KR20080105856A - Horn array type antenna for dual linear polarization - Google Patents

Abstract

A horn array type antenna for dual linear polarization is provided to increase the performance of an antenna while reducing the size of the antenna. A horn array type antenna for dual linear polarization includes a plurality of horns(10), a first rib(70) and second rib(80) of a plurality of horns, first polarization guide(30) and second polarization guide(30). The first polarization guide is formed in the lower part of four horns and, the second polarization guide is formed in the lower part of the first polarization guide. Electromagnetic wave pass through the horn, the first polarization guide and the second polarization guide.

Description

Dual linearly polarized horn array antenna {HORN ARRAY TYPE ANTENNA FOR DUAL LINEAR POLARIZATION}

1 is a cross-sectional view of a horn of a common horn antenna,

2 is a plan view of a dual linearly polarized horn array antenna according to an embodiment of the present invention;

3 is a perspective perspective view of a horn of a dual linearly polarized horn array antenna according to an embodiment of the present invention;

4 is a partial cutaway perspective view of the horn of FIG.

5 is a perspective view, partially cut away of the horn of FIG.

6a is a simplified side cross-sectional view of a horn in accordance with the present invention;

6B is a simplified side cross-sectional view of the horn having the same length as the outer opening of the same size as the horn of FIG. 6A,

6C is a simplified side cross-sectional view of the horn having the same performance as the horn of FIG. 6A,

7A is a graph showing the S11 parameter of the horn of FIG. 6A,

7B is a graph showing the S11 parameter of the horn of FIG. 6B;

Figure 7c is a graph showing the S11 parameters of the horn of Figure 6c,

8 is a perspective view of a state in which the first polarization guide and the second polarization guide of FIG. 2 are coupled;

9 is a plan view of a state in which the first polarization guide and the second polarization guide of FIG. 2 are coupled;

FIG. 10 is a rear view of the first polarization guide and the second polarization guide of FIG. 2 coupled to each other;

11 is a perspective view of the first polarization guide of FIG.

12 is a perspective perspective view of the first polarization guide of FIG. 2;

13 is a plan view of the first polarization guide of FIG.

14 is a rear view of the first polarization guide of FIG.

15 is a perspective view of the second polarization guide of FIG.

16 is a perspective perspective view of the second polarization guide of FIG. 2;

17 is a plan view of the second polarization guide of FIG.

18 is a rear view of the second polarization guide of FIG. 2,

19 is a perspective view of a T-type distribution pipe according to an embodiment of the present invention;

20 is a perspective view of a T-type distribution pipe according to another embodiment of the present invention;

21 is an exploded perspective view in which each layer of the dual linearly polarized horn array antenna according to the present invention is decomposed into antenna units;

FIG. 22 is a perspective view of the first layer of FIG. 20;

FIG. 23 is a perspective view of the second layer of FIG. 20;

24 is a perspective view of a first layer and a second layer according to another embodiment of the present invention;

FIG. 25 is a perspective view of the first and second layers of FIG. 24;

FIG. 26 is a rear view of the first layer and the second layer of FIG. 24;

27 is a plan view of the third layer of FIG. 20,

FIG. 28 is a perspective view of the third layer of FIG. 20;

29 is a plan view of the layer 4-1 of FIG. 20;

FIG. 30 is a rear view of the layer 4-1 of FIG. 20;

FIG. 31 is a perspective view of the layer 4-1 of FIG. 20;

32 is a plan view of the layer 4-2 of FIG. 20,

33 is a rear view of the layer 4-2 of FIG. 20,

34 is a perspective view of a layer 4-2 of FIG. 20;

35 is a plan view of the layer 4-3 of FIG. 20,

36 is a rear view of the layer 4-3 of FIG. 20;

FIG. 37 is a perspective view of the layer 4-3 of FIG. 20, FIG.

38 is a plan view of layers 4-4 of FIG. 20;

FIG. 39 is a rear view of the layer 4-4 of FIG. 20;

40 is a perspective view of a layer 4-4 of FIG. 20;

41 is a plan view of the fifth-first layer of FIG. 20;

FIG. 42 is a rear view of the fifth-first layer of FIG. 20;

43 is a perspective view of the fifth layer 1 of FIG. 20;

FIG. 44 is a perspective view of the fifth layer 2 of FIG. 20;

45 is a front perspective view showing an example of the use of the dual linearly polarized horn array antenna according to the present invention;

46 is a side view of the antenna of FIG. 45;

FIG. 47 is a rear view of the antenna of FIG. 45;

48A to 48C are a plan view, a perspective view, a perspective view showing an embodiment of the asymmetric distribution pipe shown in FIG. 47, respectively;

49A to 49C are a plan view, a perspective view, a perspective view showing another embodiment of the asymmetric distribution pipe shown in FIG. 47, respectively;

50A to 50C are a plan view, a perspective view, and a perspective view showing another embodiment of the asymmetric distribution pipe shown in FIG. 47, respectively.

Explanation of symbols on the main parts of the drawings

 1 antenna 10 horn

15: inclined portion 17: protruding jaw

20: polarization filtering portion 21: protruding rib

23: first step 25: second step

30: first polarization guide 35: first waveguide

40: second waveguide 45: first mixing tube

50: second polarization guide 55: third waveguide

60: fourth waveguide 65: second mixed pipe

70: first rib 75: second rib

100: first layer 150: second layer

200: third layer 250: 4-1 layer

300: layer 4-2 350: layer 4-3

400: 4-4 layer 450: 5-1 layer

500: Layer 5-2

The present invention relates to a dual linearly polarized horn array antenna, and more particularly, to a dual linearly polarized horn array antenna capable of improving the performance of the antenna and reducing the size of the antenna.

Waves above the microwave have very short wavelengths and are very similar in nature to light. In order to efficiently receive and transmit waves beyond the microwave band, an antenna having improved directivity by using the principle of optical and the principle of focusing sound waves by a megaphone has been manufactured and used. Such antennas include a horn antenna, a parabolic antenna, a radio wave lens antenna, and a slot antenna having a hole directly formed in the waveguide.

Of these, the horn antenna forms the tip of the waveguide in the shape of a trumpet, opens both sides of the waveguide, and vibrates one side of the waveguide to allow radio waves to move through the waveguide and radiate into the air. At this time, since part of the radio waves is reflected because impedance matching between the waveguide and the air is not performed, all energy is not emitted to the air. Therefore, in the design of the horn antenna, the opening of the waveguide is gradually widened to match the impedance between the air and the waveguide, so that as much energy as possible is radiated from the opening.

1 is a cross-sectional view of a horn of a general horn antenna.

As shown, the horn antenna has an outer opening 2 facing the air and an inner opening 3 on the side where the vibration starts. This horn antenna, the area of the outer opening 3 determines the performance of the antenna, the larger the area of the outer opening 3, the better the performance of the antenna. In addition, the area ratio S ₂ / S ₁ between the outer opening 2 and the inner opening 3 also affects the performance of the antenna, and the area ratio S ₂ / of the outer opening 2 and the inner opening 3. S ₁ ), that is, the area difference between the outer opening 2 and the inner opening 3 and its inclination are important factors. As a result, the length of the horn becomes longer, and as the length of the horn becomes longer, the size of the antenna as a whole becomes larger.

On the other hand, according to the development of communication technology and the trend of miniaturization of communication devices, miniaturizing the size of the antenna has been an issue of antenna design.

Accordingly, there is a need for a method capable of improving the performance of the antenna and miniaturizing the size of the antenna while maintaining at least the performance of the antenna.

Accordingly, an object of the present invention is to provide a dual linearly polarized horn array antenna capable of improving the performance of the antenna and reducing the size of the antenna.

The configuration of the present invention for achieving this object, the horn for guiding the electromagnetic wave incident or emitted; A rib coupled to an upper portion of the horn, the rib separating the opening of the horn into a plurality; A first polarization guide connected to one end of the horn and having a plurality of paths guiding a first polarization adjacent to each other; And a second polarization guide connected to one end of the horn and disposed in parallel with the first polarization guide and guiding a second polarization having an electric field direction perpendicular to the first polarization. .

The rib may include a first rib disposed in a lattice shape at predetermined intervals in a horizontal direction and a vertical direction, and a second rib having a narrower width than the first rib and formed between the first rib and the horn. It is preferable to include.

The first rib and the second rib may be integrally formed.

On the other hand, the object, the third layer is formed a horn for guiding the electromagnetic wave incident or emitted; First and second layers coupled to an upper portion of the horn to form ribs that divide the opening of the horn into a plurality; A plurality of fourth layers connected to one end of the horn and forming a first polarization guide in which a plurality of paths guiding a first polarization are arranged next to each other; And a plurality of fifth layers connected to one end of the horn and disposed in parallel with the first polarization guide and forming a second polarization guide for guiding a second polarization having an electric field direction perpendicular to the first polarization. It can also be achieved by a dual linearly polarized horn array antenna comprising a.

The first layer may form a first rib disposed in a lattice form at predetermined intervals in a horizontal direction and a vertical direction among the ribs, and the second layer may have a narrower width than the first rib and have the first rib. It is preferable to form a second rib disposed between the rib and the horn.

The first layer and the second layer may be integrally formed.

At least one symmetric distribution pipe connecting the first polarization guide or the second polarization guide at a ratio of 1 to 1; At least one asymmetric distribution pipe connecting the first polarization guide or the second polarization guide in a ratio of 1 to n; may be formed.

The asymmetric distribution pipe has a port 1 and a port 2 formed to face each other, a port 3 disposed at right angles to the port 1 and the port 2, a port 1 pipe connected to the port 1, and connected to the port 2 Port 2 pipe may be bent in a '-' shape respectively.

The port 1 pipe and the port 2 pipe may be formed so that the areas connected to the port 3 overlap each other along the height direction.

The height of the port 1 pipe and the port 2 pipe may be different from each other.

A plurality of steps are formed in the port 1 pipe and the port 2 pipe, each of which has a lower height as it is adjacent to the port 3, and the number of steps formed in the port 1 pipe and the port 2 pipe may be different.

A plurality of steps are formed in the port 1 pipe and the port 2 pipe, the heights of which are lower as they are adjacent to the port 3, respectively, and may have different heights and widths of the steps formed in the port 1 pipe and the port 2 pipe.

The port 3 pipe connected to the port 3 may have a narrow width of the area connected to the port 1 pipe and the port 2 pipe.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The dual linearly polarized horn array antenna according to the present invention performs all the roles of receiving or transmitting electromagnetic waves, but in the following embodiments, for the sake of convenience of description, the dual linearly polarized horn is based on the role of first receiving the electromagnetic waves. Each component of the array antenna will be described, and the role of transmitting electromagnetic waves will be described later.

On the other hand, according to an embodiment of the present invention, the first polarization is H polarization (Horizontal Polarization) that is parallel to the earth's equator, and the second polarization is V polarization (Vertical Polarization) perpendicular to the earth's equator.

2 is a perspective view of a dual linearly polarized horn array antenna according to an embodiment of the present invention.

The dual linearly polarized horn array antenna 1 includes a plurality of horns 10 into which electromagnetic waves are incident, a first rib 70 and a second rib 80 having a lattice coupled to an upper portion of the horn 10, A first polarization guide 30 for guiding a first polarization of electromagnetic waves incident through the horn 10 and a second polarization guide 50 for guiding a second polarization of electromagnetic waves incident through the horn 10. do.

The horn 10 is open toward the space, one first polarization guide 30 is formed at the bottom of the four horns 10, the second polarization guide 50 at the lower portion of the first polarization guide 30 ) Is formed. Here, the horn 10 and the first and second polarization guides 30 and 50 are spaces in which electromagnetic waves move, and each layer for forming the horn 10 and the first and second polarization guides 30 and 50. The shape of will be described later.

Meanwhile, in the dual linearly polarized horn array antenna, four horns 10, one first polarization guide 30, and one second polarization guide 50 form one antenna unit. The dual linearly polarized horn array antenna 1 will be described based on units.

3 is a perspective view of a horn of a dual linearly polarized horn array antenna according to an embodiment of the present invention, FIG. 4 is a partial cutaway perspective view of the horn of FIG. 3, and FIG. 5 is a partially cut perspective view of the horn of FIG. 3.

In the first and second ribs 70 and 75 mounted on the top of the horn 10, the second rib 75 is seated at the outer opening of the horn 10, and the first and second ribs 70 and 75 are formed on the upper surface of the second rib 75. One rib 70 is disposed in a shape to be seated. The first ribs 70 and the second ribs 75 are formed in a lattice shape in which ribs constituting each of them are arranged at predetermined intervals, and each of the first ribs 70 and the second ribs 75 is formed. The rib and each rib constituting the second rib 75 are disposed at the same position.

The first rib 70 has a width in the planar direction of the outer opening of the horn 10 wider than the height in the penetrating direction of the outer opening, and the width of the second rib 75 in the planar direction is the penetrating direction. It is formed narrower than the height.

The first rib 70 and the second rib 75 are crosswise disposed with respect to the outer opening of one horn 10, respectively, and the horn 10 is formed by the first rib 70 and the second rib 75. The outer opening of is divided into four. One antenna unit includes four horns 10, and since the outer opening of each horn 10 is divided into four by the first and second ribs 70 and 75, there are sixteen openings in one antenna unit. Is formed.

In this way, when the outer opening of the horn 10 is divided into a plurality, the side lobe of the antenna is reduced, and the radiation efficiency is improved.

The horn 10 guides the electromagnetic waves so that the first polarized wave and the second polarized wave having the mutually perpendicular directions are incident on the incident surface. The horn 10 is formed at an inclined portion 15 formed in a quadrangular pyramid shape and at one end of the inclined portion 15. Polarization filtering unit 20 is included.

The inclined portion 15 is formed to taper along the traveling direction of the electromagnetic waves, and both ends thereof are opened along the traveling direction of the electromagnetic waves. The openings facing the first and second ribs 70 and 75 of the open ends of the inclined portion 15 are referred to as outer openings, and the openings formed in a rectangular shape at the inner ends of the narrow portions of the inclined portion 15 are formed in the inner side openings. It is called. The inner jaw is formed with a protruding jaw 17 protruding from its edge to the center region, and the protruding jaw 17 protrudes by a predetermined width along the circumference of the inner opening.

On the other hand, the inclined portion 15 is formed with a pair of protruding guides 18a and 18b along the inner surface. The pair of protruding guides 18a and 18b are formed along the inner surface along the circumferential direction of the inclined portion 15 at predetermined intervals from each other. By forming at least one protrusion guide 18a, 18b, the performance of the horn array antenna can be maintained or improved, and thus, the height of the horn array antenna can be reduced.

As such, when the protruding jaw 17 and the protruding guides 18a and 18b are formed in the inner opening of the inclined portion 15, the length of the inclined portion 15 is maintained while maintaining the width of the inner opening and the width of the outer opening. Not only can be formed short, but the gain of the antenna 1 can be maintained.

In the inclined portion 15 of the present embodiment, two protrusion guides 18a and 18b are formed, but this is merely illustrative, and the number of the protrusion guides 18a and 18b can be changed.

On the other hand, the dual linearly polarized horn array antenna shown in Fig. 2, although the horn illustrated in Fig. 3 is employed, it is of course possible to adopt a horn of a different shape or size.

Figure 6a is a simplified side cross-sectional view of the horn according to the present invention, Figure 6b is a simplified side cross-sectional view of a conventional horn having the same length as the outer opening of the same size as the horn of Figure 6a, Figure 6c has the same performance as the horn of Figure 6a A simplified side sectional view of a conventional horn.

The horn of FIG. 6A is the same as the horn 10 shown in FIGS. 3 to 5 in that the protruding jaw 17 protruding toward the center region is formed at the inner opening of the inclined portion 15, but the inclined portion ( The protrusion guides (18a, 18b) formed in the 15 is removed briefly.

The length of the horn according to FIGS. 6A and 6B is 61.0 mm and the length of the horn shown in FIG. 6C is 71.0 mm. And the width of the outer opening of each horn of FIGS. 6A-6C is the same at 48.0 mm.

The antenna gains of these three horns are compared at the center frequency of 11.7 GHz, 12.75 GHz of the upper band, and 10.7 GH of the lower band of the KU BAND 10.7 GHz to 12.75 GHz. have.

6a 6b Fig 6c 10.7 GHz 14.8 [dBi] 14.3 [dBi] 14.8 [dBi] 11.7 GHz 15.8 [dBi] 15.1 [dBi] 15.8 [dBi] 12.7 GHz 16.1 [dBi] 15.6 [dBi] 16.1 [dBi]

As can be seen from the experimental results, it can be seen that the horn 10 according to the present invention shown in FIG. 6A and the horn shown in FIG. 6C exhibit the same performance in all frequency bands. However, the horn of FIG. 6B having the same length and the same outer opening size as the horn 10 of the present invention is 0.5 dBi in the 10.7 GHz band, 0.7 dBi in the 11.7 GHz band, and 12.7 as compared to the horn 10 of the present invention. In the GHz band, the antenna gain is as small as 0.5 dBi. In general, when the difference in antenna gain is 1dBi, the performance is improved by 33%. Therefore, the horn 10 of the present invention can be seen that the performance of about 18% is improved compared to the conventional horn of the same size. And the height can be reduced by about 10mm compared to the same horn.

FIG. 7A is a graph showing S11 parameters of the horn of FIG. 6A, FIG. 7B is a graph showing S11 parameters of the horn of FIG. 6B, and FIG. 7C is a graph showing S11 parameters of the horn of FIG. 6C.

The S11 parameter represents the degree to which the electromagnetic waves radiated from the antenna are returned to the antenna. The smaller the value is, the better it is.

As shown, since the horn 10 of the present invention has a S11 parameter of -40 dB or less at 11.6 GHz, the S11 parameter is good. This result is better than the horn of Fig. 6B in which the S11 parameter is -50 dB at 12.2 GHz, and the horn in Fig. 6C, which shows the S11 parameter of -30 dB at about 11 GHz.

As such, when the protruding jaw 17 is formed at the inner opening of the inclined portion 15, the length of the inclined portion 15 can be shortened while maintaining the width of the inner opening and the width of the outer opening. However, the gain of the antenna 1 is not reduced.

Meanwhile, the polarization filtering unit 20 is connected to the inner opening of the inclined unit 15, and four polarization filtering units 20 are formed for one antenna unit. Each polarization filtering unit 20 passes only the second polarization, which is a specific polarization of electromagnetic waves incident through the horn 10, and does not pass the first polarization.

An opening connected to the first polarization guide 30 is formed at one of the inner surfaces of the polarization filtering part 20, and the lower end of the opening protrudes toward the inner side of the polarization filtering part 20 more than the upper end of the opening. The first step 23 is formed. At the inlet of the opening, a pair of blocking films 11 formed in a plate shape vertically long on both sides are arranged at a predetermined distance from each other, and slots 13 extending vertically are formed between the blocking films 11. In addition, a separation plate 37 protruding a predetermined length toward the front of the blocking film 11 and extending toward the rear of the blocking film 11 is coupled to the central region of each blocking film 11, and each separating plate 37 is formed in each blocking film. It is formed wider than the width of 11 by a predetermined width. In addition, each blocking film 11 is formed with a 'b' shaped bending protrusion 12 protruding from the region adjacent to the inner side surface of the polarization filtering unit 20 and then upwardly bent, and each bending protrusion 12 is a blocking film. It protrudes from the area | region in which the separating plate 37 of (11) was formed.

On the other hand, a second step 25 protruding from the inner side surface is formed in the region facing the lower end of the opening on the inner side surface opposite the opening of the polarization filtering portion 20. The protruding ribs 21 elongated in the vertical direction are formed in an area corresponding to the slot 13 at the upper portion of the second step 25. The protruding ribs 21 and the bending protrusions 12 produce an effect of improving the S11 parameter of the vertical polarization.

The polarization filtering part 20 is narrowed in width by the first step 23 and the second step 25, and thus, the first polarization and the second polarization passing through the polarization filtering part 20 are separated. And the first polarization guide 30 and the second polarization guide 50, respectively. At this time, the first polarization having the same electric field direction as the wide width of the polarization filtering unit 20 is guided to the first polarization guide 30 without passing through the polarization filtering unit 20, and the narrow polarization filtering unit 20 is narrow. The second polarized wave having the same electric field direction as the width passes through the region where the first step 23 and the second step 25 of the polarization filtering unit 20 are formed and is guided to the second polarization guide 50.

In the above-described embodiment, the first step 23 and the second step 25 of the polarization filtering unit 20 are formed one by one, but the number and size of the first step 23 and the second step 25 and The length may be changed according to the frequency of the second polarization guided to the second polarization guide 50.

FIG. 8 is a perspective view of the first polarization guide and the second polarization guide of FIG. 2 coupled to each other, FIG. 9 is a plan view of the first polarization guide and the second polarization guide of FIG. 2 coupled thereto, and FIG. It is a rear view of the 1st polarization guide and the 2nd polarization guide combined.

The first polarization guide 30 and the second polarization guide 50 are respectively provided with the first polarization and the second polarization from the four polarization filtering units 20, and the four polarization filtering units 20 are the first polarization. The guide 30 and the second polarization guide 50 are located in all directions. The first polarization guide 30 has a first main opening 48 for entering or exiting a first polarization, and the second polarization guide 50 opens the second main opening 68 for entering or exiting a second polarization. Have Here, the first main opening 48 and the second main opening 68 are formed to be disposed at right angles to each other.

FIG. 11 is a perspective view of the first polarization guide of FIG. 2, FIG. 12 is a perspective view of the first polarization guide of FIG. 2, FIG. 13 is a plan view of the first polarization guide of FIG. 2, and FIG. 14 is a first polarization guide of FIG. 2. Is the rear view of.

The first polarization guide 30 guides and outputs the first polarization incident to the four horns 10, and the four polarization guides 30 are connected to four polarization filtering units 20 on all sides of the first polarization guide 30. An opening is formed.

The first polarization guide 30 includes a first waveguide 35 connecting a pair of openings, a first guide pipe 46 connected to a center region of the first waveguide 35, and a pair of other openings. The second waveguide 40, which is connected to the central region of the second waveguide 40 is connected to the banded second guide pipe 47, the first guide pipe 46 and the end of the second guide pipe 47 It includes a combined first mixing pipe (45).

In the first waveguide 35 and the second waveguide 40, a pair of separation plates 36 and 37 extending from the pair of blocking films 11, respectively, are provided in the first waveguide 35 and the second waveguide 40. It is formed long along the longitudinal direction of. Among the pair of separator plates 36 and 37 formed in the first waveguide 35, the separator plate connected to the first guide tube 46 is called the first separator plate 36, and the first separator plate 36 is provided. The separator formed to face the second plate is referred to as a second separator 37. Among the pair of separation plates 41 and 42 formed in the second waveguide 40, the separation plate connected to the second guide tube 47 is called a third separation plate 41, and the third separation plate 41 is used. The separation plate formed to face () is called a fourth separation plate 42. As the first to fourth separators 36, 37, 41, and 42 are formed in the central region along the vertical direction of the first waveguide 35 and the second waveguide 40, the first waveguide 35 is The upper and lower regions are separated by the first separator 36 and the second separator 37, and the second waveguide 40 is separated by the third separator 41 and the fourth separator 42. It is divided into upper region and lower region.

Here, the first separator plate 36 and the third separator plate 41 are formed with cutouts cut in a 'c' shape in a central region along a longitudinal direction in a central region, and the first separator plate 36. The cutout formed in the) is called the first cutout 38, and the cutout formed in the third separator 41 is called the second cutout 43.

The second separation plate 37 and the fourth separation plate 42 may include a first protrusion 39 protruding toward the first separation plate 36 and the third separation plate 41 in a central region along the longitudinal direction; The second protrusions 44 are formed, respectively, and the first protrusions 39 and the second protrusions 44 are connected upward and downward to connect the upper and lower surfaces of the first waveguide 35 and the second waveguide 40. It is formed long.

On the other hand, in the central region of the first cutout portion 38 and the second cutout portion 43, the rectangular first projection piece 34 protruding toward the first projection portion 39 and the second projection portion 44, respectively; The second protrusion piece 49 is formed. The first protrusion piece 34 is formed in the lower region of the first separator plate 36, and the second protrusion piece 49 is formed in the upper region of the third separator plate 41.

Here, according to the thickness and length of the first and second protrusions 39 and 44 and the width of the first and second cutouts 38 and 43 and the first and second protrusions 34 and 49, The frequency of the first polarization incident and exited by the polarization guide 30 may be adjusted. In addition, the phases of each first polarized wave guided from the first waveguide 35 and the second waveguide 40 by the first and second protrusions 39 and 44 and the first and second protrusions 34 and 49. Can match. That is, when the first polarization from the first guide pipe 46 and the second guide pipe 47 is mixed in the first mixing pipe 45, it is possible to prevent the first polarization from being deformed or extinct due to the phase difference. have.

On the other hand, the first guide pipe 46 is connected to the side formed with the first separation plate 36 of the first waveguide 35 is bent in the 'L' shape, at this time, the inner edge along the bending direction 90 times The outer edge is bent a plurality of times while the road is bent. The height of the first waveguide 35 is about half the height of the first guide tube 46. The first guide pipe 46 is connected to the upper region of the first waveguide 35, and the lower surface of the first waveguide 35 is formed on the same plane as the first separation plate 36.

The second guide tube 47 is formed at the same height as the first guide tube 46 and is connected to the side on which the third separation plate 41 of the second waveguide 40 is formed and bent in an 'L' shape. . Unlike the first guide tube 46, the second guide tube 47 is connected to the lower region of the second waveguide 40, and the upper surface of the second waveguide 40 is connected to the third separator plate 41. It is formed on the same plane. End portions of the first guide tube 46 and the second guide tube 47 are bent in the same direction, and end portions of the first guide tube 46 and the second guide tube 47 are disposed up and down. The sidewalls of the first guide pipe 46 and the sidewalls of the second guide pipe 47 are connected to each other at end regions of the first and second guide pipes 46 and 47.

The first mixing pipe 45 coupled to the ends of the first and second guide pipes 46 and 47 has a height that is the sum of the height of the first guide pipe 46 and the second guide pipe 47. The upper surface of the first mixing tube 45 is connected to the upper surface of the first guide tube 46, and the lower surface of the first mixing tube 45 is connected to the lower surface of the second guide tube 47. do. And as the first mixing pipe 45 is formed as a single tube, the first polarization pipes moved along the first guide pipe 46 and the second guide pipe 47 are mixed to the first main opening 48. Exit.

The first mixing pipe 45 is formed to be wider than the horizontal width and the vertical width of the first and second guide pipes 46 and 47, and the horizontal and vertical directions along the longitudinal direction of the first mixing pipe 45. At least one step is formed so that the width of the first mixing pipe 45 is expanded. Here, the step is formed of one or a plurality.

When the first polarization is incident from the polarization filtering unit 20 through the slot 13 into the first and second waveguides 35 and 40 of the first polarization guide, the first waveguide 35 may include a first separation plate ( The first polarized wave moves along the upper region and the lower region formed by the second and second separators 36). The first polarization incident from both ends of the first waveguide 35 is met and mixed in the first protrusion 39 which is the central region of the first waveguide 35, and the mixed first polarization is the first guide tube 46. Move toward the side. At this time, the first polarization that has moved the upper regions of the first separator plate 36 and the second separator plate 37 first moves toward the first guide tube 46 and the central region of the first separator plate 36. The first polarized wave mixed by the first cutout portion 38 formed in the guide portion is guided to the first guide tube 46 and can be easily moved. In the second waveguide 40, the first polarized wave that has moved along the upper and lower regions of the third separator 41 and the fourth separator 42 is met at the second protrusion 44 and mixed with each other. It is guided to the second guide tube 47 by the cutout 43 and can be easily moved.

The first polarization transmitted from the first waveguide 35 and the second waveguide 40 to the first guide tube 46 and the second guide tube 47 is mixed in the first mixing tube 45.

FIG. 15 is a perspective view of the second polarization guide of FIG. 2, FIG. 16 is a perspective perspective view of the second polarization guide of FIG. 2, FIG. 17 is a plan view of the second polarization guide of FIG. 2, and FIG. 18 is a second polarization guide of FIG. 2. Is the rear view of.

The second polarization guide 50 receives and mixes the second polarized wave separated by the polarization filtering part 20, and the third waveguide 55 mixes the second polarization from the pair of polarization filtering parts 20. And a second mixed pipe connecting the fourth waveguide 60, the third waveguide 55, and the fourth waveguide 60, and mixing the second wave from the third waveguide 55 and the fourth waveguide 60. (65).

Both end portions of the third waveguide 55 and the fourth waveguide 60 are upwardly opened to be connected to the polarization filtering unit 20, respectively, and the third waveguide 55 and the fourth waveguide 60 are respectively the first and the third waveguides. Disposed at right angles to the two waveguides 35 and 40.

At both ends of the third waveguide 55, first turning projections 56 are formed at regions penetrating through the polarization filtering unit 20. The first turning projection 56 is formed in a long rectangular parallelepiped shape along the longitudinal direction of the third waveguide 55 and protrudes upward from the bottom surface of the third waveguide 55. When the second polarized wave having the electric field direction along the narrow width of the polarization filtering unit 20 meets the first turning projection 56, the traveling direction is changed. The surface opposed to the first turning projection 56 is formed of a first inclined surface 57 inclined at a predetermined angle. The second polarized wave whose traveling direction is changed in the first turning projection 56 is reflected by the first inclined plane 57.

In the central region of the third waveguide 55, a third protrusion 58 extending by a predetermined length toward the second mixing tube 65 is formed. Each second polarized wave reflected by the first inclined plane 57 at both ends of the third waveguide 55 meets at the third protrusion 58, merges, and then proceeds toward the second mixing tube 65.

The fourth waveguide 60 is formed in the same shape as the third waveguide 55. That is, the second turning projections 61 are formed at regions of both sides of the fourth waveguide 60 to penetrate the polarization filtering unit 20. A second inclined surface 62 inclined at a predetermined angle is formed on the surface of the fourth waveguide 60 opposite to the second turning projection 61, and the fourth waveguide 60 is formed in the center region of the fourth waveguide 60. FIG. A fourth protrusion 63 extending in the horizontal direction in the longitudinal direction of 60 is formed.

The second polarization incident on the fourth waveguide 60 is changed in the traveling direction by the second turning protrusion 61, is reflected by the second inclined surface 62, and proceeds to the fourth protrusion 63. The second polarization from both ends of the fourth waveguide 60 meets at the fourth protrusion 63 and travels toward the second mixing tube 65. Here, according to the thickness and length of the third and fourth protrusions 58 and 63 and the width and height of the first and second inclined surfaces 57 and 62, the second incident and exited to the second polarization guide 50. You can adjust the frequency of the polarization.

Meanwhile, the second mixed pipe 65 is formed in parallel with the third and fourth waveguide 60 between the third waveguide 55 and the fourth waveguide 60, and has a right angle with the first mixed pipe 45. It is formed to achieve. Therefore, the second main opening 68 formed at one end of the second mixing pipe 65 is perpendicular to the first main opening 48. A fifth protrusion 66 protruding along the longitudinal direction of the third and fourth waveguides 60 is formed at an end portion of the second mixing tube 65 that faces the second main opening 68. And the second polarization from the fourth waveguide 60 is met at the fifth protrusion 66, mixed, and then travels toward the second main opening 68 and exits.

In the coupling region where the second mixing tube 65 and the third and fourth waveguides 55 and 60 are coupled, first protrusions 59 protruding inwardly from both side walls are formed to narrow the width of the coupling region. The second protrusions 67 protruding from both side walls are formed on one side along the longitudinal direction of the second mixing pipe 65.

The second mixing pipe 65 may change the frequency band of the incident and exiting signals according to the adjustment of the length and thickness of the fifth protrusion 66, and between the first and second protrusions 59 and 67. This can improve the performance of the antenna.

19 is a perspective view of a T-type distribution pipe according to an embodiment of the present invention.

The T-type distribution pipe includes a connection portion between the first waveguide 35 and the first guide tube 46 of the first polarization guide, a connection portion between the second waveguide 40 and the second guide tube 47, and a second portion. Connection portion between the third waveguide 55 and the second mixing tube 65 of the polarization guide 50, connection portion between the fourth waveguide 60 and the second mixing tube 65, and the second mixing tube 65; Applicable

The T-shaped distribution pipe has a port 1, a port 2, and a port 3, and the port 1 and the port 2 are arranged in a straight line, and the port 1 and the port 2 and the port 3 are arranged at right angles. Steps are formed in the port 1 and port 2 regions so that the width thereof becomes narrower toward the port 3 side, and a protrusion protruding inward of the passage connecting the port 1 and the port 2 is formed between the port 1 and the port 2. A step is formed in the port 3 region so that the width thereof becomes wider toward the end of the port 3. Here, one or more steps may be formed in the port 1, the port 2, and the port 3, and the length or thickness of the protrusion may be adjustable.

20 is a perspective view of a T-type distribution pipe according to another embodiment of the present invention.

T-shaped distribution pipe of the present embodiment, the connection portion between the first waveguide 35 and the first guide tube 46 of the first polarization guide, the connection portion of the second waveguide 40 and the second guide tube 47, Connecting portion of the third waveguide 55 and the second mixing tube 65 of the second polarization guide 50, Connecting portion of the fourth waveguide 60 and the second mixing tube 65, the second mixing tube (65) Can be applied to).

In this T-shaped distribution pipe, a pair of recesses 51 protrude outward from a passage connecting port 1 and port 2, and a pair of recesses 51 connects port 1 and port 2 to each other. A protrusion 53 protruding inwardly of the passage is formed. The diaphragm 52 in which both side walls adjacent to the port 1 and the port 2 protrude inward is formed in the passage toward the port 3.

The process of receiving the first polarized wave and the second polarized wave in the dual linearly polarized horn array antenna according to the above-described configuration will be described below.

First, when an electromagnetic wave is incident through the horn, the electromagnetic wave is guided along the inclined portion 15 and then provided to the polarization filtering portion 20 via the protruding jaw 17. The width of one side of the polarization filtering unit 20 is gradually narrowed by the first step 23 and the second step 25, and accordingly, the first polarization filtering unit 20 has the same electric field direction as the long width of the polarization filtering unit 20. The polarization does not pass through the polarization filtering unit 20 and is incident to the first polarization guide 30 through the slot 13 formed between the pair of blocking films 11 of the polarization filtering unit 20. In addition, the second polarization having the same electric field direction as the short width of the polarization filtering unit 20 moves downward along the polarization filtering unit 20 and is incident to the second polarization guide 50.

Accordingly, the first and second waveguides 35 and 40 of the first and second waveguides 30 are incident on the first and second waveguides 35 and 40, and the first waveguide 35 and the second waveguide ( Each of the first polarized waves traveling along the 40 meets at the first protrusion 39 formed in the central region of the first waveguide 35 and proceeds toward the first guide tube 46. It meets at the second protrusion 44 formed in the central region and proceeds toward the second guide tube 47. The first polarization moved along the first guide pipe 46 and the second guide pipe 47 is met and mixed in the first mixing pipe 45, and then discharged through the first main opening 48.

On the other hand, the second polarization guided to the second polarization guide 50 through the polarization filtering unit 20, the first and second turning projections 56 at both ends of the third and fourth waveguides 55 and 60, respectively. 61, the direction of travel is converted. Then, the second polarized wave is reflected from the first and second inclined surfaces 57 and 62 formed on the surfaces opposite to the first and second turning projections 56 and 61, respectively, so that the third or fourth waveguide 55, Go along 60). The second polarized wave traveling along the third waveguide 55 meets at the third protrusion 58, merges, proceeds toward the second mixing pipe 65, and moves along the fourth waveguide 60. Is met at the fourth protrusion 63, then merges, and then proceeds toward the second mixing tube 65. In the second mixing pipe 65, the second polarization provided from the third waveguide 55 and the fourth waveguide 60 is mixed with each other by the fifth protrusion 66 and discharged to the outside through the second main opening 68. do.

Meanwhile, the process of transmitting the first polarized wave and the second polarized wave in the dual linearly polarized horn array antenna is as follows.

The second polarization incident to the second mixing tube 65 is separated by the fifth protrusion 66 and guided to the third and fourth waveguides 55 and 60. In the third and fourth waveguides 55 and 60, the second and second polarized waves are separated once again by the third and fourth protrusions 63, respectively, and the separated polarized waves are reflected by the first and second inclined surfaces 57 and 62, respectively. And provided to the first and second turning protrusions 56 and 61, respectively. The second polarized wave is changed by the first and second turning protrusions 56 and 61 toward the polarization filtering unit 20 and is raised through the polarization filtering unit 20.

On the other hand, the first polarization incident on the first mixing pipe 45 is separated into the first guide pipe 46 and the second guide pipe 47, respectively, and transmitted to the first and second waveguides 35 and 40. . In the first and second waveguides 35 and 40, the first polarization is separated by the first and second protrusions 39 and 44 to face each opening. The first polarization emitted to each polarization filtering part 20 through each opening is combined with the second polarization from the second polarization guide 50 and radiated to the air through the inclination part 15.

Looking at the configuration of each layer for producing the dual linearly polarized horn array antenna (1) as an antenna unit as follows.

21 is an exploded perspective view in which each layer for fabricating a dual linearly polarized horn array antenna according to an embodiment of the present invention is decomposed into antenna units.

The dual linearly polarized horn array antenna may be manufactured by molding the first to fifth layers 100 to 500 illustrated in FIG. 21 and then laminating each layer. Here, the first layer 100 forms the first rib 70, the second layer 150 forms the second rib 75, and the third layer 200 forms the horn 10, and the fourth 4- The first layer 250 to the fourth-4 layer 400 form the first polarization guide 30, and the fifth-first layer 450 and the fifth-second layer 500 are the second polarization guide 50. ).

FIG. 22 is a perspective view of the first layer of FIG. 20, and FIG. 23 is a perspective view of the second layer of FIG. 20.

The first layer 100 and the second layer 150 form a first rib 70 and a second rib 75, respectively, and the first rib 70 and the second rib 75 each have one horn ( It is formed corresponding to the horn 10 so that four openings for 10) are formed.

24 is a perspective view of a first layer and a second layer according to another embodiment of the present invention, FIG. 25 is a perspective view of a first layer and a second layer of FIG. 24, and FIG. 26 is a first layer and a second layer of FIG. 24. Back view of the layer.

22 and 23, the first rib 70 and the second rib 75 are separately manufactured using the first layer 100 and the second layer 150, respectively. By forming the coupling layer 160 in which the first layer 100 and the second layer 150 of FIGS. 22 and 23 are integrally combined, the first rib 70 and the second rib 75 are integrally formed. Do it.

In this case, since only one mold is required, not only the process cost can be reduced but also the assembly time can be shortened.

FIG. 27 is a plan view of the third layer of FIG. 20, and FIG. 28 is a perspective view of the third layer of FIG. 20.

A plurality of horns 10 are formed in the third layer 200, the inclined portion 15 is formed on the planar side of the third layer 200, and an inner opening is formed on the rear side of the third layer 200. . Here, the pair of protrusion guides 18a and 18b are formed on the inclined portion 15, and the protrusion jaw 17 is formed on the inner opening thereof.

FIG. 29 is a plan view of the layer 4-1 of FIG. 20, FIG. 30 is a rear view of the layer 4-1 of FIG. 20, and FIG. 31 is a perspective view of the layer 4-1 of FIG.

The 4-1th layer 250 together with the 4-2th layer 300 and the upper region of the first and second waveguides 35 and 40 of the first polarization guide 30 and the first guide tube 46 To form.

The polarization filtering part 20 connected to the inner opening formed in the third layer 200 is formed through the fourth-first layer 250, and the polarization filtering part 20 is formed at each corner of the third layer 200. It is placed in an adjacent area. The bent protrusion 12 and the blocking film 11 are formed inside the polarization filtering unit 20.

The first guide tube 46 connected to the upper region of the first and second waveguides 35 and 40 of the first polarization guide 30 and the first waveguide 35 on the rear surface of the fourth-first layer 250. The upper region, the upper region of the first mixing pipe 45, the polarization filtering unit 20 is formed. The first protrusion 39 of the first waveguide 35, the second protrusion 44 of the second waveguide 40, and the second protrusion 49 are also formed.

32 is a plan view of the layer 4-2 of FIG. 20, FIG. 33 is a rear view of the layer 4-2 of FIG. 20, and FIG. 34 is a perspective view of the layer 4-2 of FIG.

The lower surface of the first to fourth separation plates 36, 37, 41, and 42 and the first guide tube 46 of the first and second waveguides 35 and 40 are disposed on the plane of the second and second layers 300. , The first mixing pipe 45 and the polarization filtering unit 20 are formed, and the first to fourth separation plates 36, 37, 41, and 42 and the polarization filtering unit are formed on the rear surface of the fourth-second layer 300. 20 is formed.

FIG. 35 is a plan view of the fourth-3 layer in FIG. 20, FIG. 36 is a rear view of the fourth-3 layer in FIG. 20, and FIG. 37 is a perspective view of the fourth-3 layer in FIG.

The fourth-3 layer 350, together with the fourth-4 layer 400, lower regions of the first and second waveguides 35 and 40 of the first polarization guide 30, and the second guide tube 47 ).

First to fourth separation plates 36, 37, 41, and 42, a polarization filtering unit 20, and a first mixing pipe 45 are formed on the plane of the fourth to third layers 350, and the fourth to fourth layers 350. The first and second waveguides 35 and 40, the upper surface of the second guide tube 47, the first mixing tube 45, and the polarization filtering unit 20 are formed on the back of the three-layer 350.

FIG. 38 is a plan view of layers 4-4 of FIG. 20, FIG. 39 is a rear view of layers 4-4 of FIG. 20, and FIG. 40 is a perspective view of layers 4-4 of FIG.

The first and second waveguides 35 and 40, the lower surface of the second guide tube 47, the first mixing tube 45, and the polarization filtering unit 20 are formed on the plane of the fourth and fourth layers 400. do. Here, the polarization filtering unit 20 is formed with first and second steps 25. Only the polarization filtering unit 20 is formed on the back of the fourth and fourth layers 400.

FIG. 41 is a plan view of the fifth-first layer of FIG. 20, FIG. 42 is a rear view of the fifth-first layer of FIG. 20, and FIG. 43 is a perspective view of the fifth-first layer of FIG.

The fifth-first layer 450 together with the fifth-second layer 500 forms the second polarization guide 50. The polarization filtering unit 20 is formed on the plane of the fifth-first layer 450, and the upper region and the second mixture of the third and fourth waveguides 55 and 60 are disposed on the rear surface of the fifth-first layer 450. The upper region of the tube 65 is formed.

FIG. 44 is a perspective view of the fifth layer 2 of FIG. 20.

In the plane of the fifth lower layer 500, lower regions of the third and fourth waveguides 55 and 60 and lower regions of the second mixing tube 65 are formed.

45 is a front perspective view showing an example of the use of the dual linearly polarized horn array antenna according to the present invention, FIG. 46 is a side view of the antenna of FIG. 45, and FIG. 47 is a rear view of the antenna of FIG. 45.

In the dual linearly polarized horn array antenna according to the present use example, 10 x 5 horns 10 are arranged. That is, the dual linearly polarized horn array antenna includes 50 horns 10, 15 first polarization guides 30, and 15 second polarization guides 50. Here, five of the first polarization guide 30 and five of the second polarization guide 50 are connected to two horns 10, not four horns 10, and the number or arrangement of antenna units Of course, it can be changed according to the design.

The fifteen first polarization guides 30 and the fifteen second polarization guides 50 according to the present use example are connected to each other by a symmetrical distribution tube or an asymmetrical distribution tube each having a T-shape, and formed on one side thereof. The first polarization and the second polarization are discharged to the polarization discharge port (not shown) and the second polarization discharge port 440.

Here, the plurality of first polarization guide 30 and the plurality of second polarization guide 50 are interconnected in almost the same structure in order to configure the antenna of the present use example, in the present use example, the second polarization guide 50 Only the connection structure of will be described as an example.

As illustrated in FIG. 47, the dual linearly polarized horn array antenna 1000 according to the present example uses the second polarization guide-1 501 to the second polarization guide-5 505 and the second polarization guide-6. The 506 to the 2nd polarization guide-10 (510), the 2nd polarization guide-11 (511) and the 2nd polarization guide-15 (515) are respectively arranged in sequence, and form a line, and each line mutually Arranged in parallel. Here, since the second polarization guide-11 (511) to the second polarization guide-15 (515) are connected to the two horns 10, respectively, the second polarization guide-1 (501) to the second polarization guide-10 ( Compared to 510).

The second polarization guide-6 (506) and the second polarization guide-11 (511), each of the second mixing pipe 65 is connected by a fifth asymmetric distribution pipe 565, the fifth asymmetric distribution pipe 565 ) And the second mixing pipe 65 of the second polarization guide-1 (501) are connected by a first asymmetric distribution pipe (561).

The second polarization guide-7 (507) and the second polarization guide-12 (512) are connected to each of the second mixing pipes 65 by the sixth asymmetric distribution pipe 566, the second polarization guide-8 ( 508 and the second polarization guide-13 (513), each of the second mixing pipe 65 is connected by a seventh asymmetric distribution pipe (567). The sixth asymmetric distribution pipe 566 and the seventh asymmetric distribution pipe 567 are connected by a third symmetric distribution pipe 553.

The second polarization guide-2 (502) and the second polarization guide-3 (503) are connected to each of the second mixing pipe (65) by the first symmetric distribution pipe (551), the first symmetric distribution pipe (551) ) And an end of the third symmetric distribution pipe 553 are extended and connected by the third asymmetric distribution pipe 563.

The third asymmetric distribution pipe 563 and the first asymmetric distribution pipe 561 are connected by a second asymmetric distribution pipe 562, the end of the second asymmetric distribution pipe 562 of the second polarization guide 50 It extends toward the second polarization discharge port 440.

The second polarization guide-9 (509) and the second polarization guide-14 (514) are each connected to the second mixing tube (65) by the eighth asymmetric distribution pipe (568), the second polarization guide-10 ( In the 510 and the second polarization guide-15 515, each second mixing tube 65 is connected by a ninth asymmetric distribution tube 569. The eighth asymmetric distribution pipe 568 and the ninth asymmetric distribution pipe 569 are connected by a fourth symmetric distribution pipe 554.

The second polarization guide-4 (504) and the second polarization guide-5 (505), each of the second mixing pipe 65 is connected by a second symmetric distribution pipe 552, the second symmetric distribution pipe (552) ) And the end of the fourth symmetric distribution pipe 554 is extended and connected by the fourth asymmetric distribution pipe 564.

The fourth asymmetric distribution pipe 563 extends between the second polarization guide-4 (504) and the second polarization guide-9 (509), and the second polarization guide-8 (508) and the second polarization guide-9 (509). And then bent to the seventh asymmetric distribution pipe 567 again.

The fourth asymmetric distribution pipe 563 and the second asymmetric distribution pipe 562 are connected to each other, and an end thereof communicates with the second polarization discharge port 440 for entering or exiting the second polarization.

The first to fourth symmetric distribution pipes 551 to 554 interconnecting the second polarization guide 50 in the dual linearly polarized horn array have the same ratio of the second polarization input to the port 1 and the port 2, The first to eighth asymmetric distribution pipes 561 to 569 have different ratios of the second polarization input to the port 1 and the port 2. For example, in the case of the first asymmetric distribution pipe 561, the second polarization guide from the second polarization guide-6 (506) and the second polarization guide-11 (511) is input to the port 1, while the port 2 is the The second polarized wave from the polarization guide-1-1 (501) is input. That is, the ratio of the second polarization input to the port 1 and the port 2 is 3: 2. Accordingly, each asymmetric distribution tube uses the asymmetric distribution tube shown in FIGS. 48 to 50 to adjust the output of the second polarized wave input at a different ratio.

48A to 48C are a plan view, a perspective view, and a perspective view showing one embodiment of the asymmetric distribution pipe shown in FIG. 47, respectively.

48A to 48C, the asymmetric distribution pipe, the port 1 pipe 560a connected to the port 1 and the port 2 pipe 560b connected to the port 2 are formed in a '-' shape. In the bending direction, the inner edge is bent at 90 degrees, while the outer edge is bent a plurality of times. The port 1 tube 560a and the port 2 tube 560b are arranged to be symmetrical with each other, and the end portions of the port 1 tube 560a and the port 2 tube 560b facing the port 3 are arranged to overlap in the vertical direction. The port 3 pipe 560c connected to the port 3 is formed at the height of the sum of the heights of the port 1 pipe 560a and the port 2 pipe 560b, and the second pipes from the port 1 pipe 560a and the port 2 pipe 560b. You will mix polarization. In the area connected to the Port 1 tube 560a and the Port 2 tube 560b of the Port 3 tube 560c, the partition wall between the Port 1 tube 560a and the Port 2 tube 560b extends by a predetermined length. The port 3 pipe 560c is separated by the predetermined length into the upper part and the lower part.

On the other hand, the height of the port 1 tube 560a and the port 2 tube 560b are formed different from each other, which is to adjust the output of the second polarization input at different rates through the port 1 and the port 2.

49A to 49C are a plan view, a perspective view, and a perspective view showing another embodiment of the asymmetric distribution pipe shown in FIG. 47, respectively.

49A to 49C, the asymmetric distribution pipe, the port 1 pipe (560a ') connected to the port 1, and the port 2 pipe (560b') connected to the port 2 has a '-' shape And a port 3 tube 560c 'formed at an end thereof, and has a shape almost similar to that of the asymmetric distribution tube shown in FIGS. 48A to 48C.

However, in the asymmetric distribution pipe, a plurality of steps are formed in the port 1 pipe 560a 'and the port 2 pipe 560b', respectively, and are formed in the port 1 pipe 560a 'and the port 2 pipe 560b'. The number of steps is different. This is to adjust the output of the second polarization input at different rates through the port 1 and the port 2.

In addition, the step of the port 1 tube 560a 'is formed on the lower surface of the port 1 tube 560a', while the step of the port 2 tube 560b 'is formed on the upper surface of the port 2 tube 560b'. Each step is formed such that its height gradually decreases toward the connection area between the port 1 tube 560a 'and the port 2 tube 560b'.

50A to 50C are a plan view, a perspective view, and a perspective view showing another embodiment of the asymmetric distribution pipe shown in FIG. 47, respectively.

As shown in Figs. 50A to 50C, the asymmetric distribution tube has a shape almost similar to that of the asymmetric distribution tube shown in Figs. 49A to 49C.

However, this asymmetric distribution pipe is different in that the port 2 pipe (560b '') is formed with a step having a very small difference in width or height from the other step, and the step is formed in the port 1 pipe (560a ''). Can be. In addition, a region of the port 3 pipe 560c '' protrudes to the inside of the port 3 pipe 560c '' by a predetermined width in a region connected to the port 1 pipe 560a '' and the port 2 pipe 560b ''. Thus, the width of the port 3 pipe 560c ″ in the region is reduced.

Here, of course, the number or shape of the steps can be adjusted according to the ratio of the second polarization input through the port 1 and the port 2.

The shape of the above-described symmetric distribution pipe or asymmetric distribution pipe can be used equally in the first polarization guide.

The dual linearly polarized horn array antenna 1 may reduce the height of the horn 10 while maintaining the efficiency of the antenna 1 by forming the protruding jaw 17 in the horn 10. In addition, by forming the second polarization guide 50 wider than the height, not only can the height of the second polarization guide 50 be reduced, but also the size of the dual linearly polarized wave array antenna 1 is reduced in size. can do. In addition, although the size is reduced, it is possible to improve the antenna performance of the horn array antenna.

Although the first polarization and the second polarization have been described based on the electric field, they may be applied to the magnetic field. In addition, as a configuration for manufacturing the horn 10, the first polarization guide 30, the second polarization guide 50 according to an embodiment of the present application, the above-described embodiment is illustrative only. If necessary, at least two or more of the first and second ribs 70 and 75, the horn 10, the first polarization guide 30, and the second polarization guide 50 may be manufactured at the same time by injection molding. Of course. In manufacturing the horn 10, the first polarization guide 30, the second polarization guide 50 according to an embodiment of the present application, it is not limited to the number of layers shown in Figs.

As described above, according to the present invention, the performance of the antenna can be improved and the size of the antenna can be reduced.

Further, in the detailed description of the present invention, specific embodiments have been described, which should be taken as exemplary, and various modifications may be made without departing from the technical spirit of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the claims below, but also by the equivalents of the claims.

Claims (13)

A horn for guiding electromagnetic waves incident or exiting; A rib coupled to an upper portion of the horn, the rib separating the opening of the horn into a plurality; A first polarization guide connected to one end of the horn and having a plurality of paths guiding a first polarization arranged next to each other; And, A second linear polarization guide connected to one end of the horn and disposed in parallel with the first polarization guide and guiding a second polarization having an electric field direction perpendicular to the first polarization; Horn array antenna. The method of claim 1, The rib, First ribs arranged in a lattice form at predetermined intervals along the horizontal and vertical directions; The dual linearly polarized horn array antenna having a narrower width than the first rib and including a second rib formed between the first rib and the horn. The method of claim 2, Dual linearly polarized horn array antenna, characterized in that the first rib and the second rib is formed integrally. A third layer having a horn for guiding electromagnetic waves incident or exiting; First and second layers coupled to an upper portion of the horn to form ribs that divide the opening of the horn into a plurality; A plurality of fourth layers connected to one end of the horn and forming a first polarization guide in which a plurality of paths guiding a first polarization are arranged next to each other; And, A plurality of fifth layers connected to one end of the horn and disposed in parallel with the first polarization guide and forming a second polarization guide for guiding a second polarization having an electric field direction perpendicular to the first polarization; Dual linearly polarized horn array antenna, characterized in that. The method of claim 4, wherein The first layer may form a first rib disposed in a lattice form at predetermined intervals in a horizontal direction and a vertical direction among the ribs, And the second layer has a narrower width than the first rib and forms a second rib disposed between the first rib and the horn. The method of claim 5, wherein And the first layer and the second layer are integrally formed. The method of claim 4, wherein At least one symmetric distribution pipe connecting the first polarization guide or the second polarization guide at a ratio of 1 to 1; Dual linearly polarized horn array antenna, characterized in that formed; at least one asymmetric distribution pipe connecting the first polarization guide or the second polarization guide at a ratio of 1 to n. The method of claim 7, wherein The asymmetric distribution pipes have ports 1 and 2 formed to face each other, and ports 3 disposed at right angles to the ports 1 and 2, A port 1 tube connected to the port 1, and a port 2 tube connected to the port 2 are each bent in a 'b' shape of a dual linearly polarized horn array antenna. The method of claim 8, The port 1 pipe and the port 2 pipe is a dual linearly polarized horn array antenna, characterized in that the area connected to the port 3 overlap each other along the height direction. The method of claim 9, The dual linearly polarized horn array antenna, characterized in that the height of the port 1 pipe and the port 2 pipe are different from each other. The method of claim 9, A plurality of steps are formed in the port 1 pipe and the port 2 pipe, the height of which is lower as it is adjacent to the port 3, respectively, and the number of steps formed in the port 1 pipe and the port 2 pipe is different. Linearly Polarized Hornarray Antenna. The method of claim 9, A plurality of steps are formed in the port 1 pipe and the port 2 pipe, the height of which is lower as the port 3 is adjacent to each other, and the heights and widths of the steps formed in the port 1 pipe and the port 2 pipe are different from each other. Dual linearly polarized horn array antenna. The method of claim 8, Port 3 pipe is connected to the port 3, the dual linearly polarized horn array antenna, characterized in that the width of the area connected to the port 1 pipe and the port 2 pipe is narrow.

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