Nothing Special   »   [go: up one dir, main page]

CN111537964A - Multi-channel digital sub-vibration automatic test method - Google Patents

Multi-channel digital sub-vibration automatic test method Download PDF

Info

Publication number
CN111537964A
CN111537964A CN202010302369.3A CN202010302369A CN111537964A CN 111537964 A CN111537964 A CN 111537964A CN 202010302369 A CN202010302369 A CN 202010302369A CN 111537964 A CN111537964 A CN 111537964A
Authority
CN
China
Prior art keywords
channel
control unit
central control
working
state
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010302369.3A
Other languages
Chinese (zh)
Inventor
任亚欣
雷国忠
任鹏宇
侯涛
祝起凡
王栋
李玉宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Electronic Engineering Research Institute
Original Assignee
Xian Electronic Engineering Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xian Electronic Engineering Research Institute filed Critical Xian Electronic Engineering Research Institute
Priority to CN202010302369.3A priority Critical patent/CN111537964A/en
Publication of CN111537964A publication Critical patent/CN111537964A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40Means for monitoring or calibrating
    • G01S7/4004Means for monitoring or calibrating of parts of a radar system
    • G01S7/4008Means for monitoring or calibrating of parts of a radar system of transmitters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40Means for monitoring or calibrating
    • G01S7/4004Means for monitoring or calibrating of parts of a radar system
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40Means for monitoring or calibrating
    • G01S7/4004Means for monitoring or calibrating of parts of a radar system
    • G01S7/4021Means for monitoring or calibrating of parts of a radar system of receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

The invention relates to a multi-channel digital sub-vibration automatic test method, which is characterized in that a central control unit sets the working state of a channel gating network, and the channel gating network connects a port to be tested of a tested piece with a port of a test instrument to realize measurement; after the tested piece port index test is finished, the instrument feeds back a test finishing signal to the central control unit, and then the central control unit sends a channel switching instruction to the channel gating network to measure the next channel index. The artificial participation links are reduced to the maximum extent, the working efficiency is improved, and the aim of engineering realization is easy to realize. Experiments prove that the effect is ideal. The problem of the automatic test of multichannel digit son shake is solved, the efficiency of test has been improved. Experiments prove that the effect is ideal.

Description

Multi-channel digital sub-vibration automatic test method
Technical Field
The technology belongs to the field of digital array radar receiving/transmitting sub-vibration testing, and is applied to a multi-channel digital receiving/transmitting sub-vibration automatic testing system.
Background
In radar systems, especially digital array radars and multi-beam detection systems, multi-beam combining and signal transmission are usually implemented by using a plurality of sub-arrays, and the number of sub-arrays can be up to tens or hundreds. The number of channels of each subarray is more than dozens and dozens. In the process of developing and testing the subarrays, at least dozens of testing indexes of each channel exist, and the workload in the process of testing is very large. Testing using a stand-alone test system typically has the following problems:
1) huge manpower and resource occupation are consumed;
2) the testing efficiency is low and the reliability is not high;
3) inaccurate measurement caused by human factors, and the like;
in order to solve the problems, the invention adopts the mechanical switch to gate the channel of the tested piece, and utilizes the mechanical switch to gate the connection between different measurement indexes and the test instrument, thereby reducing the manual participation link to the maximum extent, improving the working efficiency and being easy for the engineering realization. Experiments prove that the effect is ideal. The problem of the automatic test of multichannel digit son shake is solved, the efficiency of test has been improved.
Disclosure of Invention
Technical problem to be solved
In order to avoid the defects of the prior art, the invention provides a method capable of automatically switching channels, which solves the problem of automatic measurement of multi-channel digital transmitting-receiving sub-vibration, simplifies the work of manually connecting the port of a tested piece, improves the measurement efficiency of multi-channel digital sub-vibration, and solves the problem of low measurement efficiency of multi-channel digital sub-vibration.
Technical scheme
A multi-channel digital sub-vibration automatic test method is characterized by comprising a central control unit, a measuring instrument, a channel gating network, an interface conversion plate and a multi-channel digital transmitting and receiving sub-array; the method comprises the following steps:
step 1: the central control unit sends out a control instruction, and the instruction sets the working state of a tested element, namely a multi-channel digital transceiving subarray, through an interface conversion plate, wherein the working state comprises a receiving state or a transmitting state; meanwhile, the tested piece feeds back whether a feedback instruction for finishing the setting of the working state is set or not to the central control unit;
step 2: after the preparation of the working state of the tested piece is finished, setting a working channel of the tested piece;
and step 3: setting a corresponding channel gating state of a channel gating network after the preparation of the working channel state of the tested workpiece is received;
and 4, step 4: the measuring function of the measuring instrument is set through the central control unit, index measurement is carried out, and a measuring result is fed back; after the central control unit obtains the measurement result, whether all indexes of the current channel of the measured piece are measured is judged; after the index measurement of the current channel is finished, the working state is set through the central control unit, the working channel is changed, and the index measurement of the next channel is carried out;
and 5: after circularly setting and measuring all working channels, judging whether all channel indexes of the measured piece are measured completely; and after the measurement is finished, recording the measurement result, and finishing the automatic measurement.
The channel gating network is realized by adopting a mechanical switch.
Advantageous effects
By adopting the technical scheme, the invention forms the automatic test method of the multi-channel digital sub-oscillator, and compared with the prior art, the method has the following advantages:
1) the testing efficiency is obviously improved;
2) the process of human participation is reduced;
3) and realizing test automation control.
Drawings
FIG. 1 block diagram of an implementation of the present invention
FIG. 2 is a block diagram of the process flow of the present invention
Detailed Description
The invention will now be further described with reference to the following examples and drawings:
1. fig. 1 is a block diagram of an automatic testing method for multi-channel digital oscillation. The main function module comprises a central control unit, a measuring instrument, a channel gating network and an auxiliary function module.
A central control unit: the main functions are communication and control, information interaction is carried out between the main function and a tested piece and the external part, and the working state of the channel gating network is set; the control channel gates the cooperative working state of the network, the measuring instrument, the auxiliary function module and the receiving and transmitting sub-vibration, and transmits the measuring information and the control state information among the function modules, thereby realizing the purpose of automatically testing the multi-channel digital sub-vibration;
a measuring instrument: the device consists of a special measuring instrument and is mainly used for quantifying and reading various indexes of a measured piece;
a channel gating network: the function of automatically switching the channel to be tested of the tested piece is realized under the control of the central control unit; connecting a port to be tested of a tested piece with a port of a test instrument to realize measurement;
an auxiliary function module: auxiliary functions such as interface conversion, power supply and the like are provided for the multi-channel digital sub-oscillator automatic test, and the reliable realization of the test method is guaranteed;
a transmitting and receiving subarray: the device refers to a measured piece of an automatic measuring system, namely a multi-channel digital transceiver oscillator.
2. Fig. 2 shows a system processing flow. The central control unit sends out a control instruction, the instruction sets the working state (receiving state or transmitting state) of a tested piece (multi-pass digital transceiver vibration, hereinafter referred to as a tested piece) through the interface conversion plate, and meanwhile, the tested piece feeds back whether a feedback instruction for finishing the working state setting is set to the central control unit; and after the preparation of the working state of the tested piece is finished, continuously setting the working channel of the tested piece. And setting the corresponding channel gating state of the channel gating network after the working channel state preparation of the tested piece is received.
And then, the working state is set, and then the measuring function of the instrument is set through the central control unit, so that index measurement is carried out, and a measuring result is fed back. After the central control unit obtains the measurement result, whether all indexes of the current channel of the measured piece are measured is judged; after the index measurement of the current channel is finished, the working state is set through the central control unit, the working channel is changed, and the index measurement of the next channel is started.
After circularly setting and measuring all working channels, judging whether all channel indexes of the measured piece are measured completely; and after the measurement is finished, recording the measurement result, and finishing the automatic measurement.
The invention utilizes the idea of nested loop detection to measure complicated multi-channel indexes, simplifies the universal design, realizes channel gating by utilizing a feedback function and an electronic switch, realizes the automatic measurement of multi-channel digital sub-vibration, and greatly improves the measurement efficiency of the multi-channel sub-vibration.

Claims (2)

1. A multi-channel digital sub-vibration automatic test method is characterized by comprising a central control unit, a measuring instrument, a channel gating network, an interface conversion plate and a multi-channel digital transmitting and receiving sub-array; the method comprises the following steps:
step 1: the central control unit sends out a control instruction, and the instruction sets the working state of a tested element, namely a multi-channel digital transceiving subarray, through an interface conversion plate, wherein the working state comprises a receiving state or a transmitting state; meanwhile, the tested piece feeds back whether a feedback instruction for finishing the setting of the working state is set or not to the central control unit;
step 2: after the preparation of the working state of the tested piece is finished, setting a working channel of the tested piece;
and step 3: setting a corresponding channel gating state of a channel gating network after the preparation of the working channel state of the tested workpiece is received;
and 4, step 4: the measuring function of the measuring instrument is set through the central control unit, index measurement is carried out, and a measuring result is fed back; after the central control unit obtains the measurement result, whether all indexes of the current channel of the measured piece are measured is judged; after the index measurement of the current channel is finished, the working state is set through the central control unit, the working channel is changed, and the index measurement of the next channel is carried out;
and 5: after circularly setting and measuring all working channels, judging whether all channel indexes of the measured piece are measured completely; and after the measurement is finished, recording the measurement result, and finishing the automatic measurement.
2. The method according to claim 1, wherein the channel gating network is implemented by using a mechanical switch.
CN202010302369.3A 2020-04-16 2020-04-16 Multi-channel digital sub-vibration automatic test method Pending CN111537964A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010302369.3A CN111537964A (en) 2020-04-16 2020-04-16 Multi-channel digital sub-vibration automatic test method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010302369.3A CN111537964A (en) 2020-04-16 2020-04-16 Multi-channel digital sub-vibration automatic test method

Publications (1)

Publication Number Publication Date
CN111537964A true CN111537964A (en) 2020-08-14

Family

ID=71979959

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010302369.3A Pending CN111537964A (en) 2020-04-16 2020-04-16 Multi-channel digital sub-vibration automatic test method

Country Status (1)

Country Link
CN (1) CN111537964A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113406550A (en) * 2021-07-29 2021-09-17 深圳国人无线通信有限公司 Current detection calibration method and system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202770933U (en) * 2012-09-26 2013-03-06 北京广利核系统工程有限公司 High-precision multichannel analog quantity automatic test system
WO2017000560A1 (en) * 2015-06-30 2017-01-05 中兴通讯股份有限公司 Radio remote unit and test method therefor
CN107796991A (en) * 2017-10-24 2018-03-13 中国电子科技集团公司第三十八研究所 The active standing wave automatic testing equipment of phased array antenna and method
CN108931765A (en) * 2018-04-20 2018-12-04 西安电子工程研究所 High-power vertical tile type multi-channel digital receives and dispatches submatrix design method
CN110082597A (en) * 2019-04-11 2019-08-02 安徽信息工程学院 A kind of single channel multichannel resistance test control system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202770933U (en) * 2012-09-26 2013-03-06 北京广利核系统工程有限公司 High-precision multichannel analog quantity automatic test system
WO2017000560A1 (en) * 2015-06-30 2017-01-05 中兴通讯股份有限公司 Radio remote unit and test method therefor
CN107796991A (en) * 2017-10-24 2018-03-13 中国电子科技集团公司第三十八研究所 The active standing wave automatic testing equipment of phased array antenna and method
CN108931765A (en) * 2018-04-20 2018-12-04 西安电子工程研究所 High-power vertical tile type multi-channel digital receives and dispatches submatrix design method
CN110082597A (en) * 2019-04-11 2019-08-02 安徽信息工程学院 A kind of single channel multichannel resistance test control system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
丁志钊 等: "子阵级数字阵列模块综合测试系统设计与实现", 《国外电子测量技术》 *
吕杨 等: "多通道T/R组件自动测量系统设计及软件优化", 《火控雷达技术》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113406550A (en) * 2021-07-29 2021-09-17 深圳国人无线通信有限公司 Current detection calibration method and system

Similar Documents

Publication Publication Date Title
CN105548978B (en) A kind of phased array antenna active refelction coefficient test system and method
CN105259544B (en) Connectors for Active Phased Array Radar T/R component width phase test systems
CN111323656B (en) High-efficiency amplitude-phase test system and test method for multi-channel passive antenna array
WO2018023929A1 (en) Integrated antenna test system
CN103399305B (en) Amplitude and phase calibration method for radio frequency channels of digital array secondary radar and antenna arrays
CN113991321B (en) Phased array antenna coupling calibration network and phased array antenna system
CN116106642A (en) Trigger type phased array antenna multi-beam channel calibration system
CN108964760A (en) A kind of test device and test method of multi-path digital optical mode bLock error rate
CN103424634B (en) WIFI Antenna testing system and method
CN111537964A (en) Multi-channel digital sub-vibration automatic test method
CN114488044B (en) Phased array SAR antenna channel amplitude-phase multidimensional monitoring method and system
CN109890046B (en) Method and system for testing power loss of clamp of wireless communication equipment
CN116559755A (en) Array antenna active standing wave test calibration system and method
CN106559276B (en) Throughput testing method and device for multiple terminals
CN109309534A (en) Multi-channel radio frequency transmitting-receiving subassembly automatization test system and method
CN114063026A (en) Static detection device and method for phased array radar system
CN1731714B (en) Method for testing gain and isolation of uplink channel of radio frequency module
CN115941074B (en) Method for calibrating waveguide array phased array antenna in active channel
CN115733563B (en) Online phase calibration method for large-scale expandable phased array antenna
CN106405270B (en) Support the transceiving switch-over control signal production method and device of more T/R module testings
CN113691329B (en) Antenna test system and method based on multichannel receiver
CN108923872A (en) A kind of repeater passband fluctuation calibration method and system
CN114326433A (en) Single-channel digital group target realization method and system
CN212572574U (en) Signal calibration system
CN112730998B (en) Large-scale array antenna OTA test method and system based on near field

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20200814