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

Alvarez-Narciandi et al., 2023 - Google Patents

C-band two-dimensional dynamic metasurface antenna for through-the-wall computational imaging

Alvarez-Narciandi et al., 2023

View PDF
Document ID
12478919542030103537
Author
Alvarez-Narciandi G
Garcia-Fernandez M
Yurduseven O
Publication year
Publication venue
2023 17th European Conference on Antennas and Propagation (EuCAP)

External Links

Snippet

This contribution presents the design of a two-dimensional (2D) dynamic metasurface antenna (DMA) for a through-the-wall computational imaging system. The use of C-band is intended to achieve enough penetration capabilities to image different types of wall. The 2D …
Continue reading at pure.qub.ac.uk (PDF) (other versions)

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q21/00Aerial arrays or systems
    • H01Q21/06Arrays of individually energised active aerial units similarly polarised and spaced apart
    • H01Q21/061Two dimensional planar arrays
    • H01Q21/065Patch antenna array
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q21/00Aerial arrays or systems
    • H01Q21/06Arrays of individually energised active aerial units similarly polarised and spaced apart
    • H01Q21/20Arrays of individually energised active aerial units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system
    • H01Q3/26Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • 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
    • G01S7/03Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • 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
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88Radar or analogous systems specially adapted for specific applications
    • G01S13/89Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • 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
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88Radar or analogous systems specially adapted for specific applications
    • G01S13/887Radar or analogous systems specially adapted for specific applications for detection of concealed objects, e.g. contraband or weapons
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q13/00Waveguide horns or mouths; Slot aerials; Leaky-waveguide aerials; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10Resonant slot aerials
    • H01Q13/18Resonant slot aerials the slot being backed by, or formed in boundary wall of, a resonant cavity ; Open cavity antennas
    • 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
    • G01S7/024Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q21/00Aerial arrays or systems
    • H01Q21/24Combinations of aerial elements or aerial units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q25/00Aerials or aerial systems providing at least two radiating patterns
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q1/00Details of, or arrangements associated with, aerials
    • H01Q1/52Means for reducing coupling between aerials; Means for reducing coupling between an aerial and another structure
    • H01Q1/521Means for reducing coupling between aerials; Means for reducing coupling between an aerial and another structure reducing the coupling between adjacent antennas
    • H01Q1/523Means for reducing coupling between aerials; Means for reducing coupling between an aerial and another structure reducing the coupling between adjacent antennas between antennas of an array
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q21/00Aerial arrays or systems
    • H01Q21/0006Particular feeding systems
    • H01Q21/0037Particular feeding systems linear waveguide fed arrays
    • H01Q21/0043Slotted waveguides
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q9/00Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant aerials
    • H01Q9/0407Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q19/00Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic

Similar Documents

Publication Publication Date Title
Sleasman et al. Experimental synthetic aperture radar with dynamic metasurfaces
Hoang et al. Computational polarimetric imaging using two-dimensional dynamic metasurface apertures
CN106872975B (en) A kind of millimeter wave active near-field imaging device
Hoang et al. Spatial diversity improvement in frequency-diverse computational imaging with a multi-port antenna
Alvarez et al. Submillimeter-wave frequency scanning system for imaging applications
Vázquez et al. Near field characterization of an imaging system based on a frequency scanning antenna array
Alvarez-Narciandi et al. C-band two-dimensional dynamic metasurface antenna for through-the-wall computational imaging
Buchanan Theory and applications of aperiodic (random) phased arrays
Guo et al. Millimeter-wave 3-D imaging testbed with MIMO array
Zvolensky et al. W-band sparse imaging system using frequency diverse cavity-fed metasurface antennas
Hoang et al. Frequency selective computational through wall imaging using a dynamically reconfigurable metasurface aperture
Alvarez-Lopez et al. Frequency scanning based radar system
Yurduseven et al. Relaxation of alignment errors and phase calibration in computational frequency-diverse imaging using phase retrieval
Cheng et al. Near-field millimeter-wave phased array imaging with compressive sensing
Garcia-Fernandez et al. Frequency-diverse metasurface antenna for computational through-wall imaging
Tian et al. Short-range millimeter-wave imaging in the presence of array element position deviation
Dahl et al. Comparison of virtual arrays for MIMO radar applications based on hexagonal configurations
US12038525B2 (en) Electromagnetic wave medical imaging system, device and methods
CN109884622B (en) Three-dimensional imaging method for cylindrical array antenna
Zhang et al. A microwave imager implemented with a space-fed randomized aperture
Perera et al. A fully reconfigurable polarimetric phased array antenna testbed
Boyarsky Metasurface Antennas for Synthetic Aperture Radar
Yektakhah High Resolution through-the-Wall and Subsurface Imaging Using Small Number of Transceivers on Moving Robotic Platforms
García-Fernández et al. Single Channel Frequency Diverse Computational Imaging System for Through-the-Wall Sensing
Alvarez-Narciandi et al. Impact of the Unit Cell Distribution of 1-D Dynamic Metasurface Antennas on the Performance of a Computational Imaging System