[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Mohsan et al., 2021 - Google Patents

Cassegrain Antenna Design, Fabrication, and Testing for Passive Millimeter Wave Imaging

Mohsan et al., 2021

Document ID
9314028136606735810
Author
Mohsan S
Othman N
Uddin M
Elahi Z
Publication year
Publication venue
2021 Photonics & Electromagnetics Research Symposium (PIERS)

External Links

Snippet

The aim of our study was to describe the design and characterization of a Cassegrain antenna for Millimeter Wave (MMW) Imaging purposes. The software design and hardware fabrication model of Ka band Cassegrain Antenna operating at 35 GHz center frequency is …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • 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
    • H01Q19/10Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic using reflecting surfaces
    • H01Q19/12Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
    • H01Q19/13Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
    • H01Q19/132Horn reflector antennas; Off-set feeding
    • 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
    • H01Q9/00Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant aerials
    • H01Q9/30Resonant aerials with feed to end of elongated active element, e.g. unipole
    • H01Q9/40Element having extended radiating surface
    • 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
    • H01Q9/16Resonant aerials with feed intermediate between the extremities of the aerial, e.g. centre-fed dipole
    • H01Q9/26Resonant aerials with feed intermediate between the extremities of the aerial, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • 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
    • H01Q13/00Waveguide horns or mouths; Slot aerials; Leaky-waveguide aerials; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02Waveguide horns
    • 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
    • H01Q19/06Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic using refracting or diffracting devices, e.g. lens
    • 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
    • H01Q19/02Details
    • H01Q19/021Means for reducing undesirable effects
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q15/00Devices for reflection, refraction, diffraction, or polarisation of waves radiated from an aerial, e.g. quasi-optical devices
    • H01Q15/14Reflecting surfaces; Equivalent structures
    • 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
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q1/00Details of, or arrangements associated with, aerials
    • H01Q1/12Supports; Mounting means
    • 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
    • H01Q3/12Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system using mechanical relative movement between primary active elements and secondary devices of aerials or aerial systems
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QAERIALS
    • H01Q25/00Aerials or aerial systems providing at least two radiating patterns

Similar Documents

Publication Publication Date Title
AU2003245108B2 (en) Real-time, cross-correlating millimetre-wave imaging system
CN108134182B (en) Double-frequency feed source horn comprising metal ring
CN108173006A (en) A kind of pulse Cassegrain antenna suitable for terahertz wave band
CN110676560A (en) 77GHz millimeter wave radar antenna
Pandian et al. Low-noise 6-8 GHz receiver
US3133284A (en) Paraboloidal antenna with compensating elements to reduce back radiation into feed
Mohsan et al. Cassegrain Antenna Design, Fabrication, and Testing for Passive Millimeter Wave Imaging
CN113126173B (en) Passive security inspection equipment and receiving antenna unit thereof
Jing-Hui et al. Optimized dielectric rod antenna for millimeter wave FPA imaging system
Knott et al. Design of a disc-cone antenna for passive radar in the DVB-T frequency range
CN210468092U (en) 77GHz millimeter wave radar antenna
Xie et al. Development and calibration of a K-band ground-based hyperspectral microwave radiometer for water vapor measurements
Cuper et al. Double-ridged horn antenna operating in 18–40 GHz range
Costa et al. Antenna phase center determination from amplitude measurements using a focusing lens
Wang et al. A Compact Robust Feed Antenna for Passive Millimeter-Wave Imaging Using Gap Waveguide Technology
Zhu et al. Design of shaped dielectric lens antenna for millimeter wave wind profile radar
Nandigama et al. A W-band Compact Dual Reflector Cassegrain antenna for Monopulse Tracking Radar
Batra et al. Indoor THz N-LoS Communication and Radar Sensing Through Wall Reflections
Futatsumori et al. Fundamental field evaluations of Radio-over-Fiber connected 96 GHz millimeter-wave radar for airport surface foreign object debris detection
Di Maria et al. Design and measurements of a Double Ridged Guide Horn feed for P-Band direct path measurements
Lam et al. Ultra-wideband printed-circuit array antenna for medical monitoring applications
CN113126174B (en) Passive security inspection equipment and optical device thereof
KR102053846B1 (en) Quad-ridged horn anntena
US2705754A (en) Directive antenna systems
Zhao et al. A Parabolic Reflector Antenna Fed by Double-Ridged Horn for Millimeter Band