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1. CN107949954 - PASSIVE SERIES-FED ELECTRONICALLY STEERED DIELECTRIC TRAVELLING WAVE ARRAY

Office China
Application Number 201580080168.0
Application Date 20.03.2015
Publication Number 107949954
Publication Date 20.04.2018
Publication Kind A
IPC
H01Q 3/26
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
3Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
26varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
H01Q 3/32
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
3Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
26varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
30varying the phase
32by mechanical means
H01Q 3/36
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
3Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
26varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
30varying the phase
34by electrical means
36with variable phase-shifters
H01Q 3/44
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
3Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
44varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
H01Q 5/35
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
5Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
30Arrangements for providing operation on different wavebands
307Individual or coupled radiating elements, each element being fed in an unspecified way
342for different propagation modes
35using two or more simultaneously fed points
H01Q 9/04
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
9Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
04Resonant antennas
CPC
H01Q 3/2694
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
3Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
26varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
2682Time delay steered arrays
2694using also variable phase-shifters
H01Q 3/32
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
3Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
26varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
30varying the ; relative; phase ; between the radiating elements of an array
32by mechanical means
H01Q 3/36
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
3Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
26varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
30varying the ; relative; phase ; between the radiating elements of an array
34by electrical means
36with variable phase-shifters
H01Q 3/443
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
3Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
44varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
443varying the phase velocity along a leaky transmission line
H01Q 5/35
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
5Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
30Arrangements for providing operation on different wavebands
307Individual or coupled radiating elements, each element being fed in an unspecified way
342for different propagation modes
35using two or more simultaneously fed points
H01Q 9/0435
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
9Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
04Resonant antennas
0407Substantially flat resonant element parallel to ground plane, e.g. patch antenna
0428radiating a circular polarised wave
0435using two feed points
Applicants AMI RES & DEV LLC
AMI 研发有限责任公司
Inventors APOSTOLOS JOHN T.
J.T.阿波斯托罗斯
MOUYOS WILLIAM
W.穆约斯
MCMAHON BENJAMIN
B.麦克马洪
MOLEN BRIAN
B.莫伦
GILI PAUL
P.吉尔
Agents 中国专利代理(香港)有限公司 72001
中国专利代理(香港)有限公司 72001
Title
(EN) PASSIVE SERIES-FED ELECTRONICALLY STEERED DIELECTRIC TRAVELLING WAVE ARRAY
(ZH) 无源串馈式电子引导电介质行波阵列
Abstract
(EN)
The invention discloses a passive series-fed electronically steered dielectric travelling wave array. According to the invention, a low cost passive electronic scanning array based on a Dielectric Traveling Wave Array (DTWA) technology that uses micro-actuated control of a waveguide transmission medium feeding the array elements to steer the array beam. Array gain is achieved by coherently combining element outputs with very low loss, weighted waveguide directional couplers. By modifying the propagation delay of the dielectric-filled waveguide through the introduction of a variable air gap, the radiated phase of the coupled patch array elements is changed, steering the beam accordingly. Since the circuitry is passive and bi-directional, the same antenna array can be used on receive or transmit unlike an active phased array that requires transmit/receiver switching. The design has been validated at Ku-Band through brassboard testing and is scalable with simulation at Ka-Band, steering the beam over a Field of Regard (FoR) of +/- 50o with nearly uniform gain. The approach provides phase control without active components at each individual array element, which significantly reduces the cost of a phased array by at least an order of magnitude.

(ZH)
一种基于电介质行波阵列(DTWA)技术的低成本无源电子扫描阵列,其使用波导传输媒介的微促动控制向阵列元件馈电以引导阵列波束。通过相干地合成具有非常低的损耗的元件输出、加权的波导定向耦合器,实现阵列增益。通过可变气隙的引入修改填充电介质的波导的传播延迟,改变耦合贴片阵列元件的辐射相位,从而相应地引导波束。因为电路是无源和双向的,所以与要求传输/接收器切换的有源相控阵不同,能够在接收或传输时使用同一天线阵列。该设计已经在Ku‑波段下通过黄铜板测试验证,且用模拟可扩展至Ka‑波段下,从而在+/‑50o的观测场(FoR)上以几乎一致的增益引导波束。该方法在每个单个阵列元件处提供没有有源部件的相控制,这将相控阵的成本显著地减少了至少一个数量级。

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