Fabry-Perot resonant cavity vortex electromagnetic wave antenna based on metasurface

Fabry-Perot resonant cavity vortex electromagnetic wave antenna based on metasurface

The invention belongs to the field of vortex electromagnetic wave antennas, and particularly provides a metasurface-based Fabry-Perot resonant cavity vortex electromagnetic wave antenna, which is used for solving the problems of relatively low vortex electromagnetic wave gain and complex feed mode....

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Hauptverfasser: YI, HONG GI, DU ZEQING, HU JUN, XU GENBAO, JIANG MING, MING YUXIAO, RAN WEIJIAN
Format: Patent
Sprache:chi ; eng
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ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
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creator YI, HONG GI
DU ZEQING
HU JUN
XU GENBAO
JIANG MING
MING YUXIAO
RAN WEIJIAN
description The invention belongs to the field of vortex electromagnetic wave antennas, and particularly provides a metasurface-based Fabry-Perot resonant cavity vortex electromagnetic wave antenna, which is used for solving the problems of relatively low vortex electromagnetic wave gain and complex feed mode. According to the invention, a metasurface capable of independently controlling transmission and reflection amplitudes and phases is designed as a partial reflection surface of the Fabry-Perot resonant cavity antenna, and corresponding phase compensation is carried out on transmitted high-gain plane electromagnetic waves, so that high-gain vortex electromagnetic waves with the mode number of + 1 or-1 are generated; moreover, the antenna has the characteristics of low profile, simple structure and simple feed, large-scale array formation can be realized by adopting a PCB (Printed Circuit Board) processing technology, the processing difficulty is low, and the cost is relatively low; finally, the metasurface-based Fabr
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subjects ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
title Fabry-Perot resonant cavity vortex electromagnetic wave antenna based on metasurface
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