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Flared SIW antenna design and transceiving experiments for Wband SAR

机译:Wband SAR的扩口SIW天线设计和收发实验

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摘要

In this article, the design of a small and light-weight antenna and transceiving experimentsfor W-band UAV-mounted synthetic aperture radar (SAR) is presented. Theantenna requirements i.e. gain, beam width, and antenna dimension are determinedfrom the parameters of the radar system under implementation in our lab. To meet therequirements, 24-by-4 SIW slot array antennas have been designed. The antennadesign includes a waveguide-to-microstrip transition for connection to circuits andmetal flares for gain enhancement. Transceiving experiments are carried out by integratingthe designed antennas with a SAR system prototype. Corner reflectors havingvarious radar cross sections (RCS) are used as radar targets. Additionally, experimentswith standard horn antennas are also carried out for a comparison. From the results,the designed SIW slot array antennas gives acceptable performance while maintainingsmall and light-weight characteristics which are crucial for compact SAR.
机译:本文介绍了一种小型轻巧的天线的设计和收发实验,适用于安装在W波段无人机上的合成孔径雷达(SAR)。天线要求,即增益,波束宽度和天线尺寸,是根据我们实验室中正在实施的雷达系统的参数确定的。为了满足 r n要求,已经设计了24 x 4 SIW缝隙阵列天线。天线的设计包括从波导到微带的过渡,以连接到电路,并包括金属喇叭口,以增强增益。通过将设计的天线与SAR系统原型集成在一起来进行收发实验。具有不同雷达横截面(RCS)的角反射器用作雷达目标。此外,还使用标准号角天线进行了实验以进行比较。从结果来看,设计的SIW缝隙阵列天线在保持小型轻巧的特性的同时,可以提供令人满意的性能,这对于紧凑型SAR至关重要。

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