立方体卫星编队飞行遥感任务x波段SAR天线设计

2021 IEEE 6th International Forum on Research and Technology for Society and Industry (RTSI) Pub Date : 2021-09-06 DOI:10.1109/rtsi50628.2021.9597211

G. D. Martino, A. D. Simone, A. Iodice, D. Riccio, G. Ruello, M. Grassi, M. Graziano, A. Moccia, A. Renga

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引用次数: 1

摘要

本文介绍了基于立方体卫星标准和已有星载机会型合成孔径雷达(FF-SAR)的未来编队飞行雷达接收天线的设计。接收天线工作在x波段，符合FF-SAR的成像模式，即提高信噪比的条形图模式(IM1)和监测大面积的高分辨率宽幅模式(IM2)。为了满足IM1的高增益要求，设计了一个大反射器，而IM2所需的大覆盖由可重构贴片阵列馈电保证。全波分析表明，所设计的接收天线在IM1的增益为37.42 dBi，在IM2的半功率波束宽度为12.1度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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X-Band SAR Antenna Design for a CubeSat Formation-Flying Remote Sensing Mission

This paper presents the design of the receiving antenna of an upcoming formation-flying synthetic aperture radar (FF-SAR) based on the CubeSat standard and on a preexisting spaceborne SAR of opportunity. The receiving antenna operates at X-band and is compliant with the imaging modes of the FF-SAR, namely a stripmap mode for signal-to-noise ratio improvement (IM1) and a High-Resolution Wide-Swath mode for the monitoring of large areas (IM2). A large reflector has been designed to meet the high-gain requirement in IM1, while the wide coverage needed in IM2 is ensured by a reconfigurable patch array feed. Full-wave analysis shows that the designed receiving antenna achieves 37.42 dBi gain in IM1 and 12.1 degree half-power beamwidth in IM2.

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2021 IEEE 6th International Forum on Research and Technology for Society and Industry (RTSI)

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