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陆探一号合成孔径雷达卫星同步收发机设计与实验验证

The Synchronization Transceiver Design and Experimental Verification for the LuTan-1 SAR Satellite.

作者信息

Jiao Yuanbo, Liang Da, Liu Kaiyu, Chen Yafeng, Wang Huaizu, Wang And Robert

机构信息

Space Microwave Remote Sensing System Department, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China.

School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100039, China.

出版信息

Sensors (Basel). 2020 Mar 6;20(5):1463. doi: 10.3390/s20051463.

DOI:10.3390/s20051463
PMID:32155932
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7085691/
Abstract

The deviation between the two oscillators in BiSAR systems will cause a residual modulation of echo signal. Therefore, the phase synchronization is an important issue that must be addressed for BiSAR systems. An advanced non-interrupted phase synchronization scheme is used for the LuTan-1 SAR satellite. The synchronization transceiver (STR) is designed for transmitting and receiving synchronization signals. In addition, STR mainly consists of master and auxiliary transceivers and switch module. Furthermore, the function and working principle of STR are introduced, and the detailed design of each part is described. The measured results are also evaluated to prove the performance of the STR. In addition, the phase synchronization accuracy is also demonstrated to verify the effectiveness of the non-interrupted synchronization scheme. The standard deviation (STD) of the residual phase is less than 0.3 degrees. The results have guiding significance for the synchronization unit design of LuTan-1 and the future BiSAR system.

摘要

双基地合成孔径雷达（BiSAR）系统中两个振荡器之间的偏差会导致回波信号的残余调制。因此，相位同步是BiSAR系统必须解决的一个重要问题。一种先进的非中断相位同步方案被应用于陆态一号合成孔径雷达卫星。同步收发器（STR）被设计用于发射和接收同步信号。此外，STR主要由主、辅收发器和开关模块组成。此外，介绍了STR的功能和工作原理，并描述了各部分的详细设计。还对测量结果进行了评估，以证明STR的性能。此外，还展示了相位同步精度，以验证非中断同步方案的有效性。残余相位的标准差（STD）小于0.3度。这些结果对陆态一号的同步单元设计以及未来的BiSAR系统具有指导意义。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/cd1d6b713e87/sensors-20-01463-g014.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/e824b2810b4c/sensors-20-01463-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/cd62e6ce8d2e/sensors-20-01463-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/8d42495df07a/sensors-20-01463-g011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/cd1d6b713e87/sensors-20-01463-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/bce0752e3ea8/sensors-20-01463-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/c6cae26d68f3/sensors-20-01463-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/421b7903778d/sensors-20-01463-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/e7febb9fde9d/sensors-20-01463-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/1678cf013b65/sensors-20-01463-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/85ab286c411b/sensors-20-01463-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/b20b5301d4d0/sensors-20-01463-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/f29d23326473/sensors-20-01463-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/e824b2810b4c/sensors-20-01463-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/cd62e6ce8d2e/sensors-20-01463-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/8d42495df07a/sensors-20-01463-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/b9b4fbc73203/sensors-20-01463-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/1364f25d2daf/sensors-20-01463-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e9e2/7085691/cd1d6b713e87/sensors-20-01463-g014.jpg

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