A new portable 2D ground-based synthetic aperture radar system for micro-deformation monitoring and SAR imaging

被引：0
|
作者：
Zhang, Wenwen [1 ]
Li, Chuandong [1 ]
Shi, Yawei [1 ]
Wang, Huiwei [1 ]
Li, Huaqing [1 ]
Shang, Yihang [1 ]
Zhou, Mengyuan [1 ]
机构：
[1] Southwest Univ, Coll Elect & Informat Engn, Chongqing, Peoples R China
来源：
2023 35TH CHINESE CONTROL AND DECISION CONFERENCE, CCDC | 2023年
关键词：
Terms-Frequency-modulated continuous wave (FMCW); ground-based synthetic aperture radar(GBSAR); micro-deformation monitoring; SAR imaging;
D O I：
10.1109/CCDC58219.2023.10326715
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The ground-based synthetic aperture radar (GBSAR) has a greater observation distance, larger field of view, can provides space coverage and real-time monitoring. This paper presents a GBSAR system device with a new high-precision two-dimension (2D) rail which is designed based on frequency-modulated continuous wave (FMCW), synthetic aperture radar (SAR) imaging and micro-deformation phase inversion. Firstly, the hardware structure composition of the system and the software program part are pointed out in detail. Then an algorithm is proposed to obtain the target micro-deformation from the phase inversion and we carried out principle derivation. The 2D SAR image and micro-deformation inversion experiments are carried out based on the measured data collected by the equipment system. The experimental results demonstrate the effectiveness and high-accuracy of the GBSAR system in radar line-of-sight direction image ability and millimeter-level micro-deformation calculation.
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页码：5338 / 5342
页数：5
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