Bulletin of Surveying and Mapping ›› 2019, Vol. 0 ›› Issue (11): 1-7.doi: 10.13474/j.cnki.11-2246.2019.0341

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Research status and prospects of GB-SAR deformation monitoring technology

LIU Longlong1,2, ZHANG Jixian3, ZHAO Zheng2, KANG Qi2, XI Xiaofei4   

  1. 1. Faculty of Geomatics, Lanzhou Jiaotong University, Lanzhou 730070, China;
    2. Chinese Academy of Surveying & Mapping, Beijing 100830, China;
    3. National Quality Inspection and Testing Center for Surveying and Mapping Products, Beijing 100830, China;
    4. Beijing F. QLIADRANTS AI-DATA Technology Co., Ltd., Beijing 100089, China
  • Received:2019-02-21 Published:2019-12-02

Abstract: Ground-based synthetic aperture radar (GB-SAR) is a ground-based active microwave remote sensing technology developed in recent ten years. GB-SAR system can be used for non-contact, high precision, large-scale and long-distance deformation monitoring, which is of great significance in the field of deformation monitoring. Firstly, this paper introduces the basic theory and research status of GB-SAR. The main GB-SAR systems are summarized and the key parameters of the existing systems are listed in detail. Then we analyze the advantages and disadvantages of GB-SAR technology in the field of deformation monitoring such as infrastructure, landslides, mines, glacier movements and cultural relics protection and summarize the challenges faced by ground-based radar systems in practical applications. Finally, the application prospects are prospected from the aspects of deformation monitoring multi-dimension deformation and atmospheric correction.

Key words: GB-SAR, GB-SAR system, interferometry measurement, deformation monitoring, research

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