New Approaches to Processing Ground-Based SAR (GBSAR) Data for Deformation Monitoring

New Approaches to Processing Ground-Based SAR (GBSAR) Data for Deformation Monitoring
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处理用于变形监测的地基 SAR (GBSAR) 数据的新方法

DOI:
10.3390/rs10121936
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发表时间:
2018-12
期刊:
影响因子:
5
通讯作者:
Chuanguang Zhu
Chuanguang Zhu
中科院分区:
工程技术2区
文献类型:
--
作者:
Sichun Long;Aixia Tong;Ying Yuan;Zhenhong Li;Wenhao Wu;Chuanguang Zhu

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In this paper, aiming at the limitation of persistence scatterers (PS) points selection, a new method for selecting PS points has been introduced based on the average coherence coefficient, amplitude dispersion index, estimated signal-to-noise ratio and displacement standard deviation of multiple threshold optimization. The stability and quality of this method are better than that of a single model. In addition, an atmospheric correction model has also been proposed to estimate the atmospheric effects on Ground-based synthetic aperture radar (GBSAR) observations. After comparing the monitoring results before and after correction, we clearly found that the results are in good agreement with the actual observations after applying the proposed atmospheric correction approach.
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