Remote Sensing Applications and Decision Support

Atmospheric phase correction using permanent scatterers in ground-based radar interferometry

[+] Author Affiliations
Jianping Yue, Xueqin Wang, Shun Yue

Hohai University, Earth Science and Engineering, Xikang Road 1, Nanjing 210098, China

Zhiwei Qiu

Hohai University, Earth Science and Engineering, Xikang Road 1, Nanjing 210098, China

Huaihai Institute of Technology, Cangwu Road 59, Xinpu District, Lianyungang 222005, China

J. Appl. Remote Sens. 10(4), 046013 (Nov 22, 2016). doi:10.1117/1.JRS.10.046013
History: Received April 2, 2016; Accepted October 26, 2016
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Abstract.  Ground-based synthetic aperture radar (GBSAR) is a powerful tool used in monitoring structures such as bridges and dams. However, despite the extremely short range of GBSAR interferometry, the atmospheric effects cannot be neglected. The permanent scatterer (PS) technique is an effective operational tool that utilizes a long series of SAR data and detects information with high accuracy. An algorithm based on the PS technique is developed in accordance with the phase model used in GBSAR interferometry. Atmospheric correction is carried out on a real campaign (Geheyan Dam, China). The atmospheric effects created using this method, which utilizes SAR data, can be effectively reduced compared to when plumb line data are used.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Jianping Yue ; Zhiwei Qiu ; Xueqin Wang and Shun Yue
"Atmospheric phase correction using permanent scatterers in ground-based radar interferometry", J. Appl. Remote Sens. 10(4), 046013 (Nov 22, 2016). ; http://dx.doi.org/10.1117/1.JRS.10.046013


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