Improving the Coherence of Interferograms of Mining Subsidence by Oversampling

Wu Hai-xiang; Wang Hua; Huang Xiu-ru; Carolina Pagli; Yang Ze-xin

doi:10.3969/j.issn.1007-7162.2015.03.023

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Improving the Coherence of Interferograms of Mining Subsidence by Oversampling

更新时间：2026-05-27

- Improving the Coherence of Interferograms of Mining Subsidence by Oversampling
- Vol. 32, Issue 3, Pages: 123-126(2015)
- 作者机构：
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- DOI：10.3969/j.issn.1007-7162.2015.03.023
  CLC：
- Online First：22 September 2015，
  
  Published：2015
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吴海翔, 王华, 黄秀汝, Carolina Pagli, 杨泽鑫. 利用过采样方法提高矿区沉降干涉图的相干性[J]. 广东工业大学学报, 2015, 32(3): 123-126.

Wu Hai-xiang, Wang Hua, Huang Xiu-ru, et al. Improving the Coherence of Interferograms of Mining Subsidence by Oversampling[J]. 2015, 32(3): 123-126.
吴海翔, 王华, 黄秀汝, Carolina Pagli, 杨泽鑫. 利用过采样方法提高矿区沉降干涉图的相干性[J]. 广东工业大学学报, 2015, 32(3): 123-126. DOI： 10.3969/j.issn.1007-7162.2015.03.023.

Wu Hai-xiang, Wang Hua, Huang Xiu-ru, et al. Improving the Coherence of Interferograms of Mining Subsidence by Oversampling[J]. 2015, 32(3): 123-126. DOI： 10.3969/j.issn.1007-7162.2015.03.023.

摘要

采用过采样方法提高SAR图像相干性，使研究区域的干涉条纹更加清晰.以唐山矿区为例，采用过采样方法获得了6对矿区沉降干涉图，并计算了该区域的地面沉降时间序列.结果表明，唐山部分矿区在2004年11月到2005年4月间存在快速的沉降，最大沉降速率达到2 398 mm/a.

Abstract

The authors use oversampling method to improve the coherence of SAR images

which makes the fringes of the studied area clearer. By using this method

the authors process 6 pairs of interferograms and derive the time series of mining subsidence. The results show that some mines in Tangshan have been subsiding rapidly from November 2004 to April 2005 with the maximum rate of 2 398 mm/yr.

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