广东工业大学学报 ›› 2014, Vol. 31 ›› Issue (1): 118-120.doi: 10.3969/j.issn.1007-7162.2014.01.023

• 综合研究 • 上一篇    下一篇

利用InSAR相干性提取青藏高原湖泊边界

王华，罗丽芳   

  1. 广东工业大学 土木与交通工程学院，广东 广州 510006
  • 收稿日期:2013-11-05 出版日期:2014-03-29 发布日期:2014-03-29
  • 作者简介:王华（1978-），男，副教授，博士，主要研究方向为InSAR、大陆构造与地震周期.
  • 基金资助:

    国家自然科学基金资助项目（41104016）

Identifying Lake Boundaries in Tibet Using InSAR Coherence

Wang Hua, Luo Li-fang   

  1. School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou 510006, China
  • Received:2013-11-05 Online:2014-03-29 Published:2014-03-29

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摘要： 雷达干涉测量相干性信息对于水域非常敏感.采用阈值异或算法，利用多幅雷达影像计算的相干性图有效提取了青藏高原色林措等湖泊的边界线.通过与光学遥感影像比较，证明相干性信息在精确提取区域性水域范围方面能够发挥重要作用.

关键词: 雷达干涉测量；相干性；湖泊水域范围提取

Abstract: InSAR coherence is very low in the watershed area. The TXOR algorithm and multiple radar coherence images were used to identify the lake boundaries near Siling Co in Tibet. The comparison between the InSAR extracted boundaries and the optical images demonstrates that the method is useful in extracting watershed areas on a large scale.

Key words: Interferometric synthetic aperture radar(InSAR); coherence; lake boundary identification

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