基于改进相干点目标技术的阜阳市地面沉降调查

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Abstract This paper proposed an improved coherent point target InSAR technology. The value of the sub-look coherent was used to identify the coherent point targets of small dataset, and the trend filter was then applied to remove the large-scale residual phase. Using 10 Radarsat-2 Wide Model images over Fuyang City during 2012—2013, the high density coherent point targets were obtained and the reliability of the results were improved. The obtained land subsidence was in accordance with the previous measurement data and our field survey. This method provides the technical supports and application example for risk analysis and the regular monitoring of the land subsidence in Fuyang City.

Key words： coherent point target technology land subsidence filter Radarsat-2

Received: 10 March 2016

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	PENG Peng
	YANG Honglei

Cite this article:

PENG Peng,YANG Honglei. Study of land subsidence monitoring based on an improved coherent point target technology in Fuyang City[J]. , 2016, 3(4): 63-68.

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http://114.242.223.217/EN/ OR http://114.242.223.217/EN/Y2016/V3/I4/63

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