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	QUANTITATIVE ANALYSIS OF THE WATER VAOPR EFFECTS ON THE INTERFEROMETRIC MEASUREMENTS
	Cui, Xi&apos ; Zeng, Qiming ; Liang, Cunren ; Jiao, Jian ; ai
	2016
关键词	water vapor InSAR delay displacement
英文摘要	The water vapor plays an important role on the microwave propagation. Plenty of methods to reduce its effects in the differential InSAR technique have been put forward, such as using MERIS, MODIS, GPS and the weather models. In order to analyze the water vapor effects quantitatively, we selected several time-series related Envisat ASAR images with their corresponding synchronous MERIS Full Resolution water vapor products. First of all, we analyze the quantitative relationship between the water vapor delay and the local elevation and find that there is no obvious linear correlation between water vapor and elevation. Then, we make a comparison between the InSAR measurements without water vapor correction and measurements with water vapor correction. The results indicate that the removal of the water vapor delay and the baseline refinement are coupled together. And at the same time, the influence of water vapor can lead to error of at least 10 mm.; National Natural Science Foundation of China [41571337]; [CMAGJ2015M81]; CPCI-S(ISTP); 6851-6854
语种	英语
出处	36th IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/459636]
专题	地球与空间科学学院
推荐引用方式 GB/T 7714	Cui, Xi&apos,Zeng, Qiming,Liang, Cunren,et al. QUANTITATIVE ANALYSIS OF THE WATER VAOPR EFFECTS ON THE INTERFEROMETRIC MEASUREMENTS. 2016-01-01.

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