CORRECTION OF INSAR ATMOSPHERE EFFECT BASED ON MODIS WATER VAPOR DATA
1）State Key Laboratory of Geodesy and Earth’s Dynamics, Institute of Geodesy and Geophysics, CAS, Wuhan 430077
Abstract Usually,when we correct the InSAR atmosphere effect based on MODIS water vapor data,the data may be polluted by the cloud.In order to improve the correction,we compared three kinds of interpolation methods:inverse distance weighted interpolation, Kriging and radial basis function. It is concluded that the Kriging method is best.The Kriging method was used in Harbin atmospheric delay correct test. The experimental results show that the RMS differences between InSAR and GPS reduced by 31.25% after the correction.
Key words ：
MODIS
InSAR
atmospheric effect
inversion
atmospheric correction
Received: 10 September 2012
Published: 18 April 2013
Cite this article:
Hu Bo,Wang Hansheng,Hou Jianguo et al. CORRECTION OF INSAR ATMOSPHERE EFFECT BASED ON MODIS WATER VAPOR DATA[J]. jgg, 2013, 33(2): 82-86.
Hu Bo,Wang Hansheng,Hou Jianguo et al. CORRECTION OF INSAR ATMOSPHERE EFFECT BASED ON MODIS WATER VAPOR DATA[J]. jgg, 2013, 33(2): 82-86.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2013/V33/I2/82
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