周文斌, 许文斌, 李志伟, 汪长城. 考虑高程信息的MERIS水汽插值及其在ASAR干涉图大气改正中的应用[J]. 武汉大学学报 ( 信息科学版), 2012, 37(8): 963-977.
引用本文: 周文斌, 许文斌, 李志伟, 汪长城. 考虑高程信息的MERIS水汽插值及其在ASAR干涉图大气改正中的应用[J]. 武汉大学学报 ( 信息科学版), 2012, 37(8): 963-977.
ZHOU Wenbin, XU Wenbin, LI Zhiwei, WANG Changcheng. Elevation-dependent MERIS Water Vapor Interpolation and Its Application to Atmospheric Correction on ASAR Interferogram[J]. Geomatics and Information Science of Wuhan University, 2012, 37(8): 963-977.
Citation: ZHOU Wenbin, XU Wenbin, LI Zhiwei, WANG Changcheng. Elevation-dependent MERIS Water Vapor Interpolation and Its Application to Atmospheric Correction on ASAR Interferogram[J]. Geomatics and Information Science of Wuhan University, 2012, 37(8): 963-977.

考虑高程信息的MERIS水汽插值及其在ASAR干涉图大气改正中的应用

Elevation-dependent MERIS Water Vapor Interpolation and Its Application to Atmospheric Correction on ASAR Interferogram

  • 摘要: 提出了一种考虑高程信息的MERIS水汽插值方法。应用实例验证了该方法可以明显地削弱大气对干涉图的影响,并成功地探测出了美国洛杉矶地区的地表形变信号。研究结果表明,考虑高程信息的MERIS水汽插值法的改正精度优于常规的MERIS水汽插值改正法,改善程度平均达4.25%,有利于改正地形起伏大的地区的大气影响。

     

    Abstract: Based on the physical process of atmospheric signals,an algorithm has been developed to estimate the altitude-related MERIS water vapor and to correct the atmospheric effects on InSAR.The algorithm can significantly reduce the influence of atmospheric phase distortions on ASAR interferogram,and further explore the ground deformation and other geophysical signals.According to the experimental result,this altitude-related MERIS water vapor interpolation can reach 4.25% improvement averagely,relative to traditional MERIS integrated water vapor interpolation.Furthermore,this algorithm may provide an avenue for mitigate atmospheric effects in ASAR interferogram in mountainous areas,which appeals to a wide community of geophysicists.

     

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