ZHANG Sen, TANG Jinsong, YANG Hailiang, CHEN Ming. Interferometric Phase Fusion and DEM Reconstruction Method with CSSM for Multi-frequency InSAR Systems[J]. Geomatics and Information Science of Wuhan University, 2010, 35(3): 328-333.
Citation: ZHANG Sen, TANG Jinsong, YANG Hailiang, CHEN Ming. Interferometric Phase Fusion and DEM Reconstruction Method with CSSM for Multi-frequency InSAR Systems[J]. Geomatics and Information Science of Wuhan University, 2010, 35(3): 328-333.

Interferometric Phase Fusion and DEM Reconstruction Method with CSSM for Multi-frequency InSAR Systems

Funds: 国家863计划资助项目(2007AA091101)
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  • Received Date: January 20, 2009
  • Revised Date: January 20, 2009
  • Published Date: March 04, 2010
  • A DEM reconstruction method based on CSSM(coherent signal subspace method)is proposed for multi-frequence InSAR systems.This method transforms the correlation matrices at many frequency bins into one general correlation matrix at one focusing frequencyusing a transformation matrix(focusing matrix),then estimates the elevation using subspace projecting method.The method can provide more accurate estimation of the height even when the coregistration error reaches one pixel than previous methods.The effectiveness and robustness of the method is verified by simulated data and SIR-C real data.
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