Polarization time sequence InSAR method based on coherence matrix adaptive decomposition

The invention discloses a polarization time sequence InSAR method based on coherence matrix adaptive decomposition, and the method comprises the steps: obtaining a time sequence multi-polarization time sequence SAR image of a research region, carrying out the preprocessing of the SAR image, and carrying out the homogeneous pixel recognition; performing polarization optimization under different criteria according to PS and DS targets; calculating time sequence coherence by using an interferometric phase after polarization optimization of eigenvalue decomposition, carrying out high-quality pixel selection, carrying out polarization time sequence interference measurement by using a differential interferogram after polarization optimization, obtaining a deformation monitoring point, and completing deformation monitoring of a research area; according to the method, firstly, PS and DS targets are distinguished through homogeneous pixel identification, the PS and DS targets are optimized by applying different strate