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《Geography and Territorial Research》 2000-04
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On INSAR 2D Phase Unwrapping Algorithm

GAO Yong (Institute of RS & GIS,Beijing University, Beijing 100871,China)  
Two-dimensional phase unwrapping technology plays a core role in the application of SAR interferometry. The theories and properties of some main unwrapping algorithms are analyzed comparatively with detailed experiment. The local operator of path-following algorithm and the global operator of least-square algorithm are the essential characteristics of the two unwrapping algorithms. Each algorithm has its own unique suitability to different data, and the choice of the algorithms is depended on the data used actually.
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