Phase unwrapping method based on multi-frequency InSAR in highly sloped terrain

Electronics Letters(2016)

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摘要
In highly sloped terrain, the interferometric phase gradients of the adjacent pixels are more than π. Therefore, the conventional phase unwrapping methods cannot correctly obtain the absolute phase. To solve this problem, a phase unwrapping method based on multi-frequency interferometric synthetic aperture radar (MF-InSAR) is proposed. In this method, a joint probability density function based on ...
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关键词
geophysical image processing,image reconstruction,probability,radar imaging,radar interferometry,synthetic aperture radar,terrain mapping
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