An efficient implementation of a robust phase-unwrapping algorithm

Gang Li

doi:10.1109/LSP.2006.890095

An efficient implementation of a robust phase-unwrapping algorithm

2007-06-01

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DOI：10.1109/LSP.2006.890095

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A robust phase-unwrapping algorithm has been recently proposed and applied to accurately locate fast moving, targets in multifrequency antenna array synthetic aperture radar imaging. This algorithm is based on two dimensional (2-D) searching and its complexity may be high. In this letter, we propose an efficient implementation of the robust phase-unwrapping algorithm. We show that the range of the 2-D searching, and therefore the complexity of the robust phase-unwrapping algorithm, can be significantly reduced.

Keyword:

Chinese remainder theorem

phase unwrapping

remainder errors

synthetic aperture radar (SAR)

An efficient implementation of a robust phase-unwrapping algorithm

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