利用L1范数的多基线InSAR相位解缠绕技术

doi:10.3969/j.issn.1001-2400.2013.04.006

Abstract

Abstract:

Multi-baseline phase unwrapping is a critical processing procedure of multi-baseline synthetic aperture radar interferometry (InSAR). However, it has a disadvantage that it is not robust to noise. In order to solve this problem, in this paper, an L¹-norm based single-baseline phase unwrapping method is proposed. By using the L¹-norm optimization model, the relation among interferograms obtained by multi-baseline InSAR is combined in the conventional signle-baseline L¹-norm phase unwrapping optimization model with this algorithm. Finally, simulated experiments demonstrate that this method has a better accuracy on phase unwrapping results and that it can be applied to measuring the complex terrain.

Key words: phase unwrapping, synthetic aperture radar, multi-baseline, InSAR, L¹-norm

CLC Number:

TN957

YU Hanwen;BAO Zheng. L¹-norm method for multi-baseline InSAR phase unwrapping[J].J4, 2013, 40(4): 37-41.

References

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L¹-norm method for multi-baseline InSAR phase unwrapping

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L1-norm method for multi-baseline InSAR phase unwrapping

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L¹-norm method for multi-baseline InSAR phase unwrapping