The Research Status Analysis on Multi-baseline Tomographic SAR

doi:10.13474/j.cnki.11-2246.2018.0003

Abstract

Abstract:

Tomographic synthetic aperture radar (tomographic SAR) is an information inversion technology developed from the interferometric SAR (InSAR).Tomographic SAR makes up the shortages of the traditional InSAR resolving ability loss in height direction,which really achieves three-dimensional imaging in the azimuth,range and height direction.This paper introduces the principle of tomographic SAR imaging,and discusses the problems about complex image registration,deramping,phase errors compensation and height direction imaging.In the same time,three types of tomographic SAR algorithms and the applications in various fields are studied and summarized.Eventually,the existing problems and developing trend of tomographic SAR imaging are discussed.

Key words: multi-baseline, tomographic SAR, super-resolution, spectrum estimation, compressed sensing

CLC Number:

P237

XU Xigui, PANG Lei, ZHANG Xuedong, LIU Hui, CHEN Yang, WEI Shiying. The Research Status Analysis on Multi-baseline Tomographic SAR[J]. 测绘通报, 2018, 0(1): 14-21.

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