The research status analysis of differential TomoSAR

doi:10.13474/j.cnki.11-2246.2019.0002

Abstract

Abstract: Differential TomoSAR is a 4D information inversion technique that develops from SAR tomography. It performs a 4D space-velocity imaging that not only provides 3D imaging, but also gains the deformation information of the targets. It has important value in monitoring dynamic city infrastructure deformation,accessing ancient buildings risk and monitoring safety of engineering.This paper introduces the principles of differential TomoSAR imaging and discusses the problems in imaging process. Then it summarizes research status of imaging algorithms and features. Finally, it presents the primary applications and prospects of differential TomoSAR.

Key words: differential TomoSAR, 4D SAR imaging, compressive sensing (CS), deformation monitoring

CLC Number:

P237

ZHANG Yue, PANG Lei, XU Xigui, ZHANG Tian, ZHANG Ruiju. The research status analysis of differential TomoSAR[J]. 测绘通报, 2019, 0(1): 5-12.

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