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An Extended D-Tomosar System for the Retrieval of Three-Dimensional Surface Deformation

  • School of Electronics and Information Engineering, Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Traditional differential synthetic aperture radar tomography (D-TomoSAR) is difficult to fully reflect the actual deformation of ground, because it can only capture onedimensional (1-D) deformation along the line of sight (LOS) of the SAR. An extended D-TomoSAR model for retrieving the three-dimensional (3-D) deformation parameters of ground is proposed in this paper. The 3-D deformation parameters in the directions of azimuth, range, and elevation are firstly introduced into the traditional D-TomoSAR signal model. Then the sparse reconstruction technique is used to reconstruct the scatterers' elevation and deformation parameters. Simulations and experimental results with semireal data verify the effectiveness of the proposed signal model and algorithm.

Original languageEnglish
Title of host publication2019 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2019 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages2535-2538
Number of pages4
ISBN (Electronic)9781538691540
DOIs
StatePublished - Jul 2019
Externally publishedYes
Event39th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2019 - Yokohama, Japan
Duration: 28 Jul 20192 Aug 2019

Publication series

NameInternational Geoscience and Remote Sensing Symposium (IGARSS)
ISSN (Print)2153-6996
ISSN (Electronic)2153-7003

Conference

Conference39th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2019
Country/TerritoryJapan
CityYokohama
Period28/07/192/08/19

Keywords

  • Synthetic aperture radar (SAR)
  • differential SAR tomography (D-TomoSAR)
  • sparse reconstruction
  • threedimensional (3-D) deformation

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