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3-D imaging of spaceborne distributed SAR based on phase preserving compressive sensing

  • Wang Pengfei
  • , Liu Mei
  • , Wang Zhigui
  • , Zhao Xiangyang
  • , Chen Haiyang
  • Harbin Institute of Technology

Research output: Contribution to conferencePaperpeer-review

Abstract

Spaceborne multi-static synthetic aperture radar (SAR) with different baselines extends the synthetic aperture principle of monostatic SAR into the elevation direction for 3-D imaging. In this paper, an expression of 3-D SAR echo data is presented. To meet the requirements of 3-D imaging, a phase preserving compressive sensing approach is proposed to solve the ground reflectivity. Simulation experiments indicate that the phase of raw complex signal is well preserved and the 3-D image of interested area is reconstructed efficiently.

Original languageEnglish
StatePublished - 2015
Externally publishedYes
EventIET International Radar Conference 2015 - Hangzhou, China
Duration: 14 Oct 201516 Oct 2015

Conference

ConferenceIET International Radar Conference 2015
Country/TerritoryChina
CityHangzhou
Period14/10/1516/10/15

Keywords

  • 3-D SAR imaging
  • Compressive sensing
  • Multi-static SAR
  • Phase preserving

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