A Monostatic/Bistatic Ground-Based Synthetic Aperture Radar System for Target Imaging and 2-D Displacement Estimation

Suyun Wang, Weike Feng, Kazutaka Kikuta, Motoyuki Sato

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

A monostatic/bistatic ground-based synthetic aperture radar (GB-SAR) system using an optical electric field sensor (OEFS) as the bistatic receiving unit has been designed for target imaging and 2-D displacement estimation purposes. The designed system has the capability of acquiring the monostatic and bistatic SAR images simultaneously from different looking angles, enabling the displacement vector estimation of the illuminated area. The spatial baseline between the monostatic and bistatic receivers is selected according to the estimation precision analysis. Experimental results are presented to evaluate the performance of the designed system and the proposed method. The displacement estimation accuracies in x- and y-directions can reach up to millimeter level.

Original languageEnglish
Article number8995802
Pages (from-to)326-330
Number of pages5
JournalIEEE Geoscience and Remote Sensing Letters
Volume18
Issue number2
DOIs
Publication statusPublished - 2021 Feb

Keywords

  • 2-D displacement
  • bistatic radar
  • ground-based synthetic aperture radar (GB-SAR)
  • optical electric field sensor (OEFS)

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Electrical and Electronic Engineering

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