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

doi:10.1109/LGRS.2020.2971662

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

Department of Basic Studies

Research output: Contribution to journal › Article › peer-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 language	English
Article number	8995802
Pages (from-to)	326-330
Number of pages	5
Journal	IEEE Geoscience and Remote Sensing Letters
Volume	18
Issue number	2
DOIs	https://doi.org/10.1109/LGRS.2020.2971662
Publication status	Published - 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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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.",

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note = "Funding Information: Manuscript received September 28, 2019; revised December 11, 2019; accepted February 1, 2020. Date of publication February 12, 2020; date of current version January 21, 2021. This work was supported by the Japan Society for the Promotion of Science (JSPS) Grant-in-Aid for Scientific Research (A) under Grant 26249058. (Corresponding author: Suyun Wang.) Suyun Wang and Weike Feng are with the Graduate School of Environmental Studies, Tohoku University, Sendai 980-8572, Japan (e-mail: wang.suyun.t5@dc.tohoku.ac.jp; feng.weike.q4@dc.tohoku.ac.jp). Publisher Copyright: {\textcopyright} 2004-2012 IEEE.",

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doi = "10.1109/LGRS.2020.2971662",

language = "English",

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

Abstract

Keywords

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