Please use this identifier to cite or link to this item: https://doi.org/10.3390/rs13112051
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dc.titleRobust clutter suppression and ground moving target imaging method for a multichannel sar with high-squint angle mounted on hypersonic vehicle
dc.contributor.authorHan, Jiusheng
dc.contributor.authorCao, Yunhe
dc.contributor.authorYeo, Tat-Soon
dc.contributor.authorWang, Fengfei
dc.date.accessioned2022-10-12T08:05:44Z
dc.date.available2022-10-12T08:05:44Z
dc.date.issued2021-05-22
dc.identifier.citationHan, Jiusheng, Cao, Yunhe, Yeo, Tat-Soon, Wang, Fengfei (2021-05-22). Robust clutter suppression and ground moving target imaging method for a multichannel sar with high-squint angle mounted on hypersonic vehicle. Remote Sensing 13 (11) : 2051. ScholarBank@NUS Repository. https://doi.org/10.3390/rs13112051
dc.identifier.issn2072-4292
dc.identifier.urihttps://scholarbank.nus.edu.sg/handle/10635/232456
dc.description.abstractThis paper investigates a robust clutter suppression and detection of ground moving target (GMT) imaging method for a multichannel synthetic aperture radar (MC-SAR) with high-squint angle mounted on hypersonic vehicle (HSV). A modified coarse-focused method with cubic chirp Fourier transform (CFT) is explored first that permits the coarsely focused imageries to be recovered, thus alleviated the impacts of GMT Doppler ambiguity and range cell migration (RCM). After that, in combination with joint-pixel model, a robust clutter suppression method which enhances the GMT integration, and improving the accuracy of radial speed (RS) recovery by modifying the matching between the beamformer center and GMT, is proposed. Due to that the first-order phase compensation and RS retrieval are predigested, the proposed algorithm has lower the algorithmic complexity. Finally, the feasibility of our proposed method are verified via experimental results based on simulated and real measured data. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
dc.publisherMDPI AG
dc.rightsAttribution 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceScopus OA2021
dc.subjectChirp Fourier transform (CFT)
dc.subjectClutter suppression
dc.subjectGround moving target (GMT)
dc.subjectHypersonic vehicle (HSV)
dc.subjectParameter estimation
dc.subjectSynthetic aperture radar (SAR)
dc.typeArticle
dc.contributor.departmentDEPT OF ELECTRICAL & COMPUTER ENGG
dc.description.doi10.3390/rs13112051
dc.description.sourcetitleRemote Sensing
dc.description.volume13
dc.description.issue11
dc.description.page2051
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