An Efficient ISAR Imaging Method for Space Maneuvering Target Based on Multisynchrosqueezing Transform
This study resolves defocusing artifacts in conventional Range-Doppler (RD) algorithms for Inverse Synthetic Aperture Radar (ISAR) imaging of maneuvering targets by introducing a multi-synchrosqueezing transform (MSST)-based high-resolution imaging method. The methodology integrates motion compensat...
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| Format: | Article |
| Language: | English |
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IEEE
2025-01-01
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| Series: | IEEE Access |
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| Online Access: | https://ieeexplore.ieee.org/document/11030611/ |
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| author | Ting Zhao Chengxiang Zhang Yu Zheng Jishen Liang |
| author_facet | Ting Zhao Chengxiang Zhang Yu Zheng Jishen Liang |
| author_sort | Ting Zhao |
| collection | DOAJ |
| description | This study resolves defocusing artifacts in conventional Range-Doppler (RD) algorithms for Inverse Synthetic Aperture Radar (ISAR) imaging of maneuvering targets by introducing a multi-synchrosqueezing transform (MSST)-based high-resolution imaging method. The methodology integrates motion compensation to suppress translational interference, models range cell echoes as multi-component Polynomial Phase Signals(PPS), and deploys MSST’s superior time-frequency localization for reconstructing 3D range-time-Doppler energy distribution from 2D radar data. By extracting instantaneous Doppler features through energy concentration optimization, the framework achieves enhanced ISAR image resolution. Simulation and experimental results demonstrate that this method significantly outperforms conventional RD algorithms and standard time-frequency analysis techniques in time-frequency focusing performance under complex target motion conditions. |
| format | Article |
| id | doaj-art-a1e3ccabe378496bb3b3c8b465f72ec6 |
| institution | OA Journals |
| issn | 2169-3536 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Access |
| spelling | doaj-art-a1e3ccabe378496bb3b3c8b465f72ec62025-08-20T02:07:26ZengIEEEIEEE Access2169-35362025-01-011310229910231010.1109/ACCESS.2025.357895011030611An Efficient ISAR Imaging Method for Space Maneuvering Target Based on Multisynchrosqueezing TransformTing Zhao0https://orcid.org/0009-0001-1777-0621Chengxiang Zhang1https://orcid.org/0000-0002-6671-8379Yu Zheng2Jishen Liang3Communication NCO Academy of PLA, Chongqing, ChinaBeijing Institute of Technology Chongqing Innovation Center, Chongqing, ChinaCommunication NCO Academy of PLA, Chongqing, ChinaCommunication NCO Academy of PLA, Chongqing, ChinaThis study resolves defocusing artifacts in conventional Range-Doppler (RD) algorithms for Inverse Synthetic Aperture Radar (ISAR) imaging of maneuvering targets by introducing a multi-synchrosqueezing transform (MSST)-based high-resolution imaging method. The methodology integrates motion compensation to suppress translational interference, models range cell echoes as multi-component Polynomial Phase Signals(PPS), and deploys MSST’s superior time-frequency localization for reconstructing 3D range-time-Doppler energy distribution from 2D radar data. By extracting instantaneous Doppler features through energy concentration optimization, the framework achieves enhanced ISAR image resolution. Simulation and experimental results demonstrate that this method significantly outperforms conventional RD algorithms and standard time-frequency analysis techniques in time-frequency focusing performance under complex target motion conditions.https://ieeexplore.ieee.org/document/11030611/ISAR imagingtime-frequency analysismultisynchrosqueezing transform (MSST)maneuvering target |
| spellingShingle | Ting Zhao Chengxiang Zhang Yu Zheng Jishen Liang An Efficient ISAR Imaging Method for Space Maneuvering Target Based on Multisynchrosqueezing Transform IEEE Access ISAR imaging time-frequency analysis multisynchrosqueezing transform (MSST) maneuvering target |
| title | An Efficient ISAR Imaging Method for Space Maneuvering Target Based on Multisynchrosqueezing Transform |
| title_full | An Efficient ISAR Imaging Method for Space Maneuvering Target Based on Multisynchrosqueezing Transform |
| title_fullStr | An Efficient ISAR Imaging Method for Space Maneuvering Target Based on Multisynchrosqueezing Transform |
| title_full_unstemmed | An Efficient ISAR Imaging Method for Space Maneuvering Target Based on Multisynchrosqueezing Transform |
| title_short | An Efficient ISAR Imaging Method for Space Maneuvering Target Based on Multisynchrosqueezing Transform |
| title_sort | efficient isar imaging method for space maneuvering target based on multisynchrosqueezing transform |
| topic | ISAR imaging time-frequency analysis multisynchrosqueezing transform (MSST) maneuvering target |
| url | https://ieeexplore.ieee.org/document/11030611/ |
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