Rotational parameters estimation of maneuvering target in ISAR imaging |
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| Authors: | Wenchen Li Jin Liu Xuesong Wang Shunping Xiao Guoyu Wang |
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| Institution: | 1. 63880 Unit, PLA, Luoyang 471003, P. R. China;School of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, E R. China
2. School of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, E R. China |
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| Abstract: | The rotational parameters estimation of maneuvering target is the key of cross-range scaling of ISAR (inverse synthetic aperture radar), which can be used in the target feature extraction. The cross-range signal model of rotating target with fixed acceleration is presented and the weighted linear least squares estimation of rotational parameters with fixed velocity or acceleration is proposed via the relationship of cross-range FM (frequency modulation) parameter, scatterers coordinates and rotational param... |
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| Keywords: | inverse synthetic aperture radar maneuvering target rotational parameters estimation cross-range scaling scaled Radon-Wigner transform imaging |
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