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Inverse synthetic aperture radar imaging of three-dimensional rotation target based on two-order match Fourier transform

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2 Author(s)
Wang, Y. ; Res. Inst. of Electron. Eng. Technol., Harbin Inst. of Technol., Harbin, China ; Jiang, Y.C.

A novel approach for inverse synthetic aperture radar (ISAR) imaging of three-dimensional (3-D) rotation target is presented in this study. It is based on the assumption that the manoeuverability is not too severe, and the received signal in a range bin can be characterised as multi-component linear frequency modulated (LFM) signal. The two-order match Fourier transform (TMFT) is used to estimate the parameters of the LFM signal, and the asymptotic statistical performance is analysed simultaneously. Combined with the Range-instantaneous-Doppler (RID) algorithm, the high-quality instantaneous ISAR images can be obtained. The results of simulated and real data demonstrate the effectiveness of the method proposed.

Published in:

Signal Processing, IET  (Volume:6 ,  Issue: 2 )