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Fusion Imaging Method for MIMO Radar with Transmit Diversity |
Wang Huai-jun,Xu Hong-bo,Zhu Yu-tao,Su Yi |
School of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China |
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Abstract MIMO radar with transmit diversity has the potential of high-resolution imaging, but the imaging results suffer from huge sidelobes. In order to analyze the imaging performance of MIMO radar, this paper establishes an imaging model firstly. The high-resolution ability of diversity is demonstrated from spatial spectral coverage, and the sidelobe performance of diversity image is analyzed in particular. Based on spectral extrapolation, a fusion imaging method for MIMO radar with transmit diversity is proposed. This method can achieve high-resolution images with good sidelobe performance. Finally, simulations are performed in order to validate the effectiveness of the proposed method.
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Received: 29 December 2008
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Corresponding Authors:
Wang Huai-jun
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