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Manifold Sensitivity Analysis for MIMO Radar

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5 Author(s)
Haowen Chen ; Research Institute of Space Electronics Information Technology in Electronics Science and Engineering School, National University of Defense Technology, Changsha, China ; Wei Zhou ; Jin Yang ; Peng You
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The purpose of this letter is to investigate the sensitivity relative to the antenna position uncertainties (APUs) for multiple-input multiple-output (MIMO) radar with colocated antennas. Manifold study is introduced to MIMO radar virtual array as an analyzing tool. To assess the importance of each antenna in a MIMO radar system, we extend Manikas's sensor importance function to MIMO radar. Furthermore, to compare the robustness to APUs of different antenna geometries, we extend the overall-system-sensitivity criterion to MIMO radar system. We show that, with the same sensor geometry, MIMO radar has better robustness performance than the corresponding phased array because of waveform diversity.

Published in:

IEEE Geoscience and Remote Sensing Letters  (Volume:9 ,  Issue: 5 )