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Sensors 2018, 18(8), 2576; https://doi.org/10.3390/s18082576

General Signal Model for Multiple-Input Multiple-Output GMTI Radar

1
School of Electronic Science, National University of Defense Technology, Changsha 410073, China
2
China Academy of Electronics and Information Technology, China Electronics Technology Group Corporation, Changsha 410073, China
*
Authors to whom correspondence should be addressed.
Received: 30 May 2018 / Revised: 4 August 2018 / Accepted: 4 August 2018 / Published: 6 August 2018
(This article belongs to the Section Remote Sensors)
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Abstract

Multiple-input multiple-output (MIMO) ground moving target indication (GMTI) radar has been studied recently because of its excellent performance. In this paper, a general signal model is established for the MIMO GMTI radar with both fast-time and slow-time waveforms. The general signal model can be used to evaluate the performance of the MIMO GMTI radar with arbitrary waveforms such as the ideal orthogonal, code division multiple access (CDMA), frequency-division multiple access (FDMA), time division multiple access (TDMA), and Doppler division multiple access (DDMA) waveforms. We proposed a range-compensation method to eliminate the range-dependence of the FDMA waveforms. The simulation results indicate that the improved performance of FDMA waveforms is achieved utilizing the range-compensation method. View Full-Text
Keywords: MIMO GMTI radar; general signal model; fast-time waveforms; slow-time waveforms; range-compensation method MIMO GMTI radar; general signal model; fast-time waveforms; slow-time waveforms; range-compensation method
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Li, F.; He, F.; Dong, Z.; Wu, M.; Zhang, Y. General Signal Model for Multiple-Input Multiple-Output GMTI Radar. Sensors 2018, 18, 2576.

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