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2019-12-09
Polarization Difference Smoothing in Bistatic MIMO Radar
By
Progress In Electromagnetics Research Letters, Vol. 88, 67-74, 2020
Abstract
This paper investigates the joint direction of departure (DOD) and the direction of arrival (DOA) estimation of coherent targets in bistatic multiple-input multiple-output (MIMO) radar under the presence of spatially correlated noise. Based on electromagnetic vector sensors at both transmitter and receiver of MIMO radar, a preprocessing method, namely polarization difference smoothing, is proposed to remove the coherence between targets and to suppress the spatially correlated noise. Then DOD and DOA are estimated using the ESPRIT method. Further, this paper develops a simple approach for pair-matching between the estimated DODs and DOAs. Simulation results are compared with the receive polarization smoothing and transmit-receive polarization smoothing methods available in literature. Results show that the proposed approach improves the performance significantly.
Citation
Karthick Subramaniam, Palanisamy Ponnusamy, and Srinivasarao Chintagunta, "Polarization Difference Smoothing in Bistatic MIMO Radar," Progress In Electromagnetics Research Letters, Vol. 88, 67-74, 2020.
doi:10.2528/PIERL19091608
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