Journal
DIGITAL SIGNAL PROCESSING
Volume 89, Issue -, Pages 124-130Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.dsp.2019.02.010
Keywords
Multiple-input multiple-output radar; Space-time coding; Transmit beamforming; Matched filtering loss
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Funding
- National Natural Science Foundation of China [61771367, 61501351]
- 111 Project [B18039]
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In this paper, we utilize a space-time coding (STC) scheme to synthesize the multiple-input multiple-output (MIMO) radar transmit beampattern and meanwhile consider the matched filtering loss (MFL) of equivalent signal in waveform design. To solve the MFL optimization problem, we propose a simulated annealing based (SA-based) algorithm to effectively find the optimal solution of STC waveform matrix. Our STC method for waveform design has suppressed the fluctuation of equivalent signal so that has the advantage of achieving the minimum MFL nearly, compared to the conventional methods for constant-envelope constraint waveform design (e.g. cyclic algorithm (CA) method). Simulation results demonstrate the effectiveness of the proposed algorithm. (C) 2019 Elsevier Inc. All rights reserved.
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