Abstract
In this paper, a novel method termed the cosine approach is proposed to address the sidelobe suppression problem in MIMO radar transmit beampattern matching design. In contrast to the traditional optimization algorithms that try to find the optimum solutions from feasible regions, the proposed method, starting from outside the feasible regions, aims to obtain a satisfactory solution from a series of optimal transmit beampatterns. We first standardized the sidelobe suppression problem in MIMO radar transmit beampattern matching design and put forward four criteria to guide the micro-adjustment to the desired beampattern. Then, the cosine method was proposed to adjust the desired beampattern as well as increase the main-to-sidelobe ratio (MSLR) of the transmit beampattern. Finally, several numerical examples were chosen to test the effectiveness and advantages of the proposed method.
Funder
National Natural Science Foundation of China
Subject
Electrical and Electronic Engineering,Computer Networks and Communications,Hardware and Architecture,Signal Processing,Control and Systems Engineering
Reference40 articles.
1. Fuhrmann, D.R., and Antonio, G.S. (2004, January 1). Transmit beamforming for MIMO radar systems using partial signal correlation. Proceedings of the Conference Record of the Thirty-Eighth Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, USA.
2. Aittomaki, T., and Koivunen, V. (2007, January 4–7). Signal covariance matrix optimization for transmit beamforming in MIMO radars. Proceedings of the Conference Record of the Forty-First Asilomar Conference on Signals, Systems and Computers, Pacific Grove, CA, USA.
3. MIMO Radar with Colocated Antennas;IEEE Signal Process. Mag.,2007
4. On probing signal design for MIMO radar;IEEE Trans. Signal Process.,2007
5. Transmit beamforming for MIMO radar systems using signal cross-correlation;IEEE Trans. Aerosp. Electron. Syst.,2008