一种新型的低旁瓣MIMO雷达发射波形设计方法

doi:10.11999/JEIT171069

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Abstract A novel low sidelobe method is proposed through the improvement of the classical method of MIMO radar transmit waveform design. Firstly, two parameters, involving the lower boundary and the upper boundary of the mainlobe of the transmitted waveform, are introduced. While the value of the lower boundary is given. Secondly, a semidefinite programing optimization problem is established, whose objective function is minimization of peak-sidelobe or integrated-sideloble. The transmit waveform covariance is semi-positive and the signal power of each array element is fixed. Further, the restriction on the mainlobe fluctuation is added to the constraint of the optimization problem. What’s more, if the upper boundary is changed, the mainlobe fluctuation and sidelobe will be changed simultaneously. Finally, only once convex optimization algorithm is used to obtain the global optimal solution. The simulation results show that the proposed method has the advantages that the sidelobe is lower and can be contolled

Key words： MIMO radar Transmit waveform design Low sidelobe

Received: 16 November 2017 Published: 11 May 2018

PACS:

TN958

Fund:The National Natural Science Foundation of China (61671359), The Fundamental Research Funds for the Central Universities of China (JB180210)

Corresponding Authors: DAI Fengzhou E-mail: fzdai@xidian.edu.cn

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	ZHANG Bo
	DAI Fengzhou
	FENG Dazheng

Cite this article:

ZHANG Bo,DAI Fengzhou,FENG Dazheng. A New Method for the Design of Low Sidelobe Transmit Waveform of MIMO Radar[J]. JEIT, 2018, 40(8): 1809-1815.

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http://jeit.ie.ac.cn/EN/10.11999/JEIT171069 OR http://jeit.ie.ac.cn/EN/Y2018/V40/I8/1809

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