脉压宽主瓣子阵MIMO雷达收发联合设计

doi:10.12305/j.issn.1001-506X.2026.08.09

Abstract

Abstract:

Fully digital array multiple input multiple output (MIMO) radar face significant cost challenges when the number of array elements is large. Employing a subarray MIMO architecture can effectively reduce system costs while retaining the high degrees of freedom inherent in MIMO radar. However, corresponding research on waveform optimization theory for this architecture remains relatively scarce. For subarray MIMO radar waveform optimization, this paper proposes a joint design algorithm integrating pulse compression wide mainlobe technique and transceiver co-optimization. The waveform optimization design is constrained by the overall system capability, and the waveform optimization criteria are studied under three scenarios: phased array, mono-peak, and dual-peak transmit beampattern. Simulation results demonstrate that the integrated waveform design algorithm combining pulse compression wide mainlobe with joint transceiver design improves waveform degrees of freedom, reduces the global peak sidelobe level by 4.88?6.54 dB, and endows the transmitted beam with multi-peak matching capability. The intended design effect is achieved.

Key words: subarray multiple-input multiple-output (MIMO) radar, waveform optimization, pulse compression wide mainlobe technology, joint transmit receive design

CLC Number:

TN958

Huixia SUN, Shenghua ZHOU, Xiaohe DU, Jingyi NAN, Xiaolu GUO, Mingcong LIN. Joint transceiver design for subarray MIMO radar with pulse compression wide mainlobe[J]. Systems Engineering and Electronics, 2026, 48(8): 2602-2614.

Figures/Tables 12

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References 41

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方向图	PSL	接收波束形成	通道1	通道2	全局
单峰	优化	否	−31.89	−	−31.89
	优化	是	−37.14	−	−37.14
	实际	否	−31.00	−	−31.00
	实际	是	−37.14	−	−37.14
双峰	优化	否	−32.50	−32.57	−32.50
	优化	是	−36.76	−36.70	−36.70
	实际	否	−31.99	−31.86	−31.86
	实际	是	−36.73	−36.68	−36.68

方向图	PSL	接收波束形成	通道1	通道2	全局
单峰	优化	否	−31.07	−	−31.07
	优化	是	−35.77	−	−35.77
	实际	否	−30.60	−	−30.60
	实际	是	−35.77	−	−35.77
双峰	优化	否	−31.82	−32.12	−31.82
	优化	是	−36.34	−36.10	−36.10
	实际	否	−31.40	−31.86	−31.40
	实际	是	−36.33	−36.10	−36.10

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[3]	ZHANG Xiang-yang， LIAO Gui-sheng， XU Jing-wei， XU Qing， WANG Xu. Waveform design for MIMO radar to improve target detection and parameter estimation [J]. Systems Engineering and Electronics, 2014, 36(8): 1494-1499.

Joint transceiver design for subarray MIMO radar with pulse compression wide mainlobe

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