基于优化序列提取的相控阵雷达识别方法

doi:10.12305/j.issn.1001-506X.2021.03.08

Abstract

Abstract:

Aiming at the problem of working pattern recognition of phased array radar, a radar recognition method based on optimized sequence extraction is proposed. Firstly, the working mode of searching and tracking for phased array radar is analyzed, and the working mode sequence model is established. Secondly, the operation process is simflified by eliminating the redundant data in Needleman-Wunsch method, an optimized radar signal common sequence extraction algorithm is proposed. Then, the efficiency of the proposed algorithm is proved by theory, and the evaluation criteria of the recognition effect for the algorithm is given. Finally, combined with the radar working model and the proposed algorithm, the radar recognition effect under different tracking conditions is simulated, and the operation times before and after optimization are compared. Simulation results show that the proposed algorithm has high efficiency under various tracking conditions, and can maintain a recognition rate of more than 91%.

Key words: phased array radar, emitter recognition, sequence extraction, optimization algorithm

CLC Number:

TN95

Ao LIU, Zheng ZHOU, Shuangming LI. Phased array radar recognition method based on optimized sequence extraction[J]. Systems Engineering and Electronics, 2021, 43(3): 656-665.

Figures/Tables 17

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工作模式	对应波形
H	10 μs脉压波形
I	55 μs脉压波形
J	27.5 μs脉压波形
K	5个55 μs脉冲构成的动目标显示波形
L	5个27.5 μs脉冲构成的动目标显示波形
M	13.75 μs脉压波形
N	6.88 μs脉压波形

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Phased array radar recognition method based on optimized sequence extraction

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