天波雷达对空探测任务下积累时间自适应优化设置研究

doi:10.12305/j.issn.1001-506X.2021.04.07

Abstract

Abstract:

In view of the blindness of setting coherent accumulation time manually, which cannot give full play to the detection performance of the sky-wave OTHR, the adaptive accumulation time setting optimization method is designed for air targets detection. Firstly, the influence factors of accumulation time on the detection performance of the sky-wave OTHR are analyzed. Secondly, the optimal values of signal time width and accumulation number are calculated. Thirdly, a method of setting accumulation time adaptively is proposed. Finally, the experiment shows that the method in this paper can improve the radar detection performance.

Key words: accumulated time, signal-to-noise ratio, setting optimization, detection performance

CLC Number:

TN957

Guoshi WANG, Wei HAN, Chaowei ZHANG, Liangfa HUA. Research on adaptive setting optimization of accumulation time for the sky-wave OTHR detecting air targets[J]. Systems Engineering and Electronics, 2021, 43(4): 911-916.

Figures/Tables 3

References 18

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工作方式		漏点率/%		所有点迹信噪比均值/dB
工作方式		传统方式	本文方式	本文方式	传统方式	差值
搜索		9.50	8.20	14.52	13.96	0.56
跟踪		2.64	0.88	18.65	16.79	1.86
边搜索	搜索波位	6.12	5.44	14.39	13.88	0.51
边跟踪	跟踪波位	2.12	0.64	17.51	16.35	1.16

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Research on adaptive setting optimization of accumulation time for the sky-wave OTHR detecting air targets

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