一种雷达辐射源信号脉内特征的综合评估方法

doi:10.19665/j.issn1001-2400.2019.05.002

Abstract

Abstract:

In order to solve the problem of sorting of the single evaluation index of in-pulse characteristics in radar emitter signals, this paper proposes a novel method for evaluation of in-pulse characteristics. First, a three-layer index evaluation system of in-pulse characteristics is established, and the feature evaluation index is measured and normalized based on the established evaluation system. And then, the interval analytic hierarchy process based on the expert prior knowledge and the actual environment is used to determine the index weight interval, and the nonlinear equation optimization model is established by employing the improved projection pursuit algorithm. Finally, the non-monotone projection spectral gradient algorithm is used to achieve the subjective and objective decision fusion. Simulation results show that the proposed method can give the best in-pulse feature evaluation results according to the specific electromagnetic environment and is more comprehensive than the existing methods.

Key words: radar emitter, characteristics evaluation, in-pulse characteristics, interval analytic hierarchy process, projection pursuit, decision fusion

CLC Number:

TN956

LIU Mingqian,LI Kunming,WANG Chuanchuan,ZHANG Shun. Method for comprehensive evaluation of in-pulse characteristics of radar emitter signals[J].Journal of Xidian University, 2019, 46(5): 8-14.

Figures/Tables 7

时间复杂度	空间复杂度	类内类间距离	M距离	B距离	分布指标	信噪比影响显著性	信噪比敏感性	特征抗噪性	类型适应性	参数适应性
$[0.8750, 0.8843]$	$[0.1157, 0.1250]$	$[0.7065, 0.7415]$	$[0.1461, 0.1739]$	$[0.1124, 0.1196]$	$[0.0398, 0.0482]$	$[0.3018, 0.3115]$	$[0.2942, 0.3018]$	$[0.3461, 0.3566]$	$[0.4800, 0.5200]$	$[0.4800, 0.5200]$

References 20

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环境	复杂性	分离性	稳定性	适应性
模拟环境一	[0.3225,0.3442]	[0.1209,0.1423]	[0.3049,0.3118]	[0.2231,0.2303]
模拟环境二	[0.0406,0.0422]	[0.4819,0.4843]	[0.3786,0.3856]	[0.0879,0.0989]

环境	复杂度	分离性	稳定性	适应性
模拟环境一	0.3442	0.1352	0.3049	0.2231
模拟环境二	0.0414	0.4827	0.3786	0.0879

Method for comprehensive evaluation of in-pulse characteristics of radar emitter signals

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References 20

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