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战场电磁环境中有源干扰定量表征研究
Quantitative analysis of active jamming in battlefield electromagnetic environment
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摘要: 战场电磁环境日益复杂、多变,对武器装备的正常使用带来很大影响.针对其中影响最剧烈的有源干扰,分别联系时域、频域和能量域三个方面对其进行分析,提出定量描述干扰的方法.通过能谱图结合能量计算公式的方式完成了对压制干扰的表征,通过相关性算法以及提出的频谱重叠度概念完成了对欺骗干扰的表征.同时,基于Simulink/Matlab仿真的结果分别验证了所提出的几种表征方法具有一定的有效性与可行性,该定量描述方法对于战场电磁环境的评估具有参考意义.Abstract: Battlefield electromagnetic environment is becoming more and more complex,which seriously affects the normal use of weapons and equipment.Active jamming is one of the most important menaces,and is the research object of this paper.According to the different characteristics of deception jamming and barrage jamming,this paper analyzes them from three aspects of time,frequency and energy,and presents the method of quantitative description of interference.It uses the energy spectrum and the formula of energy calculation to complete the characterization of barrage jamming,adopts the correlation algorithm and puts forward the concept of degree of coincidence spectrum to complete the characterization of deception jamming.The feasibility of the method is verified by Simulink/Matlab simulation.This quantitative description method is helpful for the evaluation of electromagnetic environment in battlefield.
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