掩护信号抗转发干扰技术研究

胡祺勇; 谢军伟; 张浩为; 张昭建; 盛川

doi:10.15892/j.cnki.djzdxb.2017.04.039

2017 , Vol. 37 >Issue 4: 171 - 172

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2017.04.039

摘要

针对弹载干扰机的恒功率转发式干扰,提出了基于掩护信号的抗干扰技术。首先对干扰机的恒功率放大特性进行了分析,利用功率增益压制效应,减弱其对探测雷达的干扰功率。在此基础上,建立间歇采样直接转发(ISDR)干扰的信号模型,对探测雷达的抗干扰效果进行了研究。仿真结果表明,该方法可有效增强探测雷达对抗转发式干扰的能力,提高作用距离。

关键词： 弹载干扰机; 恒功率放大特性; 间歇采样直接转发; 掩护信号

本文引用格式

胡祺勇 , 谢军伟 , 张浩为 , 张昭建 , 盛川 . 掩护信号抗转发干扰技术研究[J]. 弹箭与制导学报, 2017 , 37(4) : 171 -172 . DOI: 10.15892/j.cnki.djzdxb.2017.04.039

Abstract

Aiming at the constant power forward jamming of the missile borne jammer, the anti-jamming technique based on the screen signal was put forward. Firstly, the constant-power amplification characteristics of jammer were analyzed. Its interference power to the detection radar was reduced by adopting power gain suppression effect. On this basis, the signal model for intermittent sampling direct transmission (ISDR) interference was built, and the anti-jamming effect of the detection radar was studied. The simulation results showed that this method could effectively enhance the ability that detecting radar resisted repeater jamming and improve the range of action.

Key words： missile borne jammer; constant-power amplification characteristics; interrupted-sampling and direct repeat; screen signal

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