基于目标联合特征提取的脉冲多普勒引信抗干扰方法

doi:10.3969/j.issn.1000-1093.2019.02.001

兵工学报 ›› 2019, Vol. 40 ›› Issue (2): 225-233.doi: 10.3969/j.issn.1000-1093.2019.02.001

基于目标联合特征提取的脉冲多普勒引信抗干扰方法

代健¹，李泽²，郝新红¹，栗苹¹

(1.北京理工大学机电动态控制重点实验室，北京 100081； 2.空军研究院，北京 100085）

收稿日期:2018-06-07 修回日期:2018-06-07 上线日期:2019-04-08
通讯作者: 郝新红（1974—），女，副教授，博士生导师 E-mail:haoxinhong@bit.edu.cn
作者简介:代健（1994—），男，博士研究生。 E-mail: 646493245@qq.com
基金资助:
国家自然科学基金项目（61871414）

Anti-jamming Method for Pulse Doppler Fuze Based on Joint Feature Extraction of Target Signal

DAI Jian¹, LI Ze², HAO Xinhong¹, LI Ping¹

(1.Science and Technology on Electromechanical Dynamic Control Laboratory， Beijing Institute of Technology, Beijing 100081, China;2. Research Institute OF PLAAF, Beijing 100085， China)

Received:2018-06-07 Revised:2018-06-07 Online:2019-04-08

摘要/Abstract

摘要： 针对脉冲多普勒（PD）引信对抗信息型干扰能力不足的问题，提出一种基于目标联合特征提取的PD引信抗干扰方法。基于信息型干扰下PD引信基带滤波器的输出信号，结合PD引信目标函数，并利用二分类与单分类支持向量机构造引信期望信号空间，设计了基于目标联合特征提取和识别的PD引信原理样机。进行了抗干扰实验验证，结果表明，基于目标联合特征提取的PD引信原理样机抗干扰成功率大于90%，从而可知该方法能够显著提高PD引信抗干扰能力。

关键词: 脉冲多普勒引信, 目标函数, 特征提取, 支持向量机

Abstract: An anti-jamming method based on the joint feature extraction of target signal for pulse Doppler (PD) fuze is proposed for the inadequate capacity of PD fuze against information type jamming. The output signal of fuze baseband filter is analyzed in consideration with the target function, and an expected target space is constructed using both two-class and one-class support vector machines (SVMs). The proposed method is verified through prototype test. The experimental results indicate that the prototype of PD fuze achieves more than 90 percent success rate in anti-jamming, which can significantly improve the anti-jamming ability of pulse Doppler fuze. Key

Key words: pulseDopplerfuze, targetfunction, featureextraction, supportvectormachine

中图分类号:

TJ43⁺4.1

代健，李泽，郝新红，栗苹. 基于目标联合特征提取的脉冲多普勒引信抗干扰方法[J]. 兵工学报, 2019, 40(2): 225-233.

DAI Jian, LI Ze, HAO Xinhong, LI Ping. Anti-jamming Method for Pulse Doppler Fuze Based on Joint Feature Extraction of Target Signal[J]. Acta Armamentarii, 2019, 40(2): 225-233.

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基于目标联合特征提取的脉冲多普勒引信抗干扰方法

Anti-jamming Method for Pulse Doppler Fuze Based on Joint Feature Extraction of Target Signal

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