通信辐射源瞬态特征提取和个体识别方法

J4 ›› 2009, Vol. 36 ›› Issue (4): 736-740.

通信辐射源瞬态特征提取和个体识别方法

陆满君^1,2;詹毅²;司锡才¹;杨小牛²

(1. 哈尔滨工程大学信息与通信工程学院，黑龙江哈尔滨 150001；
2. 通信系统信息控制技术国家级重点实验室，浙江嘉兴 314033)

收稿日期:2008-11-13 出版日期:2009-08-20 发布日期:2009-09-28
通讯作者: 陆满君
基金资助:
国家级重点实验室基金资助(9140C13050108DZ46)

Extraction of the transient characteristics of the communication radiating source and individual indentification

LU Man-jun^1,2;ZHAN Yi²;SI Xi-cai¹;YANG Xiao-niu²

(1. School of Info. and Comm. Eng., Harbin Eng. Univ. , Harbin 150001， China;
2. National Lab. of Info. Control Tech. for Comm. System, Jiaxing 314033， China)

Received:2008-11-13 Online:2009-08-20 Published:2009-09-28
Contact: LU Man-jun

摘要/Abstract

摘要：

通信信号的个体识别是近年来非合作通信领域一个重要研究课题．根据瞬态信号的非线性特征，采用递归图的分析方法提取瞬态信号的起始时刻，然后采用小波变换进行特征提取，在此基础上采用遗传算法挑选出分辨能力强的特征，利用支持向量机分类器实现对通信辐射源信号的个体识别．实验结果表明该方法用较少的特征获得较高的正确识别率，正确识别率大于90％．

关键词: 辐射源识别, 细微特征, 特征选择, 小波变换, 遗传算法

Abstract:

Individual communication signals identification is an important issue in the field of communication reconnaissance in recent years. The recurrence plot method is proposed to detect the start-up point of the transient signals, which is based on the nonlinear characteristics of the transient signal. Wavelet transform is used to extract features from the transmitters. The most discriminatory features are selected from a large number of wavelet transform features by genetic algorithms, and Support Vector Machines (SVM) are used to realize the individual identification. Experimental results show that the introduced method achieves good accuracy recognition rate in terms of a little features as reference, with the accuracy recognition being more than 90％.

Key words: transmitter identification, fine feature, feature selection, wavelet transforms, genetic algorithms

中图分类号:

TN971

陆满君;詹毅;司锡才;杨小牛. 通信辐射源瞬态特征提取和个体识别方法[J]. J4, 2009, 36(4): 736-740.

LU Man-jun;ZHAN Yi;SI Xi-cai;YANG Xiao-niu. Extraction of the transient characteristics of the communication radiating source and individual indentification[J]. J4, 2009, 36(4): 736-740.

参考文献

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