应用科学学报 ›› 2012, Vol. 30 ›› Issue (6): 559-565.doi: 10.3969/j.issn.0255-8297.2012.06.001

• 通信工程 • 上一篇    下一篇

通信源个体特征的多目标优化辨识

唐智灵1,2, 杨小牛3, 李建东1   

  1. 1. 西安电子科技大学通信工程学院,西安710071
    2. 桂林电子科技大学电子工程与自动化学院,广西桂林541004
    3. 通信信息控制和安全技术国家重点实验室,浙江嘉兴314033
  • 收稿日期:2011-10-20 修回日期:2012-05-02 出版日期:2012-11-27 发布日期:2012-05-02
  • 通信作者: 唐智灵,博士生,研究方向:通信信号特征自动识别,E-mail:tzl888@guet.edu.cn;
  • 作者简介:唐智灵,博士生,研究方向:通信信号特征自动识别,E-mail:tzl888@guet.edu.cn;杨小牛,研究员,博导,研究方向:通信对抗、软件无线电与认知无线电,E-mail:jec@jec.com.cn
  • 基金资助:

    国家杰出青年科学基金(No. 60725105);国家“973”重点基础研究发展计划基金(No. 2009CB320404)资助

Identification of Radio Communication Source with Multi-object Optimization

TANG Zhi-ling1,2, YANG Xiao-niu3, LI Jian-dong1   

  1. 1. School of Communication Engineering, Xidian University, Xi’an 710071, China
    2. School of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guilin 541004,
    Guangxi Province, China
    3. Science and Technology on Communication Information Security Control Laboratory, Jiaxing 314033,
    Zhejiang Province, China
  • Received:2011-10-20 Revised:2012-05-02 Online:2012-11-27 Published:2012-05-02

摘要: 为了实现对通信源个体特征的辨识,提出一种利用高阶累积量的多目标优化求解特征量方法. 将射频功率放大器的等效模型变换为多输入-单输出系统,导出了系统输入信号累积量与输出信号累积量之间的关系式. 通过多目标遗传优化算法求解方程,可获得射频功放的个体特征. 仿真实验验证了方程的正确性,特征量优化估计值与直接计算值很接近,表明该算法能正确辨识通信源的个体特征.

关键词: 通信源, 盲辨识, 非线性, 累积量, 个体特征

Abstract: To identify personality of a radio signal, a new method of multi-object optimization is proposed to solve a system of high order cumulants equations. The power amplifier model is first shown to be equivalent to a multi-input single-output system. A system of equations is derived from the cumulant relation between input and output. The system is solved with multi-object genetic optimization to obtain the features. The system of equations is verified by simulation, and the results of estimation are compared with computed values, showing that the proposed method can extract features from the received signal only with minor errors.

Key words: communication source, blind identification, nonlinear, cumulant, personality

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