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多分量LFM雷达辐射源信号的经验模式分解

余志斌 金炜东

余志斌, 金炜东. 多分量LFM雷达辐射源信号的经验模式分解[J]. 西南交通大学学报, 2009, 22(1): 49-54.
引用本文: 余志斌, 金炜东. 多分量LFM雷达辐射源信号的经验模式分解[J]. 西南交通大学学报, 2009, 22(1): 49-54.
YU Zhibin, JIN Weidong. EMD for Multi-component LFM Radar Emitter Signals[J]. Journal of Southwest Jiaotong University, 2009, 22(1): 49-54.
Citation: YU Zhibin, JIN Weidong. EMD for Multi-component LFM Radar Emitter Signals[J]. Journal of Southwest Jiaotong University, 2009, 22(1): 49-54.

多分量LFM雷达辐射源信号的经验模式分解

基金项目: 

国家自然科学基金资助项目(60572143,60702026)

详细信息
    作者简介:

    余志斌(1977- ),男,博士研究生,研究方向为智能信号处理,E-mail:zbinyu@126.com

    通讯作者:

    金炜东(1959- ),男,教授,博士生导师,博士,研究领域为智能信息处理、系统仿真与优化,E-mail:wdjin@swjtu.edu.cn

EMD for Multi-component LFM Radar Emitter Signals

  • 摘要: 基于改进的经验模式分解,提出了多分量LFM雷达辐射源信号的分析方法.该方法用RBF神经网络对端点延拓削弱边界效应,将自相关函数与相关系数结合估计分量的数量,通过模式分解滤波和平均滑动消除噪声影响,以提高算法的分解精度.理论分析和实验表明,在较宽的信噪比范围内,使用该方法能够正确提取各分量信号的瞬时频率和有效地估计多分量LFM辐射源信号的分量数量.

     

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出版历程
  • 收稿日期:  2008-01-09
  • 刊出日期:  2009-02-18

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