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脉冲噪声下基于相关熵的相干分布源DOA估计新方法

蔡睿妍 杨力 钱杨

蔡睿妍, 杨力, 钱杨. 脉冲噪声下基于相关熵的相干分布源DOA估计新方法[J]. 电子与信息学报, 2020, 42(11): 2600-2606. doi: 10.11999/JEIT200325
引用本文: 蔡睿妍, 杨力, 钱杨. 脉冲噪声下基于相关熵的相干分布源DOA估计新方法[J]. 电子与信息学报, 2020, 42(11): 2600-2606. doi: 10.11999/JEIT200325
Ruiyan CAI, Li YANG, Yang QIAN. A Novel DOA Estimation Method for Coherently Distributed Sources Based on Correntropy in the Impulsive Noise[J]. Journal of Electronics & Information Technology, 2020, 42(11): 2600-2606. doi: 10.11999/JEIT200325
Citation: Ruiyan CAI, Li YANG, Yang QIAN. A Novel DOA Estimation Method for Coherently Distributed Sources Based on Correntropy in the Impulsive Noise[J]. Journal of Electronics & Information Technology, 2020, 42(11): 2600-2606. doi: 10.11999/JEIT200325

脉冲噪声下基于相关熵的相干分布源DOA估计新方法

doi: 10.11999/JEIT200325
基金项目: 国家自然科学基金(61671105, 61901080)
详细信息
    作者简介:

    蔡睿妍:女,1979年生,副教授,研究方向为阵列信号处理、卫星通信

    杨力:女,1982年生,教授,研究方向为空间信息网络传输技术、无线通信网络协议理论与方法

    钱杨:男,1994年生,硕士生,研究方向为网络资源优化

    通讯作者:

    杨力 yangli945@126.com

  • 中图分类号: TN911.7

A Novel DOA Estimation Method for Coherently Distributed Sources Based on Correntropy in the Impulsive Noise

Funds: The National Natural Science Foundation of China (61671105, 61901080)
  • 摘要: 针对复杂电磁环境下被动无线监测定位问题,该文提出广义相关熵的概念,推导了广义相关熵的性质,用以抑制阵列输出信号中的脉冲噪声。为了实现脉冲噪声环境下相干分布源中心DOA和扩散角的联合估计,提出基于广义相关熵的DOA估计新方法,并证明了该方法的有界性。为进一步提升算法的鲁棒性,推导了一种仅依赖阵列输出信号的自适应核函数。仿真结果表明,该算法能够实现脉冲噪声环境下相干分布源参数的联合估计,相比已有算法,具有更高的估计精度和鲁棒性。
  • 图  1  不同特征指数下的算法中心DOA估计性能曲线

    图  2  不同广义信噪比下的算法中心DOA估计性能曲线

    图  3  不同参数下的算法扩散角估计性能曲线

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出版历程
  • 收稿日期:  2020-04-28
  • 修回日期:  2020-10-19
  • 网络出版日期:  2020-10-26
  • 刊出日期:  2020-11-16

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