基于最小CIM准则的Farrow结构分数时延估计

于玲; 邱天爽

doi:10.11959/j.issn.1000-436x.2015024

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基于最小CIM准则的Farrow结构分数时延估计

学术通信 | 更新时间：2024-06-05

- 基于最小CIM准则的Farrow结构分数时延估计
- Fractional time delay estimation method based on the minimum CIM and the Farrow structure
- 通信学报 2015年36卷第1期页码：218-223
- 作者机构：
  
  1. 大连理工大学电子信息与电气工程学部，辽宁大连 116024
  2. 辽宁工业大学电子与信息工程学院，辽宁锦州 112021
- 作者简介：
  
  [ "于玲（1979-），女，辽宁鞍山人，大连理工大学博士生，辽宁工业大学讲师，主要研究方向为非高斯信号处理。" ]
  [ "邱天爽（1954-），男，江苏海门人，大连理工大学教授、博士生导师，主要研究方向为数字信号处理的理论与应用等。" ]
- 基金信息：
  
  国家自然科学基金资助项目(61172108);国家自然科学基金资助项目(61139001);国家自然科学基金资助项目(81241059);国家科技支撑计划基金资助项目(2012BAJ18B06)
- DOI：10.11959/j.issn.1000-436x.2015024
  中图分类号： TN911.7
- 网络首发：2015-01，
  
  纸质出版：2015-01-25
- 稿件说明：
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于玲, 邱天爽. 基于最小CIM准则的Farrow结构分数时延估计[J]. 通信学报, 2015,36(1):218-223.

ULing Y, IUTian-shuang Q. Fractional time delay estimation method based on the minimum CIM and the Farrow structure[J]. Journal on Communications, 2015, 36(1): 218-223.
于玲, 邱天爽. 基于最小CIM准则的Farrow结构分数时延估计[J]. 通信学报, 2015,36(1):218-223. DOI： 10.11959/j.issn.1000-436x.2015024.

ULing Y, IUTian-shuang Q. Fractional time delay estimation method based on the minimum CIM and the Farrow structure[J]. Journal on Communications, 2015, 36(1): 218-223. DOI： 10.11959/j.issn.1000-436x.2015024.

摘要

提出了一种基于最小相关熵诱导距离（CIM）和Farrow结构的分数时延估计算法。该算法具有较强的抗脉仲噪声的能力，且所需观测数据较少，时延估计结果精度较高。理论分析和仿真实验表明，所提算法的估计精度和抗脉仲噪声性能均优于基于分数低阶统计量的LETDE算法。

Abstract

A fractional time delay estimation algorithm is proposed which is based on the minimum CIM and the Farrow structure (referred to as MCIMFarrow).The proposed MCIMFarrow algorithm performs well in symmetric Alpha stable noise conditions.And it needs little observation data to gain high accuracy estimation results.The theoretical analyses and the simulation results show that the MCIMFarrow is much better than the LETDE algorithm based on the fractional lower order moments in the accuracy of the time delay estimation and the robustness in impulsive noise conditions.

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references

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