Fractional time delay estimation algorithm based on the fractional lower order moment

LIU Wen-hong1; 2; QIU Tian-shuang1; HU Ting-ting1; LUAN Lian-yi3

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Fractional time delay estimation algorithm based on the fractional lower order moment

更新时间：2024-10-14

- Fractional time delay estimation algorithm based on the fractional lower order moment
- Issue 12, Pages: 37-42(2006)
- 作者机构：
  
  大连理工大学电子与信息工程学院 2. 大连市无线电管理委员会办公室
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.7
- Published：2006
- 稿件说明：
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LIU Wen-hong1, 2, QIU Tian-shuang1, et al. Fractional time delay estimation algorithm based on the fractional lower order moment[J]. 2006, (12): 37-42.
DOI：

LIU Wen-hong1, 2, QIU Tian-shuang1, et al. Fractional time delay estimation algorithm based on the fractional lower order moment[J]. 2006, (12): 37-42. DOI：

摘要

依据信号的噪声特性和分数低阶矩理论

提出一种基于最小平均p范数的非整数时间延迟估计方法(称为LMPFTDE算法)。该算法是对直接估计非整数采样间隔的时间延迟估计算法(ETDGE)的广义化

运用最小分散系数准则

通过使误差的p阶矩最小得到非整数时间延迟估计值。理论分析和计算机仿真结果都表明该方法不仅可以在高斯噪声环境下工作

而且在脉冲噪声下也具有良好的健壮性。

Abstract

According to the noise characteristics in signal

a fractional time delay estimation algorithm referred to as LMPFTDE was proposed based on the least mean p-norm. This approach generalized the explicit time delay gain estima-tion （ETDGE） algorithm using the least dispersion criterion. The fractional time delay estimation value could be obtained by minimizing the pth order moment of the error signal. It is shown by theoretical analysis and computer simulations that the proposed method is robust for both Gaussian and non-Gaussian impulsive noise environments.

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