α-spectrum estimation method for ARMA SαS process based on FLOC

WANG Shou-yong1; ZHU Xiao-bo2

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α-spectrum estimation method for ARMA SαS process based on FLOC

更新时间：2024-10-14

- α-spectrum estimation method for ARMA SαS process based on FLOC
- Issue 7, Pages: 98-103(2007)
- 作者机构：
  
  1. 空军雷达学院军队重点实验室
  2. 空军雷达学院研究生管理大队
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.23
- Published：2007
- 稿件说明：
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WANG Shou-yong1, ZHU Xiao-bo2. α-spectrum estimation method for ARMA SαS process based on FLOC[J]. 2007, (7): 98-103.
DOI：

WANG Shou-yong1, ZHU Xiao-bo2. α-spectrum estimation method for ARMA SαS process based on FLOC[J]. 2007, (7): 98-103. DOI：

摘要

分析了基于分数低阶矩(FLOM)估计ARMA SαS模型参数的不足

根据分数低阶协方差(FLOC)的概念

提出了一种基于分数低阶协方差系数估计ARMA SαS模型参数的方法。在此基础上

给出了ARMA SαS模型的α谱估计。通过对给定ARMA SαS模型的α谱估计、α稳定分布噪声中正弦信号的估计与分辨进行仿真

详细比较了基于FLOM的ARMA SαS模型α谱估计和基于FLOC的ARMA SαS模型α谱估计的性能。结果表明

α值较小时

基于FLOC的ARMA SαS模型α谱估计的性能明显优于基于FLOM的ARMA SαS模型α谱估计。

Abstract

The drawback of the parameter estimation method for ARMA SαS process based on fractional lower order moments（FLOM） was analyzed

and based on the conception of fractional lower order covariance（FLOC）

a new parameter estimation method of ARMA SαS process was proposed based on FLOC coefficient.Then

the α-spectrum estimation of ARMA SαS process was presented.By estimating the α-spectrum of ARMA SαS process and the sinusoidal signals that embedded in the α-stable noise

the α-spectrum estimation performances of ARMA SαS process based on FLOM and FLOC were compared in detail.Simulation results show that

for small values of alpha

the performance of the proposed α-spectrum estimation method for ARMA SαS process based on FLOC provides better performance than the method based on FLOM.

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