Research of Time Delay Estimation Using Higher Order Statistics

被引：0
|
作者：
Liu Qing [1 ]
Dong Zhong [1 ]
Zhang Lijun [1 ]
Zhao Xiaolong [1 ]
机构：
[1] Tianshui Normal Univ, Sch Phys & Informat Sci, Tianshui 741001, Peoples R China
来源：
ISTM/2011: 9TH INTERNATIONAL SYMPOSIUM ON TEST AND MEASUREMENT | 2011年
关键词：
TDE; HOS; Correlation; Bispectrum; Cumulant;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The time delay estimation (TDE) is one of the most important techniques of characterization signal parameter. Delay parameter estimation is active in the field of signal processing. In this paper, On the basis of the basic theory method of time delay, the correlated time delay estimation, mutual-cumulants estimation and bispectrum estimation are analyzed and discussed. Theoretical analysis and experimental results show that three methods is effectively used in time delay test, but higher order statistics (HOS) method can achieve the best effect. The HOS estimation method has many advantages, such as time delay estimation accuracy, high relative error small for Gaussian noise elimination ability.
引用
收藏
页码：9 / 12
页数：4
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