Time Delay Estimator Based on Frequency Estimation Approach

被引：0

作者：

Lui, Kenneth Wing Kin ^{[1
]}

So, Hing Cheung ^{[1
]}

机构：

[1] City Univ Hong Kong, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China

来源：

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2010年 / E93A卷 / 06期

关键词：

time delay estimation; frequency estimation;

D O I：

10.1587/transfun.E93.A.1248

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this Letter, the problem of estimating the time-difference-of-arrival between signals received at two spatially separated sensors is addressed. By taking discrete Fourier transform of the sensor outputs, time delay estimation corresponds to finding the frequency of a noisy sinusoid with time-varying amplitude. The generalized weighted linear predictor is utilized to estimate the time delay and it is shown that its estimation accuracy attains Cramer-Rao lower bound.

引用

页码：1248 / 1250

页数：3

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