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
收藏
页码：1248 / 1250
页数：3
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