Simultaneous maximum likelihood estimation of time delay and time scaling

被引：0
|
作者：
Carlson, JE [1 ]
Sjöberg, F [1 ]
机构：
[1] Lulea Univ Technol, Dept CSEE, EISLAB, SE-97187 Lulea, Sweden
来源：
NORSIG 2004: PROCEEDINGS OF THE 6TH NORDIC SIGNAL PROCESSING SYMPOSIUM | 2004年 / 46卷
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper we present a simultaneous maximum likelihood estimator (ML)for time delay, and time-scaling in the presence of additive white Gaussian Noise. The Cramer-Rao lower bound for the variance of the estimates is also derived. The performance of the estimator is evaluated for ultrasound echoes for different time-scalings and different lime delays. The performance is compared to the standard cross-correlation estimator.
引用
收藏
页码：260 / 263
页数：4
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