PERFORMANCE ANALYSIS OF A CORRELATION-BASED SINGLE TONE FREQUENCY ESTIMATOR

被引：19

作者：

HANDEL, P

ERIKSSON, A

WIGREN, T

机构：

[1] Systems and Control Group, Uppsala University, S-751 03 Uppsala

来源：

SIGNAL PROCESSING | 1995年 / 44卷 / 02期

关键词：

FREQUENCY ESTIMATION; SPECTRAL LINE ANALYSIS; STATISTICAL ANALYSIS;

D O I：

10.1016/0165-1684(95)00026-A

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper analyzes the frequency error variance of a low complexity single tone frequency estimator based on sample correlations of the input data. In the high SNR scenario it is analytically shown that the accuracy of a properly tuned algorithm is nearly optimal, i.e. nearly attains the Cramer-Rao lower bound. For low SNR the statistical efficiency of the algorithm is degraded, but it is analytically proven that for a large number of samples the error variance attains the lower bound for this class of estimators.

引用

页码：223 / 231

页数：9

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