Iterative frequency estimation by interpolation on Fourier coefficients

被引：366
|
作者：
Aboutanios, E [1 ]
Mulgrew, B [1 ]
机构：
[1] Univ Edinburgh, Sch Engn & Elect, Edinburgh EH9 3JL, Midlothian, Scotland
来源：
IEEE TRANSACTIONS ON SIGNAL PROCESSING | 2005年 / 53卷 / 04期
关键词：
D O I：
10.1109/TSP.2005.843719
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：
The estimation of the frequency of a complex exponential is a problem that is relevant to a large number of fields. In this paper, we propose and analyze two new frequency estimators that interpolate on the Fourier coefficients of the received signal samples. The estimators are shown to achieve identical asymptotic performances. They are asymptotically unbiased and normally distributed with a variance that is only 1.0147 times the asymptotic Cramer-Rao bound (ACRB) uniformly over the frequency estimation range.
引用
收藏
页码：1237 / 1242
页数：6
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