Efficient frequency estimation using the pulse-pair method at various lags

被引：27
作者：
Abeysekera, Saman S. [1 ]
机构：
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
来源：
IEEE TRANSACTIONS ON COMMUNICATIONS | 2006年 / 54卷 / 09期
关键词：
discrete Fourier transform (DFT); frequency estimation; maximum-likelihood (ML); pulse-pair (PP) technique;
D O I：
10.1109/TCOMM.2006.881204
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 pulse-pair (PP) method is an efficient time-domain-based technique of frequency estimation, which requires a very low number of Multiplications, thus ideally suited for field-programmable gate array-type hardware implementations. The optimum frequency estimation using the PP method needs a lag value equal to two-thirds of the signal length, and requires phase unwrapping that usually makes the technique computationally unattractive. In this letter, we propose efficient techniques for estimating frequency using the optimum PP method and multiple correlation lags.
引用
收藏
页码：1542 / 1546
页数：5
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