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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 Crame´r-Rao bound (ACRB) uniformly over the frequency estimation range.
Published in:
Signal Processing, IEEE Transactions on
(Volume:53
,
Issue:
4
)
Date of Publication: April 2005
- Page(s):
- 1237 - 1242
- ISSN :
- 1053-587X
- INSPEC Accession Number:
- 8344716
- Digital Object Identifier :
- 10.1109/TSP.2005.843719
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 21 March 2005
- Issue Date :
- April 2005
- Sponsored by :
- IEEE Signal Processing Society
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