New Adaptive Algorithm for Unbiased and Direct Estimation of Sinusoidal Frequency

Thomas PITSCHEL; Hing-Cheung SO; Jun ZHENG

doi:10.1093/ietfec/e91-a.3.872

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences

Online ISSN : 1745-1337
Print ISSN : 0916-8508

Regular Section

New Adaptive Algorithm for Unbiased and Direct Estimation of Sinusoidal Frequency

Thomas PITSCHEL, Hing-Cheung SO, Jun ZHENG

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Keywords: adaptive filter, frequency estimation, fast algorithm

JOURNAL RESTRICTED ACCESS

2008 Volume E91.A Issue 3 Pages 872-874

DOI https://doi.org/10.1093/ietfec/e91-a.3.872

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Abstract

A new adaptive filter algorithm based on the linear prediction property of sinusoidal signals is proposed for unbiased estimation of the frequency of a real tone in white noise. Similar to the least mean square algorithm, the estimator is computationally simple and it provides unbiased as well as direct frequency measurements. Learning behavior and variance of the estimated frequency are derived and confirmed by computer simulations.

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