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Parallel Implementation of a Kalman-Based Sinusoidal Estimator

Kiyoshi NISHIYAMA

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Summary :

Phase-based methods for estimating the frequency of a sinusoid have typically suffered from a threshold effect, where for signal to noise ratio (SNR) below the threshold, the mean squared error of the estimate rapidly increases. Furthermore, it is a significant problem that the threshold is considerably high and strongly depends on frequency. To overcome the difficulties, a Kalman-based sinusoidal estimator bank (KSEB) is proposed. In the derivation of the KSEB, a four-channel filter bank and decimation technique are effectively used. The computer simulation also demonstrates the superiority of the KSEB to the other frequency estimators.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E84-A No.12 pp.3174-3176
Publication Date
2001/12/01
Publicized
Online ISSN
DOI
Type of Manuscript
LETTER
Category
Digital Signal Processing

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