Estimation of frequency, amplitude, and phase from the DFT of a time series

Barry G. Quinn

doi:10.1109/78.558515

Estimation of frequency, amplitude, and phase from the DFT of a time series

Barry G. Quinn^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

281 Citations (Scopus)

Abstract

In a previous paper, a frequency estimator using only three Fourier coefficients was introduced, which has asymptotic variance of order T 3. In this correspondence, a similar technique of Rife and Vincent is shown to have asymptotic variance of larger order. A new estimator is introduced that has asymptotic variance less than 1.65 times the CRLB.

Original language	English
Pages (from-to)	814-817
Number of pages	4
Journal	IEEE Transactions on Signal Processing
Volume	45
Issue number	3
DOIs	https://doi.org/10.1109/78.558515
Publication status	Published - 1997
Externally published	Yes

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Estimation of frequency, amplitude, and phase from the DFT of a time series

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