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Coarse frequency estimation using the discrete Fourier transform (Corresp.)

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1 Author(s)

The discrete Fourier transform (DFT) is applied as a coarse estimator of the frequency of a sine wave in Gaussian noise. Probability of anomaly and the variance of the estimation error are determined by computer simulation for several DFT block sizes as a function of signal energy-to-noise density ratio mathcal{E}/N_0 . Several data windows are considered, but uniform weighting gives the best performance.

Published in:

IEEE Transactions on Information Theory  (Volume:20 ,  Issue: 1 )