Abstract—A computationally efficient algorithm is proposed for estimating the frequency of a quasi-harmonic signal in the presence of narrowband interference based on iterative calculation of the autocorrelation sequence. A feature of the algorithm is the use of an additional filtering procedure that improves its stability. Simulation results have confirmed the proximity of the estimates obtained to the theoretical boundaries.
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Kazakov, L.N., Lukyanov, I.V. & Shakhtarin, B.I. Computationally Efficient Algorithm for Estimating the Frequency of Signals at the Output of a Channel with White Gaussian Noise and Narrowband Interference. J. Commun. Technol. Electron. 64, 1360–1366 (2019). https://doi.org/10.1134/S106422691910005X
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DOI: https://doi.org/10.1134/S106422691910005X