1. B. Bischi, "frequency estimation by DFT interpolation:Acomparison of methods," technical report, 06 2009.
2. Sen, Z., Jiulong, W., & Dengyun, Y.. Frequency estimation using nonlinear least squares and S-Transform. (2010, October) IEEE. (Vol. 1, pp. 138–142).
3. A New and Accurate Estimator With Analytical Expression for Frequency Estimation
4. Davis, S., & Bucher, I.. A new approach to single-tone frequency estimation via linear least squares curve fitting. (2019)
5. Almoosawy, A. N., Hussain, Z., & Murad,. Frequency estimation of single-tone sinusoids under additive and phase noise.. (2014