Daniel Belega Dominique Dallet Dario Petri Accuracy of the Normalized Frequency Estimation of a Discrete-Time Sine-Wave by the Energy-Based Method. 111-121 2012 61 IEEE Trans. Instrum. Meas. 1 https://doi.org/10.1109/TIM.2011.2159318 db/journals/tim/tim61.html#BelegaDP12