A SIMPLE ALGORITHM FOR SIMULTANEOUS SINE SIGNAL PARAMETERS ESTIMATION
Predrag B. PetroviŠ
This paper presents a new algorithm based on the use of partial derivatives of the processed signal and the weighted estimation procedure to estimate the fundamental frequency, the amplitude and the phase of sinusoidal signal. The proposed algorithm is able to estimate the signal parameters simultaneously, supposing the time-varying frequency. The simulation results verify the effectiveness of the proposed algorithm.
Keywords: parameters estimation, sine signal, partial differentiation, oversampling, finite-impulse response (FIR) digital differentiator