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This paper presents a modified combined approach using Taylor series expansion and Extended Kalman filter for accurate estimation of parameters and harmonic components of a time-varying signal embedded in noise with low signal-to-noise ratio. The signal is modelled using a dynamic model with time varying parameters. The power signal with a changing envelope has been expressed using a second order...
This paper proposes a new modified approach using Least square algorithm associated with a ridge regression factor and Taylor expansion for estimation of fundamental frequency and phasor of the fundamental frequency component with time varying envelope. The signal considered comprises of decaying dc component and fundamental frequency component which are expressed in terms of Taylor coefficients upto...
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