A new algorithm of adaptive IIR notch filter for the detection of sinusoids
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Abstract
This paper aims to improved the convergence speed, steady-state mean square error and variance of the filter coefficient. The proposed adaptive algorithm is for a second-order adaptive IIR notch filter based on gradient algorithm. The simulation results shown that the proposed algorithm provides fast convergence speed, and has low steady-state mean square error and low variance of filter coefficient.
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Keywords
Adaptive algorithm, Adaptive filters, Convergence, Frequency estimation, IIR filters, Interference cancellation, Mean square error methods, Signal processing algorithms, Signal to noise ratio, Steady-state
Citation
IEEE Asia Pacific Conference on Circuits and Systems Proceedings Apccas, 2, 505-508, 2002