Title :
A new algorithm of adaptive IIR notch filter for the detection of sinusoids
Author :
Tupchai, Pornpimon ; Benjangkaprasert, Chawalit ; Sangaroon, Ornlarp ; Janchitrapongvej, K.
Author_Institution :
Dept. of Inf. Eng., King Mongkut´´s Inst. of Technol., Bangkok, Thailand
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.
Keywords :
adaptive filters; gradient methods; mean square error methods; notch filters; signal detection; adaptive IIR notch filter; convergence speed; filter coefficient; gradient algorithm; second-order notch filter; sinusoid detection; steady-state mean square error; variance; Adaptive algorithm; Adaptive filters; Convergence; Frequency estimation; IIR filters; Interference cancellation; Mean square error methods; Signal processing algorithms; Signal to noise ratio; Steady-state;
Conference_Titel :
Circuits and Systems, 2002. APCCAS '02. 2002 Asia-Pacific Conference on
Print_ISBN :
0-7803-7690-0
DOI :
10.1109/APCCAS.2002.1115322
