Unbiased constrained adaptive IIR notch filter using direct frequency estimation algorithm

Punchalard, R.; Lorsawatsiri, A.; Loetwassana, W.; Koseeyaporn, J.; Wardkein, P.; Roeksabutr, A.

doi:10.1109/APCC.2007.4433468

Unbiased constrained adaptive IIR notch filter using direct frequency estimation algorithm

Author(s)

Punchalard, R.

Lorsawatsiri, A.

Loetwassana, W.

Koseeyaporn, J.

Wardkein, P.

Roeksabutr, A.

Date Issued

December 1, 2007

Type

Conference Paper

DOI

10.1109/APCC.2007.4433468

Abstract

An unbiased constrained direct adaptive IIR notch filter is presented in this paper. The proposed algorithm employs the bias removal technique to remove the bias existing in the estimate of the filter parameter, resulting in good estimate of filter parameter. The theoretical analysis for the difference equation for the convergence in the mean is derived in closed form and confirmed by the computer simulations. ©2007 IEEE.

Citation

2007 Asia Pacific Conference on Communications Apcc, 453-456, 2007