Title :
An adaptive IIR filter with constraints on the output power level
Author :
Kozacky, Walter J. ; Ogunfunmi, Tokunbo
Author_Institution :
Dept. of Electr. Eng., Santa Clara Univ., Santa Clara, CA, USA
Abstract :
Active Noise Control (ANC) systems can be used for suppressing sinusoidal frequency interference in wideband signals. In some applications it may be desirable to limit the maximum power level delivered by the ANC system to prevent overdriving a transducer or causing output amplifier saturation. This paper develops an algorithm for an adaptive IIR filter that places a constraint on the output power level, while still maintaining a narrow bandwidth to reject only the interfering sinusoidal portion.
Keywords :
IIR filters; adaptive filters; signal denoising; ANC system; active noise control systems; adaptive IIR filter; output amplifier saturation; output power level; sinusoidal frequency interference suppression; transducer; wideband signals; Adaptive filters; Band pass filters; Power amplifiers; Power generation; Signal processing algorithms; Wideband;
Conference_Titel :
Signals, Systems and Computers (ASILOMAR), 2010 Conference Record of the Forty Fourth Asilomar Conference on
Conference_Location :
Pacific Grove, CA
Print_ISBN :
978-1-4244-9722-5
DOI :
10.1109/ACSSC.2010.5757547
