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An adaptive pole-zero filter comprised of a bank of bandpass filters is presented. The bandpass filters permit the adaptive filter to be realized in a parallel form of first-order sections. Simple monitoring of the filter poles during adaptation is therefore possible so that stability can be ensured. This paper focuses on bandpass filters which are implemented by a frequency-sampling structure; the use of other types of bandpass filters is briefly discussed. An application in system identification is described and computer simulation results are given.
Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '86. (Volume:11 )
Date of Conference: Apr 1986