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HighSpeed Adaptive Noise Canceller with Parallel Block Structure
Kiyoyasu MARUYAMA Chawalit BENJANGKAPRASERT Nobuaki TAKAHASHI Tsuyoshi TAKEBE
Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Vol.E79A
No.3
pp.275282 Publication Date: 1996/03/25
Online ISSN:
DOI:
Print ISSN: 09168508 Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 8th Karuizawa Workshop on Circuits and Systems) Category: Keyword: adaptive filter, digital fulter, parallel block structure, noise canceller, fast adaptive algorithm,
Full Text: PDF(576.6KB)>>
Summary:
An adaptive algorithm for a single sinusoid detection using IIR bandpass filter with parallel block structure has been proposed by Nishimura et al. However, the algorithm has three problems: First, it has several input frequencies being impossible to converge. Secondly, the convergence rate can not be higher than that of the scalar structure. Finally, it has a large amount of computation. In this paper, a new algorithm is proposed to solve these problems. In addition, a new structure is proposed to reduce the amount of computation, in which the adaptive control signal generator is realized by the paralel block structure. Simulation results are given to illustrate the performance of the proposed algorithm.

