Block Implementation of High-Speed IIR Adaptive Noise Canceller (Special Section of Selected Papers from the 9th Karuizawa Workshop on Circuits and Systems)

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概要

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• In this paper, a block implementation of high-speed IIR adaptive noise canceller is proposed. First, the block difference equation of an IIR filter is derived by the difference equation for high-speed signal processing. It is shown that the computational complexity for updating the coefficients of IIR adaptive filter can be reduced by using the relations between the elements of coefficient matrices of block difference equation. Secondly, the block implementation of IIR adaptive noise canceller is proposed in which the convergence rate is increased by successively adjusting filter Q-factors. Finally, the usefulness of proposed block implementation is verified by the computer simulations.

• 社団法人電子情報通信学会の論文
• 1997-03-25

著者

• TAKAHASHI Nobuaki

  Department of Applied Physics, National Defense Academy

• Li Shang

  Faculty Of Engineering Kanazawa University

• Takahashi N

  Department Of Electronics School Of Engineering Tokai University

• Wu Xiaohua

  Graduate School of Engineering, Tokai University

• WU Xiaohua

  Department of Electronics, School of Engineering, Tokai University

• TAKEBE Tsuyoshi

  Faculty of Engineering, Kanazawa Institute of Technology

• Wu Xiaohua

  Graduate School Of Engineering Tokai University

• Takahashi Nobuaki

  Department Of Applied Physics National Defense Academy

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