具有自适应陷波带宽的梳状滤波器，用于周期性降噪

2013 9th International Conference on Information, Communications & Signal Processing Pub Date : 2013-12-01 DOI:10.1109/ICICS.2013.6782856

Yosuke Sugiura, A. Kawamura, N. Aikawa

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引用次数: 8

摘要

提出了一种自适应陷波带宽的梳状滤波器。梳状滤波器用于减少观测信号中的周期性噪声。为了完全提取期望的信号，我们应该合理设计梳状滤波器的陷波带宽。具体来说，我们应该将陷波带宽设计为等于波动带宽。本文提出了一种梳状滤波器，可以实现陷波带宽的自适应，从而实现对周期性噪声的自动降噪。仿真结果表明了所提出的梳状滤波器的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A comb filter with adaptive notch bandwidth for periodic noise reduction

This paper proposes a comb filter with adaptive notch bandwidth. The comb filter is used to reduce a periodic noise from an observed signal. To extract the desired signal completely, we should appropriately design the notch bandwidth of the comb filter. Specifically, we should design the notch bandwidth to be equal to the fluctuation bandwidth. In this paper, to automatically reduce only the periodic noise with the frequency fluctuation, we propose the comb filter which achieves the adaptive notch bandwidth. Simulation results show the effectiveness of the proposed comb filter.

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2013 9th International Conference on Information, Communications & Signal Processing

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