使用分数阶延迟滤波器去除谐波干扰

Proceedings of the 43rd IEEE Midwest Symposium on Circuits and Systems (Cat.No.CH37144) Pub Date : 2000-08-08 DOI:10.1109/MWSCAS.2000.951433

G. Jovanovic-Dolecek, M. Aguilar-Ponce

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引用次数: 0

摘要

处理干扰频率为有理数且事先已知的谐波干扰的去除。为了在不失真的情况下去除损坏信号中的干扰，我们提出了一种采用分数阶延迟梳状滤波器的结构。具有两个输出支路的多相结构近似于分数阶延迟。该结构适用于时延为高整数比率的情况。

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Harmonic interference removal using a fractional delay filter

Treats the harmonic interference removal where the frequency of the interference is a rational number and known in advance. In order to remove the interference from the corrupted signal without distortion we propose a structure, which uses a comb filter with a fractional delay. The polyphase structure with two output branches approximates a fractional delay. The proposed structure is convenient for the case when the delay is a ratio of high integers.

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Proceedings of the 43rd IEEE Midwest Symposium on Circuits and Systems (Cat.No.CH37144)

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