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A Study of Efficient Sharpening Based on CIC Filter

Han Xiao-ling

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Abstract

This paper proposes an efficient sharpening of a CIC decimation filter. The proposed structure consists of two main sections: a cascade of comb filter, and a sharpened comb filter. This arrangement allows the sharpening operation to move to a lower rate, and the frequency response is improved better than the classic CIC filter. Through MATLAB simulation, we can see the better performance of the proposed filter.

About this research paper

What this paper is about

This paper proposes an efficient sharpening of a CIC decimation filter. The proposed structure consists of two main sections: a cascade of comb filter, and a sharpened comb filter. This arrangement allows the sharpening operation to move to a lower rate, and the frequency response is improved better than the classic CIC filter. Through MATLAB simulation, we can see the better performance of the proposed filter.

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Key contribution

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Method / approach

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Available abstract

This paper proposes an efficient sharpening of a CIC decimation filter. The proposed structure consists of two main sections: a cascade of comb filter, and a sharpened comb filter. This arrangement allows the sharpening operation to move to a lower rate, and the frequency response is improved better than the classic CIC filter. Through MATLAB simulation, we can see the better performance of the proposed filter.

Key concepts: Sharpening, Decimation, Filter (signal processing), Capacitor-input filter, Computer science, Cascaded integrator–comb filter, High-pass filter, Cascade

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