Performance Analysis of Low Pass FIR Filter With Variation of Zero Value Coefficients

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Provided by: Institute of Research and Journals (IRAJ)
Topic: Hardware
Format: PDF
In this paper, the authors analyzed the frequency response of FIR (Finite Impulse Response) low pass filter with respect to number of zeroes in impulse response. The developed design has been simulated for five different zero valued coefficients configurations. It can be observed from the design analysis that decreased number of zeroes results in degraded stop-band attenuation with improvement in transition width. It is also observed that increased number of zeroes results in improved stop-band attenuation but degrade transition width. The design with 20 zero valued coefficients show an improvement of 73.75% stopband attenuation and degradation of 84.90% in transition width.
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