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Spectral Analysis of Rectangular, Hanning, Hamming and Kaiser Window for Digital Fir Filter
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 Title & Authors
Spectral Analysis of Rectangular, Hanning, Hamming and Kaiser Window for Digital Fir Filter
Gautam, Ganesh; Shrestha, Surendra; Cho, Seongsoo;
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Digital filters are extensively used in the world of communication. In order to design a digital finite impulse response (FIR) filter that satisfies all the required conditions is challenging. In this paper, design techniques of digital low pass FIR filters using Rectangular window method, Hamming window, Hanning window, and Optimal Parks McClellan method are presented. The stability, number of components required and filter coefficients are demonstrated for different design techniques. It is demonstrated that filter design using hamming window is comparatively better than rectangular and hanning window though the components required for all of the windowing technique are same, hamming shows higher stability. The stability is shown with the help of magnitude and phase spectrum of each window. Simulation is carried out using MATLAB and comparisons are made entirely based on the output of the simulation.
DSP;finite impulse response;infinite impulse response;
 Cited by
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