International journal of advanced smart convergence

The Institute of Internet, Broadcasting and Communication (한국인터넷방송통신학회)
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Spectral Analysis of Rectangular, Hanning, Hamming and Kaiser Window for Digital Fir Filter

  • Gautam, Ganesh (Department of Electronics and Computer Engineering, Kathmandu Engineering College, Tribhuvan University) ;
  • Shrestha, Surendra (Department of Electronics and Computer Engineering, Pulchowk Campus, Institute of Engineering, Tribhuvan University) ;
  • Cho, Seongsoo (Institute of Information Science and Engineering Research, Mokpo National University)
  • Received : 2015.09.18
  • Accepted : 2015.11.10
  • Published : 2015.11.30
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Abstract

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.

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References

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