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Efficient linear-phase FIR, maximally flat error approximations for the amplitude response |1/ωr|,r,r=1, 2, 3,..., and a versatile realization

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Abstract

In this paper, designs of linear-phase finite impulse response (FIR) filters approximating the ideal frequency responseH (ω,r) Δ|1/ωr r=1, 2, 3,..., by using maximally flat error criteria have been proposed. Exact weights required for the realizations have been derived and are shown to be independent of the filter orderN. The suggested designs are particularly suitable for operation in the midband frequency range of 0.10π–0.90π radians.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, Netaji Subhas Institute of Technology (NSIT), Azad Hind Fauj Marg, Sector 3, Dwarka, 110045, New Delhi, India

    Balbir Kumar

  2. Center for Development of Telematics (C-DOT), 39 Pusa Road, 110005, New Delhi, India

    Ashwani Kumar

Authors
  1. Balbir Kumar
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  2. Ashwani Kumar
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Kumar, B., Kumar, A. Efficient linear-phase FIR, maximally flat error approximations for the amplitude response |1/ωr|,r,r=1, 2, 3,..., and a versatile realization. Circuits Systems and Signal Process 19, 567–580 (2000). https://doi.org/10.1007/BF01271289

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  • DOI: https://doi.org/10.1007/BF01271289

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