A novel square-root Nyquist filter design with prescribed ISI energy

  title={A novel square-root Nyquist filter design with prescribed ISI energy},
  author={Ashkan Ashrafi and Fredric J. Harris},
  journal={Signal Processing},
In this paper, a novel method is introduced to design Nyquist filters with prescribed inter symbol interference (ISI) energy. The computation is based on the iterative weighted least-squares optimization with a quadratic constraint. The weighted stop band and the tail energies of the Nyquist filter are minimized iteratively while the quadratic constraint prescribing the ISI energy is enforced. The Lagrange multiplier method and generalized singular value decomposition are utilized to solve the… CONTINUE READING
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