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Volume 4 Issue 4
Aug.  2022
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LI Qi-hu. THE EQUIVALENT RELATION OF OPTIMUM SOLUTION BETWEEN TIME-DOMAIN AND FREQUENCY-DOMAIN IN ADAPTIVE BEAMFORMING[J]. ACTA ACUSTICA, 1979, 4(4): 296-308. DOI: 10.15949/j.cnki.0371-0025.1979.04.007
Citation: LI Qi-hu. THE EQUIVALENT RELATION OF OPTIMUM SOLUTION BETWEEN TIME-DOMAIN AND FREQUENCY-DOMAIN IN ADAPTIVE BEAMFORMING[J]. ACTA ACUSTICA, 1979, 4(4): 296-308. DOI: 10.15949/j.cnki.0371-0025.1979.04.007
shu

THE EQUIVALENT RELATION OF OPTIMUM SOLUTION BETWEEN TIME-DOMAIN AND FREQUENCY-DOMAIN IN ADAPTIVE BEAMFORMING

  • Institute of Acoustics, Academia Sinica

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  • Received Date: April 09, 1949
  • Available Online: August 22, 2022
    Graphical Abstract
    • Abstract
  • Under the criteria of Wiener's least mean square error, the optimum solution of frequency-domain is given. If we consider the Widrow's tapped daley line as a transversal 'filter, it can approximate the optimum transfer function with required accurancy.
    Under certain conditions, the optimum weight cofficients of time-domain just equal the coefficients of Fourier expansion of optimum transfer function.
    two different proofs for those are given.
    In the-end, some practical examples applying the results to be described in this paper are shown.
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