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郭勳星,金英百 全北大學校 1981 論文集 Vol.23 No.-
A rational approximation procedure for digital filter design is presented in this paper. More specially, an explicit expression for the designed filter transfer function can be obtained once a rational approximation for the analytic part of the Fourier series expansion of the desired filter characteristic is determined. To demonstrate the efficiency of this technique, we derive a two-sided Pade´ approximation from the one-sided Pade´ approximant. Two examples are given to illustrate this design procedure.