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서민상(M. S. Seo),권오규(O. K. Kwon) 대한전자공학회 1992 대한전자공학회 학술대회 Vol.1992 No.10
In this paper we investigate the connection between the continuous-time FIR(finite impulse response) filter and the corresponding discrete-time FIR filter with fast sampling. The interconnection is established by formulating the discrete-time case using delta operators which has superior numerical properties in discretizing procedure. The aim of this paper is to present a unified FIR filter us the δ-opera tor and to show that, as sampling interval Δ approaches to zero, the results of this filter converge to the corresponding continuous-time results, which implies that the unified FIR filter unifies continuous-time FIR filter and discrete-time FIR filter.