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An Approximation of the Analog Ideal Low-Pass Filter


V. G. Alekseev

New approximation of the analog (continuous-time) ideal low-pass filter by finite impulse response filter is proposed. Polynomial Schoenberg’s B-splines up to the 13th order are used for the construction of the approximating filter. The recommendations of the author come to the use of mostly high-order B-splines.

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