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LinearSystems.LowpassToLowpass Method ([In] TVec, [In] TVec, double, double)
LinearSystems Class  LinearSystems Members  Dew.Signal.Units Namespace  LowpassToLowpass Method
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Frequency transformation from a lowpass to a lowpass filter in s-domain.

Syntax
C#
Visual Basic
public static void LowpassToLowpass([In] TVec z, [In] TVec p, ref double k, double Freq);
Remarks

Transform a lowpass filter prototype in zero-pole form to a lowpass filter, where the new cutoff frequency is Freq. Assumed sampling frequency is 2. The transformation is defined as ([1], p. 258):

s s --> ----- Wu Wu - new cutoff frequency

References:  

[1] Theory and application of digital signal processing, Lawrence R. Rabiner and Bernard Gold. Prentice-Hall, 1975

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