lp2bp (MathScript Function) (Windows, Not in Base Package)

LabVIEW 8.5 Help
August 2007

NI Part Number:
371361D-01

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Member of the filter design class.

Syntax

[num2, den2] = lp2bp(num1, den1, w, bw)

[a1, b2, c2, d2] = lp2bp(a1, b1, c1, d1, w, bw)

Transforms an analog lowpass filter to a bandpass filter.

Name	Description
num1, den1	Specify the transfer function of the filter.
a1, b1, c1, d1	Specify the state-space representation of the filter.
w	Specifies the center frequency.
bw	Specifies the bandwidth.

Name	Description
num2, den2	Return the transfer function of the filter.
a2, b2, c2, d2	Return the state-space representation of the filter.

num1 = 215;
den1 = 122;
w = 50E3;
bw = 0.6;
[num2, den2] = lp2bp(num1, den1, w, bw)