prony (MathScript RT Module Function)
LabVIEW 2012 MathScript RT Module Help
Edition Date: June 2012
Part Number: 373123C-01
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Edition Date: June 2012
Part Number: 373123C-01
»View Product Info
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Owning Class: modeling and prediction
Requires: MathScript RT Module
Syntax
[b, a] = prony(h, m, n)
Description
Uses Prony's method to design an IIR filter with a prescribed time domain impulse response.
Inputs
| Name | Description |
|---|---|
| h | Specifies a time domain impulse response. h is a vector. |
| m | Specifies the numerator order. m is a positive integer. |
| n | Specifies the denominator order. n is a positive integer. |
Outputs
| Name | Description |
|---|---|
| b | Returns the forward filter coefficients. b is a vector. |
| a | Returns the backward filter coefficients. a is a vector. |
Details
The following table lists the support characteristics of this function.
| Supported in the LabVIEW Run-Time Engine | Yes |
| Supported on RT targets | Yes |
| Suitable for bounded execution times on RT | Not characterized |
Examples
b1 = [1];
a1 = [1, 0.2, -0.02, 1];
h = impzd(b1, a1, 10);
m = 2;
n = 3;
[b2, a2] = prony(h, m, n)