prony (MathScript RT Module Function)

LabVIEW 2012 MathScript RT模块帮助

版本日期:June 2012

产品编号:373123C-0118

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(仅限Windows)

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.

Examples

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)

Related Topics

filter
levinson

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