SPUC::iir_lpf< Numeric > Class Template Reference
[IIR filters]

Template Class for 1st Order low pass IIR filter from S-domain transformation. More...

#include <iir_lpf.h>

Collaboration diagram for SPUC::iir_lpf< Numeric >:

[legend]List of all members.

Public Member Functions
	iir_lpf (double A=0)
void	set_coeff (double A)
	iir_lpf (const char *file)
	Constructor reading coefficient from a file.
void	print ()
	Print out coefficients.
Numeric	clock (Numeric input)
	Input new sample and calculate output.
void	reset ()
	Reset.
Protected Attributes
double	gain
double	a
Numeric	out
Numeric	previous_out
Numeric	previous_in

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Detailed Description

template<class Numeric>
class SPUC::iir_lpf< Numeric >

Template Class for 1st Order low pass IIR filter from S-domain transformation.

Template for 1st Order IIR filter.

The filter is assumed the first order low pass digital filter generated by the bilinear transform of a first order analog filter.

where A is real

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Constructor & Destructor Documentation

template<class Numeric> SPUC::iir_lpf< Numeric >::iir_lpf (  double  A = 0  )  [inline]

template<class Numeric> SPUC::iir_lpf< Numeric >::iir_lpf (  const char *  file  )  [inline]

Constructor reading coefficient from a file.

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Member Function Documentation

template<class Numeric> Numeric SPUC::iir_lpf< Numeric >::clock (  Numeric  input  )  [inline]

Input new sample and calculate output.

template<class Numeric> void SPUC::iir_lpf< Numeric >::print (  void   )  [inline]

Print out coefficients.

template<class Numeric> void SPUC::iir_lpf< Numeric >::reset (  void   )  [inline]

Reset.

template<class Numeric> void SPUC::iir_lpf< Numeric >::set_coeff (  double  A  )  [inline]

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Member Data Documentation

template<class Numeric> double SPUC::iir_lpf< Numeric >::a [protected]

template<class Numeric> double SPUC::iir_lpf< Numeric >::gain [protected]

template<class Numeric> Numeric SPUC::iir_lpf< Numeric >::out [protected]

template<class Numeric> Numeric SPUC::iir_lpf< Numeric >::previous_in [protected]

template<class Numeric> Numeric SPUC::iir_lpf< Numeric >::previous_out [protected]

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The documentation for this class was generated from the following file:

• generic/iir_lpf.h

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