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

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

#include <iir_hpf.h>

Collaboration diagram for SPUC::iir_hpf< Numeric >:

Collaboration graph
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List of all members.

Public Member Functions

 iir_hpf (double A=0)
 iir_hpf (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

Detailed Description

template<class Numeric>
class SPUC::iir_hpf< Numeric >

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

Template for 1st Order IIR filter.

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

$ H(s) = \frac{s}{(s+A)} $

$ H(z) = \frac{A*(1+z^-1)}{((A-1)+(A-1)*z^-1)} $ where A is real


Constructor & Destructor Documentation

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

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

Constructor reading coefficient from a file.


Member Function Documentation

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

Input new sample and calculate output.

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

Print out coefficients.

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

Reset.


Member Data Documentation

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

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

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

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

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


The documentation for this class was generated from the following file:
Generated on Fri Sep 16 11:09:01 2005 for spuc by  doxygen 1.4.4