gr_single_pole_iir< o_type, i_type, tap_type > Class Template Reference

class template for single pole IIR filter More...

#include <gr_single_pole_iir.h>

Collaboration diagram for gr_single_pole_iir< o_type, i_type, tap_type >:

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List of all members.

Public Member Functions

 gr_single_pole_iir (tap_type alpha=1.0)
 construct new single pole IIR with given alpha
o_type filter (const i_type input)
 compute a single output value.
void filterN (o_type output[], const i_type input[], unsigned long n)
 compute an array of N output values. input must have n valid entries.
void set_taps (tap_type alpha)
 install alpha as the current taps.
void reset ()
 reset state to zero
tap_type prev_output ()

Protected Attributes

tap_type d_alpha
tap_type d_one_minus_alpha
tap_type d_prev_output


Detailed Description

template<class o_type, class i_type, class tap_type>
class gr_single_pole_iir< o_type, i_type, tap_type >

class template for single pole IIR filter

Constructor & Destructor Documentation

template<class o_type, class i_type, class tap_type>
gr_single_pole_iir< o_type, i_type, tap_type >::gr_single_pole_iir ( tap_type  alpha = 1.0  )  [inline]

construct new single pole IIR with given alpha

computes y(i) = (1-alpha) * y(i-1) + alpha * x(i)


Member Function Documentation

template<class o_type , class i_type, class tap_type >
o_type gr_single_pole_iir< o_type, i_type, tap_type >::filter ( const i_type  input  )  [inline]

template<class o_type, class i_type, class tap_type >
void gr_single_pole_iir< o_type, i_type, tap_type >::filterN ( o_type  output[],
const i_type  input[],
unsigned long  n 
) [inline]

compute an array of N output values. input must have n valid entries.

References gr_single_pole_iir< o_type, i_type, tap_type >::filter(), and gen_whitener::i.

template<class o_type, class i_type, class tap_type>
tap_type gr_single_pole_iir< o_type, i_type, tap_type >::prev_output (  )  [inline]

template<class o_type, class i_type, class tap_type>
void gr_single_pole_iir< o_type, i_type, tap_type >::reset (  )  [inline]

reset state to zero

template<class o_type, class i_type, class tap_type>
void gr_single_pole_iir< o_type, i_type, tap_type >::set_taps ( tap_type  alpha  )  [inline]


Member Data Documentation

template<class o_type, class i_type, class tap_type>
tap_type gr_single_pole_iir< o_type, i_type, tap_type >::d_alpha [protected]

template<class o_type, class i_type, class tap_type>
tap_type gr_single_pole_iir< o_type, i_type, tap_type >::d_one_minus_alpha [protected]

template<class o_type, class i_type, class tap_type>
tap_type gr_single_pole_iir< o_type, i_type, tap_type >::d_prev_output [protected]


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

Generated on Thu Mar 5 09:03:08 2009 for GNU Radio 3.1.3 by  doxygen 1.5.8