#include <gnuradio/filter/single_pole_iir.h>
Public Member Functions | |
single_pole_iir (double alpha=1.0) | |
construct new single pole IIR with given alpha | |
gr_complex | filter (const i_type input) |
compute a single output value. | |
void | filterN (gr_complex output[], const i_type input[], unsigned long n) |
compute an array of N output values. input must have n valid entries. | |
void | set_taps (double alpha) |
install alpha as the current taps. | |
void | reset () |
reset state to zero | |
gr_complexd | prev_output () const |
Protected Attributes | |
double | d_alpha |
double | d_one_minus_alpha |
gr_complexd | d_prev_output |
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inline |
construct new single pole IIR with given alpha
computes y(i) = (1-alpha) * y(i-1) + alpha * x(i)
References d_prev_output, and gr::filter::single_pole_iir< o_type, i_type, tap_type >::set_taps().
gr_complex gr::filter::single_pole_iir< gr_complex, i_type, double >::filter | ( | const i_type | input | ) |
compute a single output value.
References d_alpha, d_one_minus_alpha, and d_prev_output.
Referenced by filterN().
void gr::filter::single_pole_iir< gr_complex, i_type, double >::filterN | ( | gr_complex | output[], |
const i_type | input[], | ||
unsigned long | n ) |
compute an array of N output values. input
must have n valid entries.
References filter().
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inline |
References d_prev_output.
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inline |
reset state to zero
References d_prev_output.
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inline |
install alpha
as the current taps.
References d_alpha, and d_one_minus_alpha.
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protected |
Referenced by filter(), and set_taps().
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protected |
Referenced by filter(), and set_taps().
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protected |
Referenced by filter(), prev_output(), reset(), and single_pole_iir().