#include <bpm_dsp.h>
Collaboration diagram for filter_t:
Definition at line 75 of file bpm_dsp.h.
Data Fields | |
| char | name [80] |
| unsigned int | options |
| int | order |
| double | fs |
| double | f1 |
| double | f2 |
| double | alpha1 |
| double | alpha2 |
| double | w_alpha1 |
| double | w_alpha2 |
| double | cheb_ripple |
| double | Q |
| complex_t | dc_gain |
| complex_t | fc_gain |
| complex_t | hf_gain |
| double | gain |
| filterrep_t * | cplane |
| int | IsFIR |
| int | nxc |
| double | xc [MAXPZ+1] |
| int | nyc |
| double | yc [MAXPZ+1] |
| double | xv [MAXPZ+1] |
| double | yv [MAXPZ+1] |
| int | ns |
| double * | wfbuffer |
| char filter_t::name[80] |
The filter's name
Definition at line 76 of file bpm_dsp.h.
Referenced by create_filter(), and print_filter().
| unsigned int filter_t::options |
type and option bits for filter
Definition at line 78 of file bpm_dsp.h.
Referenced by calculate_filter_coefficients(), create_filter(), create_resonator_representation(), create_splane_representation(), normalise_filter(), and zplane_transform().
| int filter_t::order |
filter order
Definition at line 79 of file bpm_dsp.h.
Referenced by create_filter(), and create_splane_representation().
| double filter_t::fs |
| double filter_t::f1 |
first frequency ( left edge for bandpass/stop )
Definition at line 82 of file bpm_dsp.h.
Referenced by create_filter().
| double filter_t::f2 |
right edge for bandpass/stop ( undef for low/highpass )
Definition at line 83 of file bpm_dsp.h.
Referenced by create_filter().
| double filter_t::alpha1 |
rescaled f1
Definition at line 85 of file bpm_dsp.h.
Referenced by calculate_filter_coefficients(), create_filter(), and create_resonator_representation().
| double filter_t::alpha2 |
rescaled f2
Definition at line 86 of file bpm_dsp.h.
Referenced by calculate_filter_coefficients(), and create_filter().
| double filter_t::w_alpha1 |
warped alpha1
Definition at line 88 of file bpm_dsp.h.
Referenced by create_filter(), and normalise_filter().
| double filter_t::w_alpha2 |
warped alpha2
Definition at line 89 of file bpm_dsp.h.
Referenced by create_filter(), and normalise_filter().
| double filter_t::cheb_ripple |
ripple for chebyshev filters
Definition at line 91 of file bpm_dsp.h.
Referenced by create_filter(), and create_splane_representation().
| double filter_t::Q |
Q factor for resonators
Definition at line 92 of file bpm_dsp.h.
Referenced by create_filter(), and create_resonator_representation().
Complex DC gain of the filter
Definition at line 94 of file bpm_dsp.h.
Referenced by calculate_filter_coefficients(), and print_filter().
Complex Center frequency gain of filter
Definition at line 95 of file bpm_dsp.h.
Referenced by calculate_filter_coefficients(), and print_filter().
Complex High frequency (fNy) gain of filter
Definition at line 96 of file bpm_dsp.h.
Referenced by calculate_filter_coefficients(), and print_filter().
| double filter_t::gain |
Actual Filter gain
Definition at line 97 of file bpm_dsp.h.
Referenced by apply_filter(), and calculate_filter_coefficients().
pointer to complex filter representation, poles and zeros
Definition at line 99 of file bpm_dsp.h.
Referenced by calculate_filter_coefficients(), create_filter(), delete_filter(), and print_filter().
| int filter_t::IsFIR |
filter is FIR
Definition at line 101 of file bpm_dsp.h.
Referenced by apply_filter(), and create_filter().
| int filter_t::nxc |
number of x coefficients
Definition at line 102 of file bpm_dsp.h.
Referenced by apply_filter(), calculate_filter_coefficients(), and print_filter().
| double filter_t::xc[MAXPZ+1] |
pointer to array of x coefficients
Definition at line 103 of file bpm_dsp.h.
Referenced by apply_filter(), calculate_filter_coefficients(), and print_filter().
| int filter_t::nyc |
number of y coefficients (for IIR filters)
Definition at line 104 of file bpm_dsp.h.
Referenced by apply_filter(), and calculate_filter_coefficients().
| double filter_t::yc[MAXPZ+1] |
pointer to array of y coefficients
Definition at line 105 of file bpm_dsp.h.
Referenced by apply_filter(), calculate_filter_coefficients(), and create_filter().
| double filter_t::xv[MAXPZ+1] |
filter x buffer, used in apply_filter
Definition at line 107 of file bpm_dsp.h.
Referenced by apply_filter().
| double filter_t::yv[MAXPZ+1] |
filter y buffer, used in apply_filter
Definition at line 108 of file bpm_dsp.h.
Referenced by apply_filter().
| int filter_t::ns |
number of samples of waveforms to be filtered
Definition at line 110 of file bpm_dsp.h.
Referenced by apply_filter(), create_filter(), filter_impulse_response(), and filter_step_response().
| double* filter_t::wfbuffer |
waveform buffer for filter computations, allocated once !
Definition at line 111 of file bpm_dsp.h.
Referenced by apply_filter(), create_filter(), and delete_filter().
1.5.1