FIR filter combined with frequency translation with gr_complex input, gr_complex output and gr_complex taps. More...
#include <freq_xlating_fir_filter_ccc.h>
Public Types | |
| typedef boost::shared_ptr < freq_xlating_fir_filter_ccc > | sptr |
Public Member Functions | |
| virtual void | set_center_freq (double center_freq)=0 |
| virtual double | center_freq () const =0 |
| virtual void | set_taps (const std::vector< gr_complex > &taps)=0 |
| virtual std::vector< gr_complex > | taps () const =0 |
Static Public Member Functions | |
| static sptr | make (int decimation, const std::vector< gr_complex > &taps, double center_freq, double sampling_freq) |
FIR filter with gr_complex input, gr_complex output, and gr_complex taps that also frequency translates a signal from center_freq. | |
Detailed Description
FIR filter combined with frequency translation with gr_complex input, gr_complex output and gr_complex taps.
This class efficiently combines a frequency translation (typically "down conversion") with a FIR filter (typically low-pass) and decimation. It is ideally suited for a "channel selection filter" and can be efficiently used to select and decimate a narrow band signal out of wide bandwidth input.
Uses a single input array to produce a single output array. Additional inputs and/or outputs are ignored.
Member Typedef Documentation
| typedef boost::shared_ptr<freq_xlating_fir_filter_ccc> gr::filter::freq_xlating_fir_filter_ccc::sptr |
Member Function Documentation
| virtual double gr::filter::freq_xlating_fir_filter_ccc::center_freq | ( | ) | const [pure virtual] |
| static sptr gr::filter::freq_xlating_fir_filter_ccc::make | ( | int | decimation, |
| const std::vector< gr_complex > & | taps, | ||
| double | center_freq, | ||
| double | sampling_freq | ||
| ) | [static] |
FIR filter with gr_complex input, gr_complex output, and gr_complex taps that also frequency translates a signal from center_freq.
Construct a FIR filter with the given taps and a composite frequency translation that shifts center_freq down to zero Hz. The frequency translation logically comes before the filtering operation.
- Parameters:
-
decimation set the integer decimation rate taps a vector/list of taps of type gr_complex center_freq Center frequency of signal to down convert from (Hz) sampling_freq Sampling rate of signal (in Hz)
| virtual void gr::filter::freq_xlating_fir_filter_ccc::set_center_freq | ( | double | center_freq | ) | [pure virtual] |
| virtual void gr::filter::freq_xlating_fir_filter_ccc::set_taps | ( | const std::vector< gr_complex > & | taps | ) | [pure virtual] |
| virtual std::vector<gr_complex> gr::filter::freq_xlating_fir_filter_ccc::taps | ( | ) | const [pure virtual] |
The documentation for this class was generated from the following file:
