Polyphase filterbank arbitrary resampler with gr_complex input, gr_complex output and float taps. More...

Inheritance diagram for gr::filter::pfb_arb_resampler_ccf:

Public Types
typedef boost::shared_ptr < pfb_arb_resampler_ccf >	sptr
Public Member Functions
virtual void	set_taps (const std::vector< float > &taps)=0
virtual std::vector < std::vector< float > >	taps () const =0
virtual void	print_taps ()=0
virtual void	set_rate (float rate)=0
virtual void	set_phase (float ph)=0
virtual float	phase () const =0
virtual unsigned int	taps_per_filter () const =0
virtual unsigned int	interpolation_rate () const =0
virtual unsigned int	decimation_rate () const =0
virtual float	fractional_rate () const =0
virtual int	group_delay () const =0
virtual float	phase_offset (float freq, float fs)=0
Static Public Member Functions
static sptr	make (float rate, const std::vector< float > &taps, unsigned int filter_size=32)

Detailed Description

Polyphase filterbank arbitrary resampler with gr_complex input, gr_complex output and float taps.

This block takes in a signal stream and calls gr::filter::kernel::pfb_arb_resampler_ccf to perform arbitrary resampling on the stream.

Output sampling rate is rate * input rate.

Member Typedef Documentation

virtual unsigned int gr::filter::pfb_arb_resampler_ccf::decimation_rate ( ) const [pure virtual]

Gets the decimation rate of the filter.

virtual float gr::filter::pfb_arb_resampler_ccf::fractional_rate ( ) const [pure virtual]

Gets the fractional rate of the filter.

virtual int gr::filter::pfb_arb_resampler_ccf::group_delay ( ) const [pure virtual]

Get the group delay of the filter.

virtual unsigned int gr::filter::pfb_arb_resampler_ccf::interpolation_rate ( ) const [pure virtual]

Gets the interpolation rate of the filter.

static sptr gr::filter::pfb_arb_resampler_ccf::make	(	float	rate,
		const std::vector< float > &	taps,
		unsigned int	filter_size = `32`
	)		`[static]`

Build the polyphase filterbank arbitray resampler.

Parameters:

rate	(float) Specifies the resampling rate to use
taps	(vector/list of floats) The prototype filter to populate the filterbank. The taps should be generated at the filter_size sampling rate.
filter_size	(unsigned int) The number of filters in the filter bank. This is directly related to quantization noise introduced during the resampling. Defaults to 32 filters.

virtual float gr::filter::pfb_arb_resampler_ccf::phase ( ) const [pure virtual]

Gets the current phase of the resampler in radians (2 to 2pi).

virtual float gr::filter::pfb_arb_resampler_ccf::phase_offset	(	float	freq,
		float	fs
	)		`[pure virtual]`

Calculates the phase offset expected by a sine wave of frequency freq and sampling rate fs (assuming input sine wave has 0 degree phase).

virtual void gr::filter::pfb_arb_resampler_ccf::print_taps ( ) [pure virtual]

Print all of the filterbank taps to screen.

virtual void gr::filter::pfb_arb_resampler_ccf::set_phase ( float ph ) [pure virtual]

Sets the current phase offset in radians (0 to 2pi).

virtual void gr::filter::pfb_arb_resampler_ccf::set_rate ( float rate ) [pure virtual]

Sets the resampling rate of the block.

virtual void gr::filter::pfb_arb_resampler_ccf::set_taps ( const std::vector< float > & taps ) [pure virtual]

Resets the filterbank's filter taps with the new prototype filter

Parameters:

taps	(vector/list of floats) The prototype filter to populate the filterbank.

virtual std::vector<std::vector<float> > gr::filter::pfb_arb_resampler_ccf::taps ( ) const [pure virtual]

Return a vector<vector<>> of the filterbank taps

virtual unsigned int gr::filter::pfb_arb_resampler_ccf::taps_per_filter ( ) const [pure virtual]

Gets the number of taps per filter.

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