#include <gnuradio/filter/pfb_arb_resampler.h>

Public Member Functions
	pfb_arb_resampler_ccc (float rate, const std::vector< gr_complex > &taps, unsigned int filter_size)

	~pfb_arb_resampler_ccc ()

void	set_taps (const std::vector< gr_complex > &taps)

std::vector< std::vector < gr_complex > >	taps () const

void	print_taps ()

void	set_rate (float rate)

void	set_phase (float ph)

float	phase () const

unsigned int	taps_per_filter () const

unsigned int	interpolation_rate () const

unsigned int	decimation_rate () const

float	fractional_rate () const

int	group_delay () const

float	phase_offset (float freq, float fs)

int	filter (gr_complex input, gr_complex output, int n_to_read, int &n_read)

Constructor & Destructor Documentation

gr::filter::kernel::pfb_arb_resampler_ccc::pfb_arb_resampler_ccc	(	float	rate,
		const std::vector< gr_complex > &	taps,
		unsigned int	filter_size
	)

Creates a kernel to perform arbitrary resampling on a set of samples.

Parameters

rate	(float) Specifies the resampling rate to use
taps	(vector/list of complex) 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.

gr::filter::kernel::pfb_arb_resampler_ccc::~pfb_arb_resampler_ccc ( )

Member Function Documentation

unsigned int gr::filter::kernel::pfb_arb_resampler_ccc::decimation_rate ( ) const

inline

int gr::filter::kernel::pfb_arb_resampler_ccc::filter	(	gr_complex *	input,
		gr_complex *	output,
		int	n_to_read,
		int &	n_read
	)

Performs the filter operation that resamples the signal.

This block takes in a stream of samples and outputs a resampled and filtered stream. This block should be called such that the output has rate * n_to_read amount of space available in the output buffer.

Parameters

input	An input vector of samples to be resampled
output	The output samples at the new sample rate.
n_to_read	Number of samples to read from `input`.
n_read	(out) Number of samples actually read from `input`.

Returns: Number of samples put into output.

float gr::filter::kernel::pfb_arb_resampler_ccc::fractional_rate ( ) const

inline

int gr::filter::kernel::pfb_arb_resampler_ccc::group_delay ( ) const

inline

Get the group delay of the filter.

unsigned int gr::filter::kernel::pfb_arb_resampler_ccc::interpolation_rate ( ) const

inline

float gr::filter::kernel::pfb_arb_resampler_ccc::phase ( ) const

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

float gr::filter::kernel::pfb_arb_resampler_ccc::phase_offset	(	float	freq,
		float	fs
	)

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

void gr::filter::kernel::pfb_arb_resampler_ccc::print_taps ( )

Print all of the filterbank taps to screen.

void gr::filter::kernel::pfb_arb_resampler_ccc::set_phase ( float ph )

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

void gr::filter::kernel::pfb_arb_resampler_ccc::set_rate ( float rate )

Sets the resampling rate of the block.

void gr::filter::kernel::pfb_arb_resampler_ccc::set_taps ( const std::vector< gr_complex > & taps )

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

Parameters

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

std::vector<std::vector<gr_complex> > gr::filter::kernel::pfb_arb_resampler_ccc::taps ( ) const

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

unsigned int gr::filter::kernel::pfb_arb_resampler_ccc::taps_per_filter ( ) const

Gets the number of taps per filter.

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

pfb_arb_resampler.h

Public Member Functions

Constructor & Destructor Documentation

Member Function Documentation