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GrAtscBitTimingLoop2 Class Reference

ATSC BitTimingLoop. More...

#include <GrAtscBitTimingLoop2.h>

Inheritance diagram for GrAtscBitTimingLoop2:

VrDecimatingSigProc< float, float > VrHistoryProc< iType, oType > VrSigProc List of all members.

Public Member Functions

 GrAtscBitTimingLoop2 ()
virtual ~GrAtscBitTimingLoop2 ()
virtual const char * name ()
 default name for a module (override with actual name)
virtual int forecast (VrSampleRange output, VrSampleRange inputs[])
 map output range to required input ranges
virtual int work (VrSampleRange output, void *o[], VrSampleRange inputs[], void *i[])
 Generate up to output.size output points at o[output#][sample#] using data at the inputptrs[input#][sample#].
void set_mu (float a_mu)

Protected Types

typedef float iType
typedef float oType

Protected Member Functions

iType produce_sample (const iType *in, unsigned int &index)
float filter_error (float e)

Protected Attributes

VrSampleIndex next_input
gr_single_pole_iir< float,
float, float > 
dc
gr_mmse_fir_interpolator intr
float mu
iType last_right
bool use_right_p

Detailed Description

ATSC BitTimingLoop.

This class accepts a single real input and produces a single real output


Member Typedef Documentation

typedef float GrAtscBitTimingLoop2::iType [protected]
 

typedef float GrAtscBitTimingLoop2::oType [protected]
 


Constructor & Destructor Documentation

GrAtscBitTimingLoop2::GrAtscBitTimingLoop2  ) 
 

virtual GrAtscBitTimingLoop2::~GrAtscBitTimingLoop2  )  [inline, virtual]
 


Member Function Documentation

float GrAtscBitTimingLoop2::filter_error float  e  )  [inline, protected]
 

int GrAtscBitTimingLoop2::forecast VrSampleRange  output,
VrSampleRange  inputs[]
[virtual]
 

map output range to required input ranges

Reimplemented from VrDecimatingSigProc< float, float >.

virtual const char* GrAtscBitTimingLoop2::name  )  [inline, virtual]
 

default name for a module (override with actual name)

Reimplemented from VrSigProc.

GrAtscBitTimingLoop2::iType GrAtscBitTimingLoop2::produce_sample const iType in,
unsigned int &  index
[protected]
 

Produce samples equally spaced in time that are referenced to the transmitter's sample clock, not ours.

See pp 523-527 of "Digital Communication Receivers", Meyr, Moeneclaey and Fechtel, Wiley, 1998.

void GrAtscBitTimingLoop2::set_mu float  a_mu  )  [inline]
 

int GrAtscBitTimingLoop2::work VrSampleRange  output,
void *  o[],
VrSampleRange  inputs[],
void *  i[]
[virtual]
 

Generate up to output.size output points at o[output#][sample#] using data at the inputptrs[input#][sample#].

Pointers start at corresponding VrSampleIndex in the range params. output.size is a multiple of outputSize. Returns the number of outputs (<= output.size) that it was able to compute with the given input ranges. If this value is < output.size, forecast() will need to be called again.

Implements VrSigProc.


Member Data Documentation

gr_single_pole_iir<float,float,float> GrAtscBitTimingLoop2::dc [protected]
 

gr_mmse_fir_interpolator GrAtscBitTimingLoop2::intr [protected]
 

iType GrAtscBitTimingLoop2::last_right [protected]
 

float GrAtscBitTimingLoop2::mu [protected]
 

VrSampleIndex GrAtscBitTimingLoop2::next_input [protected]
 

bool GrAtscBitTimingLoop2::use_right_p [protected]
 


The documentation for this class was generated from the following files:
Generated on Wed Aug 4 02:22:10 2004 for GNU Radio by doxygen 1.3.8