leansdr::ss_estimator< T > Struct Template Reference

#include <sdr.h>

Inheritance diagram for leansdr::ss_estimator< T >:

Collaboration diagram for leansdr::ss_estimator< T >:

Public Member Functions
	ss_estimator (scheduler *sch, pipebuf< complex< T >> &_in, pipebuf< T > &_out)
void	run ()
Public Member Functions inherited from leansdr::runnable
	runnable (scheduler *_sch, const char *name)
Public Member Functions inherited from leansdr::runnable_common
	runnable_common (const char *_name)
virtual	~runnable_common ()
virtual void	shutdown ()

Public Attributes
unsigned long	window_size
unsigned long	decimation
Public Attributes inherited from leansdr::runnable_common
const char *	name

Private Attributes
pipereader< complex< T > >	in
pipewriter< T >	out
unsigned long	phase

Additional Inherited Members
Protected Attributes inherited from leansdr::runnable
scheduler *	sch

Detailed Description

template<typename T>
struct leansdr::ss_estimator< T >

Definition at line 224 of file sdr.h.

Constructor & Destructor Documentation

ss_estimator()

template<typename T >

leansdr::ss_estimator< T >::ss_estimator ( scheduler *  sch, pipebuf< complex< T >> &  _in, pipebuf< T > &  _out  )

inline

Definition at line 229 of file sdr.h.

                                                                             : runnable(sch, "SS estimator"),
                                                                               window_size(1024),
                                                                               decimation(1024),
                                                                               in(_in),
                                                                               out(_out),
                                                                               phase(0)
    {
    }

Member Function Documentation

run()

template<typename T >

void leansdr::ss_estimator< T >::run ( )

inlinevirtual

Reimplemented from leansdr::runnable_common.

Definition at line 238 of file sdr.h.

References leansdr::auto_notch< T >::decimation, leansdr::complex< T >::im, leansdr::auto_notch< T >::in, leansdr::auto_notch< T >::out, leansdr::auto_notch< T >::phase, and leansdr::complex< T >::re.

    {
        while (in.readable() >= window_size && out.writable() >= 1)
        {
            phase += window_size;

            if (phase >= decimation)
            {
                phase -= decimation;
                complex<T> *p = in.rd(), *pend = p + window_size;
                float s = 0;

                for (; p < pend; ++p)
                    s += (float)p->re * p->re + (float)p->im * p->im;

                out.write(sqrtf(s / window_size));
            }
            in.read(window_size);
        }
    }

Member Data Documentation

decimation

template<typename T >

unsigned long leansdr::ss_estimator< T >::decimation

Definition at line 227 of file sdr.h.

in

template<typename T >

pipereader<complex<T> > leansdr::ss_estimator< T >::in

private

Definition at line 260 of file sdr.h.

out

template<typename T >

pipewriter<T> leansdr::ss_estimator< T >::out

private

Definition at line 261 of file sdr.h.

phase

template<typename T >

unsigned long leansdr::ss_estimator< T >::phase

private

Definition at line 262 of file sdr.h.

window_size

template<typename T >

unsigned long leansdr::ss_estimator< T >::window_size

Definition at line 226 of file sdr.h.

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

• plugins/channelrx/demoddatv/leansdr/sdr.h