Software Defined Receiver. More...

#include <snSDRStandard.h>

Inheritance diagram for snSDRStandard:

Public Member Functions
	snSDRStandard (libconfig::Setting &Settings, SNSignal pSNSignal, ProcessingParameters &pProcSig, snWidget psnw, snWidget ptrkw, snWidget ptrkw4, snWidget ptrkw3, snWidget ptrkw2, ConcBuf pConcBuf1)
	SDRGPS constructor. More...

	~snSDRStandard ()

void	run ()
	implements QThread's run() More...

bool	dbl_eq (double x, double v)

Public Member Functions inherited from snSDR
	snSDR (SNSignal pSNSignal)
	Software Defined Receiver base class constructor. More...

Public Member Functions inherited from snBlockSerial
	snBlockSerial (SNSignal pSNSignal)
	snBlockSerial constructor More...

Samples_Type	get_absolute_sample () const
	returns the absolute amount of processed samples More...

Public Member Functions inherited from snBlock
	snBlock (SNSignal pSNSignal)
	snBlock constructor More...

Blocks_Type	getBlks ()
	returns current block number which is being processed More...

Blocks_Type	getOutputBlks ()
	returns processed block number of a signal sink More...

Blocks_Type	getTotalBlks ()
	returns total amount of blocks to be processed More...

double	get_time_per_block ()

double	get_blks_simulation_time ()
	returns current simulation time dependent on current block number More...

bool	isActive ()
	returns snBlock status. will return true after requestStop() was called. More...

void	requestStop ()
	requests to stop processing and return the snBlock main program in run() More...

Private Member Functions
void	setup_plots ()

double	cn0_estimation (const std::vector< double > &vI_P, const std::vector< double > &vQ_P)

std::vector< double >	build_shifted_code (double shift, snModulation *m, Samples_Type samples)

double	determine_gain_of_code (snModulation *m, double el_spacing)

Static Private Member Functions
static double	correlation (const std::vector< double > &a, const std::vector< double > &b)

static std::vector< double >	build_code (const std::vector< double > &indices, snModulation *m)

Private Attributes
ProcessingParameters &	ProcSig

std::ofstream	oResult

bool	I_enable

bool	Q_enable

snGNSSSignal *	gnss_signal

int	prn

snGNSSCode *	gnss_code_I

snGNSSCode *	gnss_code_Q

snModulation *	modulation_I

snModulation *	modulation_Q

int	correlation_length_factor

double	correlation_length

long	aq_samples_number
	amount of samples for one aq block More...

double	aq_frequency

Samples_Type	aq_code_phase

int	aPlCode

snCurve3D *	curve_aq

snCurveComplex *	curve_corr_e_I

snCurveComplex *	curve_corr_p_I

snCurveComplex *	curve_corr_l_I

snPlotComplexRealImag *	plot_corrs_I

snCurveComplex *	curve_corr_e_Q

snCurveComplex *	curve_corr_p_Q

snCurveComplex *	curve_corr_l_Q

snCurveReal *	curve_incoming

snCurveComplex *	curve_carrier_replica

snCurveComplex *	curve_downmixed

snCurveReal *	curve_code_e_I

snCurveReal *	curve_code_p_I

snCurveReal *	curve_code_l_I

snCurveReal *	curve_code_e_Q

snCurveReal *	curve_code_p_Q

snCurveReal *	curve_code_l_Q

snCurveReal *	curve_pll_raw_I

snCurveReal *	curve_pll_raw_Q

snCurveReal *	curve_pll_filtered

snCurveReal *	curve_dll_raw_I

snCurveReal *	curve_dll_raw_Q

snCurveReal *	curve_dll_raw_IQ

snCurveReal *	curve_dll_filtered

snCurveReal *	curve_remcodephase

snCurveReal *	curve_pr

snCurveReal *	curve_corrfunc1_I

snCurveReal *	curve_corrfunc2_I

snCurveReal *	curve_corrfunc1_Q

snCurveReal *	curve_corrfunc2_Q

snPlotReal *	plot_pr

snPlotReal *	plot_corrfunc1

snPlotReal *	plot_corrfunc2

snCurveReal *	curve_cn0

snWidget *	snw

snWidget *	trkw

snWidget *	trkw2

snWidget *	trkw3

snWidget *	trkw4

ConcBuf *	ConcBuf1

int	PlotBufSize

Additional Inherited Members
Signals inherited from snBlock
void	snLogSignal (const QString &mess)
	is connected in snMainWindow to the log text widget. More...

void	snLogSignalDebug (const QString &mess, int d)
	is connected in snMainWindow to the log text widget. More...

Protected Member Functions inherited from snSDR
void	calculate_loop_coefficients (double &tau1, double &tau2, double LBW, double zeta, double k)

unsigned int	next_power_of_two (unsigned int val)

bool	Aquisition (std::vector< double > aq_signal, signed long long samplesPerChip, double search_length, double &AqFreq, Samples_Type &AqCodePhase, snWidget snw, snCurve3D curve_aq)
	Aquisition() performs a parallel code phase search aquisition. More...

double	discriminator_dot_product_normalized (double I_E, double Q_E, double I_P, double Q_P, double I_L, double Q_L)

double	discriminator_early_minus_late_power_normalized (double I_E, double Q_E, double I_L, double Q_L)

double	costas_discriminator_atan (double I_P, double Q_P)

Protected Member Functions inherited from snBlockSerial
std::vector< std::complex < double > >	get_next_samples (Samples_Type n)
	returns the next samples More...

void	InitSerialBuffer (Samples_Type size, ConcBuf *pConcBuf)
	initializes the serial buffer. Should be called by snBlocks in their constructor. More...

void	set_next_sample_index (Samples_Type index)
	allows to go back to a specific samples position in the actual serial buffer More...

Protected Member Functions inherited from snBlock
void	snLog (QString mess)
	can be used by snBlocks to log data to log text widget. More...

void	snLogErr (QString mess)

void	snLogDeb (QString mess, int DebugLevel)
	can be used by snBlocks to log data to log text widget. More...

void	increaseBlks ()
	has to be called by snBlocks after processing of the actual concbuf block More...

void	increaseOutputBlks ()
	has to be called by the sink snBlocks after processing of the actual concbuf block More...

void	printSummary (std::string caller)
	This member function prints a summary of how much data was processed after the calling snBlock's exit. More...

Protected Attributes inherited from snSDR
SettingsSDR	SDR
	parameter set for SDR parameters More...

double	intermed_freq

Protected Attributes inherited from snBlock
SNSignal	Sig
	holds the simulation parameters which are common to all snBlocks More...

unsigned int	plot_x_max

double	max_simulation_length

Blocks_Type	max_blocks

Detailed Description

Software Defined Receiver.

Contains the SDR of SNACS. Aquisition and tracking are performed.

Constructor & Destructor Documentation

snSDRStandard::snSDRStandard	(	libconfig::Setting &	Settings,
		SNSignal	pSNSignal,
		ProcessingParameters &	pProcSig,
		snWidget *	psnw,
		snWidget *	ptrkw,
		snWidget *	ptrkw4,
		snWidget *	ptrkw3,
		snWidget *	ptrkw2,
		ConcBuf *	pConcBuf1
	)

SDRGPS constructor.

Parameters

pSNSignal1	struct SNSignal with general parameters
pSNSDR1	SDR parameter set
psnw	pointer to snWidget
pConcBuf1	input ConcBuf
pBufSize	buffer size

snSDRStandard::~snSDRStandard ( )

Member Function Documentation

std::vector< double > snSDRStandard::build_code	(	const std::vector< double > &	indices,
		snModulation *	m
	)

staticprivate

std::vector< double > snSDRStandard::build_shifted_code	(	double	shift,
		snModulation *	m,
		Samples_Type	samples
	)

private

double snSDRStandard::cn0_estimation	(	const std::vector< double > &	vI_P,
		const std::vector< double > &	vQ_P
	)

private

double snSDRStandard::correlation	(	const std::vector< double > &	a,
		const std::vector< double > &	b
	)

staticprivate

bool snSDRStandard::dbl_eq	(	double	x,
		double	v
	)

inline

double snSDRStandard::determine_gain_of_code	(	snModulation *	m,
		double	el_spacing
	)

private

void snSDRStandard::run ( )

implements QThread's run()

starts the software receiver.

void snSDRStandard::setup_plots ( )

private

Member Data Documentation

int snSDRStandard::aPlCode

private

Samples_Type snSDRStandard::aq_code_phase

private

double snSDRStandard::aq_frequency

private

long snSDRStandard::aq_samples_number

private

amount of samples for one aq block

ConcBuf* snSDRStandard::ConcBuf1

private

double snSDRStandard::correlation_length

private

int snSDRStandard::correlation_length_factor

private

snCurve3D* snSDRStandard::curve_aq

private

snCurveComplex* snSDRStandard::curve_carrier_replica

private

snCurveReal* snSDRStandard::curve_cn0

private

snCurveReal* snSDRStandard::curve_code_e_I

private

snCurveReal* snSDRStandard::curve_code_e_Q

private

snCurveReal * snSDRStandard::curve_code_l_I

private

snCurveReal * snSDRStandard::curve_code_l_Q

private

snCurveReal * snSDRStandard::curve_code_p_I

private

snCurveReal * snSDRStandard::curve_code_p_Q

private

snCurveComplex* snSDRStandard::curve_corr_e_I

private

snCurveComplex* snSDRStandard::curve_corr_e_Q

private

snCurveComplex * snSDRStandard::curve_corr_l_I

private

snCurveComplex * snSDRStandard::curve_corr_l_Q

private

snCurveComplex * snSDRStandard::curve_corr_p_I

private

snCurveComplex * snSDRStandard::curve_corr_p_Q

private

snCurveReal* snSDRStandard::curve_corrfunc1_I

private

snCurveReal* snSDRStandard::curve_corrfunc1_Q

private

snCurveReal * snSDRStandard::curve_corrfunc2_I

private

snCurveReal * snSDRStandard::curve_corrfunc2_Q

private

snCurveReal * snSDRStandard::curve_dll_filtered

private

snCurveReal * snSDRStandard::curve_dll_raw_I

private

snCurveReal * snSDRStandard::curve_dll_raw_IQ

private

snCurveReal * snSDRStandard::curve_dll_raw_Q

private

snCurveComplex* snSDRStandard::curve_downmixed

private

snCurveReal* snSDRStandard::curve_incoming

private

snCurveReal * snSDRStandard::curve_pll_filtered

private

snCurveReal* snSDRStandard::curve_pll_raw_I

private

snCurveReal * snSDRStandard::curve_pll_raw_Q

private

snCurveReal * snSDRStandard::curve_pr

private

snCurveReal * snSDRStandard::curve_remcodephase

private

snGNSSCode* snSDRStandard::gnss_code_I

private

snGNSSCode * snSDRStandard::gnss_code_Q

private

snGNSSSignal* snSDRStandard::gnss_signal

private

bool snSDRStandard::I_enable

private

snModulation* snSDRStandard::modulation_I

private

snModulation * snSDRStandard::modulation_Q

private

std::ofstream snSDRStandard::oResult

private

snPlotReal* snSDRStandard::plot_corrfunc1

private

snPlotReal * snSDRStandard::plot_corrfunc2

private

snPlotComplexRealImag* snSDRStandard::plot_corrs_I

private

snPlotReal* snSDRStandard::plot_pr

private

int snSDRStandard::PlotBufSize

private

int snSDRStandard::prn

private

ProcessingParameters& snSDRStandard::ProcSig

private

bool snSDRStandard::Q_enable

private

snWidget* snSDRStandard::snw

private

snWidget * snSDRStandard::trkw

private

snWidget * snSDRStandard::trkw2

private

snWidget * snSDRStandard::trkw3

private

snWidget * snSDRStandard::trkw4

private

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

Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation