NAV::CycleSlipDetector Class Reference

Cycle-slip detector. More...

Classes
struct	CycleSlipDualFrequency
	Cycle-slip found in dual frequency combination. More...
struct	CycleSlipLossOfLockIndicator
	Cycle-slip because LLI was set. More...
struct	CycleSlipSingleFrequency
	Cycle-slip found in single frequency carrier-phase observation. More...
struct	DualFrequencyCombination
	Dual frequency combination. More...
struct	SatelliteObservation
	Satellite observations ordered per satellite. More...

Public Types
enum class	Detector : uint8_t {   LLI ,   SingleFrequency ,   DualFrequency }
	Detectors in use. More...
using	Result
	Result of the cycle-slip detection test.
using	Strategy
	Strategies for fitting.

Public Member Functions
std::vector< Result >	checkForCycleSlip (InsTime insTime, const std::vector< SatelliteObservation > &satObs, const std::string &nameId)
	Checks for a cycle slip.
Strategy	getFitStrategy (const Detector &detector) const
	Get the strategy used for fitting.
size_t	getPolynomialDegree (const Detector &detector) const
	Get the degree of the polynomial which is used for fitting.
double	getThreshold (const Detector &detector) const
	Get the threshold to categorize a measurement as cycle slip [% of smallest wavelength].
size_t	getWindowSize (const Detector &detector) const
	Get the window size for the polynomial fit.
bool	isEnabled (const Detector &detector) const
	Is the cycle-slip detector enabled?
void	reset ()
	Resets all data.
void	resetSignal (const SatSigId &satSigId)
	Resets all data related to the provided signal.
void	setEnabled (bool enabled, const Detector &detector)
	Sets the enabled state.
void	setFitStrategy (Strategy strategy, const Detector &detector)
	Sets the strategy used for fitting.
void	setPolynomialDegree (size_t polyDegree, const Detector &detector)
	Sets the degree of the polynomial which is used for fitting.
void	setThreshold (double threshold, const Detector &detector)
	Sets the threshold to categorize a measurement as cycle slip.
void	setWindowSize (size_t windowSize, const Detector &detector)
	Sets the amount of points used for the fit (sliding window)

Private Attributes
PolynomialCycleSlipDetector< DualFrequencyCombination >	_dualFrequencyDetector
	Dual Frequency cycle-slip detector using polynomial fits.
double	_dualFrequencyThresholdPercentage
	Threshold to detect a cycle-slip in [% of smallest wavelength].
bool	_enableLLICheck
	Whether to check for LLI flag.
PolynomialCycleSlipDetector< SatSigId >	_singleFrequencyDetector
	Single Frequency carrier-phase cycle-slip detector using polynomial fits.
double	_singleFrequencyThresholdPercentage
	Threshold to detect a cycle-slip in [% of smallest wavelength].

Friends
bool	CycleSlipDetectorGui (const char *label, CycleSlipDetector &cycleSlipDetector, float width=0.0F, bool dualFrequencyAvailable=true)
	Shows a GUI for advanced configuration of the CycleSlipDetector.
void	from_json (const json &j, CycleSlipDetector &data)
	Read info from a json object.
void	to_json (json &j, const CycleSlipDetector &data)
	Write info to a json object.

Detailed Description

Cycle-slip detector.

Member Enumeration Documentation

Detector

enum class NAV::CycleSlipDetector::Detector : uint8_t

strong

Detectors in use.

Enumerator
LLI	Loss-of-Lock Indicator check.
SingleFrequency	Single frequency detector.
DualFrequency	Dual frequency detector.

Member Function Documentation

checkForCycleSlip()

std::vector< Result > NAV::CycleSlipDetector::checkForCycleSlip ( InsTime insTime, const std::vector< SatelliteObservation > & satObs, const std::string & nameId )

nodiscard

Checks for a cycle slip.

Parameters

[in]	insTime	Time of the measurement
[in]	satObs	Satellite observations
[in]	nameId	Node nameId for log messages

Returns

Cycle-slip result

getFitStrategy()

Strategy NAV::CycleSlipDetector::getFitStrategy ( const Detector & detector ) const

inlinenodiscard

Get the strategy used for fitting.

Parameters

[in]

detector

Detector to request data for

getPolynomialDegree()

size_t NAV::CycleSlipDetector::getPolynomialDegree ( const Detector & detector ) const

inlinenodiscard

Get the degree of the polynomial which is used for fitting.

Parameters

[in]

detector

Detector to request data for

getThreshold()

double NAV::CycleSlipDetector::getThreshold ( const Detector & detector ) const

inlinenodiscard

Get the threshold to categorize a measurement as cycle slip [% of smallest wavelength].

Parameters

[in]

detector

Detector to request data for

getWindowSize()

size_t NAV::CycleSlipDetector::getWindowSize ( const Detector & detector ) const

inlinenodiscard

Get the window size for the polynomial fit.

Parameters

[in]

detector

Detector to request data for

isEnabled()

bool NAV::CycleSlipDetector::isEnabled ( const Detector & detector ) const

inlinenodiscard

Is the cycle-slip detector enabled?

Parameters

[in]

detector

Detector to request data for

resetSignal()

void NAV::CycleSlipDetector::resetSignal

(

const SatSigId &

satSigId

)

Resets all data related to the provided signal.

Parameters

satSigId

Satellite signal identifier

setEnabled()

void NAV::CycleSlipDetector::setEnabled ( bool enabled, const Detector & detector )

inline

Sets the enabled state.

Parameters

[in]	enabled	Whether to enabled or not
[in]	detector	Detector to modify

setFitStrategy()

void NAV::CycleSlipDetector::setFitStrategy ( Strategy strategy, const Detector & detector )

inline

Sets the strategy used for fitting.

Parameters

[in]	strategy	Strategy for fitting
[in]	detector	Detector to modify

setPolynomialDegree()

void NAV::CycleSlipDetector::setPolynomialDegree ( size_t polyDegree, const Detector & detector )

inline

Sets the degree of the polynomial which is used for fitting.

Parameters

[in]	polyDegree	Polynomial degree to fit
[in]	detector	Detector to modify

setThreshold()

void NAV::CycleSlipDetector::setThreshold ( double threshold, const Detector & detector )

inline

Sets the threshold to categorize a measurement as cycle slip.

Parameters

[in]	threshold	Threshold value in [% of smallest wavelength]
[in]	detector	Detector to modify

setWindowSize()

void NAV::CycleSlipDetector::setWindowSize ( size_t windowSize, const Detector & detector )

inline

Sets the amount of points used for the fit (sliding window)

Parameters

[in]	windowSize	Amount of points to use for the fit
[in]	detector	Detector to modify

Friends And Related Symbol Documentation

CycleSlipDetectorGui

bool CycleSlipDetectorGui ( const char * label, CycleSlipDetector & cycleSlipDetector, float width = 0.0F, bool dualFrequencyAvailable = true )

friend

Shows a GUI for advanced configuration of the CycleSlipDetector.

Parameters

[in]	label	Label to show beside the combo box. This has to be a unique id for ImGui.
[in]	cycleSlipDetector	Reference to the cycle-slip detector to configure
[in]	width	Width of the widget
[in]	dualFrequencyAvailable	Whether dual frequency is available

from_json

void from_json ( const json & j, CycleSlipDetector & data )

friend

Read info from a json object.

Parameters

[in]	j	Json variable to read info from
[out]	data	Output object

to_json

void to_json ( json & j, const CycleSlipDetector & data )

friend

Write info to a json object.

Parameters

[out]	j	Json output
[in]	data	Object to read info from

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

• /home/runner/work/INSTINCT/INSTINCT/src/Navigation/GNSS/Ambiguity/CycleSlipDetector.hpp