Broadcasted ephemeris message data. More...

Public Member Functions
Corrections	calcClockCorrections (const InsTime &recvTime, double dist, const Frequency &freq) const final
	Calculates clock bias and drift of the satellite.

double	calcSatellitePositionVariance () const final
	Calculates the Variance of the satellite position in [m^2].

	GPSEphemeris (const GPSEphemeris &)=default
	Copy constructor.

	GPSEphemeris (const InsTime &toc)
	Default Constructor.

	GPSEphemeris (const InsTime &toc, const InsTime &toe, const size_t &IODE, const size_t &IODC, const std::array< double, 3 > &a, const double &sqrt_A, const double &e, const double &i_0, const double &Omega_0, const double &omega, const double &M_0, const double &delta_n, const double &Omega_dot, const double &i_dot, const double &Cus, const double &Cuc, const double &Cis, const double &Cic, const double &Crs, const double &Crc, const double &svAccuracy, uint8_t svHealth, uint8_t L2ChannelCodes, bool L2DataFlagPCode, const double &T_GD, const double &fitInterval)
	Constructor.

	GPSEphemeris (GPSEphemeris &&)=default
	Move constructor.

bool	isHealthy () const final
	Checks whether the signal is healthy.

GPSEphemeris &	operator= (const GPSEphemeris &)=delete
	Copy assignment operator.

GPSEphemeris &	operator= (GPSEphemeris &&)=delete
	Move assignment operator.

	~GPSEphemeris () final=default
	Destructor.

Public Member Functions inherited from NAV::SatNavData
SatNavData &	operator= (const SatNavData &)=delete
	Copy assignment operator.

SatNavData &	operator= (SatNavData &&)=delete
	Move assignment operator.

	SatNavData (const SatNavData &)=default
	Copy constructor.

	SatNavData (SatNavData &&)=default
	Move constructor.

	SatNavData (Type type, const InsTime &refTime)
	Constructor.

	~SatNavData () override=default
	Destructor.

Public Member Functions inherited from NAV::Clock
	Clock ()=default
	Default Constructor.

	Clock (Clock &&)=default
	Move constructor.

	Clock (const Clock &)=default
	Copy constructor.

Clock &	operator= (Clock &&)=delete
	Move assignment operator.

Clock &	operator= (const Clock &)=delete
	Copy assignment operator.

virtual	~Clock ()=default
	Destructor.

Public Member Functions inherited from NAV::Orbit
Pos	calcSatellitePos (const InsTime &transTime) const
	Calculates position of the satellite at transmission time.

PosVel	calcSatellitePosVel (const InsTime &transTime) const
	Calculates position and velocity of the satellite at transmission time.

PosVelAccel	calcSatellitePosVelAccel (const InsTime &transTime) const
	Calculates position, velocity and acceleration of the satellite at transmission time.

Orbit &	operator= (const Orbit &)=delete
	Copy assignment operator.

Orbit &	operator= (Orbit &&)=delete
	Move assignment operator.

	Orbit ()=default
	Default Constructor.

	Orbit (const Orbit &)=default
	Copy constructor.

	Orbit (Orbit &&)=default
	Move constructor.

virtual	~Orbit ()=default
	Destructor.

Data Fields
std::array< double, 3 >	a

double	Cic
	Amplitude of the cosine harmonic correction term to the angle of inclination [rad].

double	Cis
	Amplitude of the sine harmonic correction term to the angle of inclination [rad].

double	Crc
	Amplitude of the cosine harmonic correction term to the orbit radius [m].

double	Crs
	Amplitude of the sine harmonic correction term to the orbit radius [m].

double	Cuc
	Amplitude of the cosine harmonic correction term to the argument of latitude [rad].

double	Cus
	Amplitude of the sine harmonic correction term to the argument of latitude [rad].

double	delta_n
	Mean motion difference from computed value [rad/s].

double	e
	Eccentricity [-].

double	fitInterval
	Fit Interval of ephemerides [h].

double	i_0
	Inclination angle at reference time [rad].

double	i_dot
	Rate of change of inclination [rad/s].

size_t	IODC
	Issue of Data, Clock.

size_t	IODE
	Issue of Data, Ephemeris.

uint8_t	L2ChannelCodes
	Indicate which code(s) is (are) commanded ON for the in-phase component of the L2 channel.

bool	L2DataFlagPCode
	Data Flag for L2 P-Code.

double	M_0
	Mean anomaly at reference time [rad].

double	omega
	Argument of perigee [rad].

double	Omega_0
	Longitude of the ascending node at reference time [rad].

double	Omega_dot
	Rate of change of right ascension [rad/s].

double	sqrt_A
	Square root of the semi-major axis [m^1/2].

double	svAccuracy
	SV accuracy [m].

uint8_t	svHealth
	SV health.

double	T_GD
	Estimated Group Delay Differential. L1 and L2 correction term [s].

InsTime	toc
	Time of Clock.

InsTime	toe
	Time of Ephemeris.

Data Fields inherited from NAV::SatNavData
InsTime	refTime
	Reference time of the information.

const Type	type
	Child type (for down-casting)

Private Member Functions
PosVelAccel	calcSatelliteData (const InsTime &transTime, Orbit::Calc calc) const final
	Calculates position, velocity and acceleration of the satellite at transmission time.

Additional Inherited Members
Public Types inherited from NAV::SatNavData
enum	Type : uint8_t { GPSEphemeris , GalileoEphemeris , GLONASSEphemeris , BeiDouEphemeris , QZSSEphemeris , IRNSSEphemeris , SBASEphemeris }
	Child type. More...

Protected Types inherited from NAV::Orbit
enum	Calc : uint8_t { Calc_None , Calc_Position , Calc_Velocity , Calc_Acceleration }
	Calculation flags. More...

Detailed Description

Broadcasted ephemeris message data.

Note: See [21] IS-GPS-200M, Table 20-III, p. 105

Description of the GPS satellite orbits

Definition at line 27 of file GPSEphemeris.hpp.

Constructor & Destructor Documentation

◆ GPSEphemeris() [1/4]

NAV::GPSEphemeris::GPSEphemeris ( const InsTime & toc )

explicit

Default Constructor.

Parameters

[in] toc Time the Clock information is calculated (Time of Clock)

Definition at line 19 of file GPSEphemeris.cpp.

◆ GPSEphemeris() [2/4]

NAV::GPSEphemeris::GPSEphemeris	(	const InsTime &	toc,
		const InsTime &	toe,
		const size_t &	IODE,
		const size_t &	IODC,
		const std::array< double, 3 > &	a,
		const double &	sqrt_A,
		const double &	e,
		const double &	i_0,
		const double &	Omega_0,
		const double &	omega,
		const double &	M_0,
		const double &	delta_n,
		const double &	Omega_dot,
		const double &	i_dot,
		const double &	Cus,
		const double &	Cuc,
		const double &	Cis,
		const double &	Cic,
		const double &	Crs,
		const double &	Crc,
		const double &	svAccuracy,
		uint8_t	svHealth,
		uint8_t	L2ChannelCodes,
		bool	L2DataFlagPCode,
		const double &	T_GD,
		const double &	fitInterval )

Constructor.

Parameters

[in]	toc	Time the Clock information is calculated (Time of Clock)
[in]	toe	Time the Orbit information is calculated (Time of Ephemeris)
[in]	IODE	Issue of Data, Ephemeris
[in]	IODC	Issue of Data, Clock
[in]	a	Polynomial coefficients for clock correction (a0 bias [s], a1 drift [s/s], a2 drift rate (aging) [s/s^2])
[in]	sqrt_A	Square root of the semi-major axis [m^1/2]
[in]	e	Eccentricity [-]
[in]	i_0	Inclination angle at reference time [rad]
[in]	Omega_0	Longitude of the ascending node at reference time [rad]
[in]	omega	Argument of perigee [rad]
[in]	M_0	Mean anomaly at reference time [rad]
[in]	delta_n	Mean motion difference from computed value [rad/s]
[in]	Omega_dot	Rate of change of right ascension [rad/s]
[in]	i_dot	Rate of change of inclination [rad/s]
[in]	Cus	Amplitude of the sine harmonic correction term to the argument of latitude [rad]
[in]	Cuc	Amplitude of the cosine harmonic correction term to the argument of latitude [rad]
[in]	Cis	Amplitude of the sine harmonic correction term to the angle of inclination [rad]
[in]	Cic	Amplitude of the cosine harmonic correction term to the angle of inclination [rad]
[in]	Crs	Amplitude of the sine harmonic correction term to the orbit radius [m]
[in]	Crc	Amplitude of the cosine harmonic correction term to the orbit radius [m]
[in]	svAccuracy	SV accuracy [m]
[in]	svHealth	Signal Health
[in]	L2ChannelCodes	Indicate which code(s) is (are) commanded ON for the in-phase component of the L2 channel
[in]	L2DataFlagPCode	Data Flag for L2 P-Code
[in]	T_GD	Estimated Group Delay Differential. L1 and L2 correction term [s]
[in]	fitInterval	Fit Interval of ephemerides [h]

Definition at line 22 of file GPSEphemeris.cpp.

◆ ~GPSEphemeris()

NAV::GPSEphemeris::~GPSEphemeris ( )

finaldefault

Destructor.

◆ GPSEphemeris() [3/4]

NAV::GPSEphemeris::GPSEphemeris ( const GPSEphemeris & )

default

Copy constructor.

◆ GPSEphemeris() [4/4]

NAV::GPSEphemeris::GPSEphemeris ( GPSEphemeris && )

default

Move constructor.

Member Function Documentation

◆ calcClockCorrections()

Clock::Corrections NAV::GPSEphemeris::calcClockCorrections	(	const InsTime &	recvTime,
		double	dist,
		const Frequency &	freq ) const

nodiscardfinalvirtual

Calculates clock bias and drift of the satellite.

Parameters

[in]	recvTime	Receive time of the signal
[in]	dist	Distance between receiver and satellite (normally the pseudorange) [m]
[in]	freq	Signal Frequency

Implements NAV::Clock.

Definition at line 101 of file GPSEphemeris.cpp.

◆ calcSatelliteData()

Orbit::PosVelAccel NAV::GPSEphemeris::calcSatelliteData	(	const InsTime &	transTime,
		Orbit::Calc	calc ) const

nodiscardfinalprivatevirtual

Calculates position, velocity and acceleration of the satellite at transmission time.

Parameters

[in]	transTime	Transmit time of the signal
[in]	calc	Flags which determine what should be calculated and returned

Note: See [21] IS-GPS-200 ch. 20.3.3.4.3.1 Table 20-IV p.106-109

Implements NAV::Orbit.

Definition at line 177 of file GPSEphemeris.cpp.

◆ calcSatellitePositionVariance()

double NAV::GPSEphemeris::calcSatellitePositionVariance ( ) const

nodiscardfinalvirtual

Calculates the Variance of the satellite position in [m^2].

Implements NAV::Orbit.

Definition at line 322 of file GPSEphemeris.cpp.

◆ isHealthy()

bool NAV::GPSEphemeris::isHealthy ( ) const

nodiscardfinalvirtual

Checks whether the signal is healthy.

Implements NAV::SatNavData.

Definition at line 317 of file GPSEphemeris.cpp.

◆ operator=() [1/2]

GPSEphemeris & NAV::GPSEphemeris::operator= ( const GPSEphemeris & )

delete

Copy assignment operator.

◆ operator=() [2/2]

GPSEphemeris & NAV::GPSEphemeris::operator= ( GPSEphemeris && )

delete

Move assignment operator.

Field Documentation

◆ a

std::array<double, 3> NAV::GPSEphemeris::a

Polynomial coefficients for clock correction

a(0) bias [s]
a(1) drift [s/s]
a(2) drift rate (aging) [s/s^2]

Note: See [21] GPS ICD, ch. 20.3.3.3.1.8, p.95

Definition at line 64 of file GPSEphemeris.hpp.

◆ Cic

double NAV::GPSEphemeris::Cic

Amplitude of the cosine harmonic correction term to the angle of inclination [rad].

Definition at line 83 of file GPSEphemeris.hpp.

◆ Cis

double NAV::GPSEphemeris::Cis

Amplitude of the sine harmonic correction term to the angle of inclination [rad].

Definition at line 82 of file GPSEphemeris.hpp.

◆ Crc

double NAV::GPSEphemeris::Crc

Amplitude of the cosine harmonic correction term to the orbit radius [m].

Definition at line 85 of file GPSEphemeris.hpp.

◆ Crs

double NAV::GPSEphemeris::Crs

Amplitude of the sine harmonic correction term to the orbit radius [m].

Definition at line 84 of file GPSEphemeris.hpp.

◆ Cuc

double NAV::GPSEphemeris::Cuc

Amplitude of the cosine harmonic correction term to the argument of latitude [rad].

Definition at line 81 of file GPSEphemeris.hpp.

◆ Cus

double NAV::GPSEphemeris::Cus

Amplitude of the sine harmonic correction term to the argument of latitude [rad].

Definition at line 80 of file GPSEphemeris.hpp.

◆ delta_n

double NAV::GPSEphemeris::delta_n

Mean motion difference from computed value [rad/s].

Definition at line 77 of file GPSEphemeris.hpp.

◆ e

double NAV::GPSEphemeris::e

Eccentricity [-].

Definition at line 69 of file GPSEphemeris.hpp.

◆ fitInterval

double NAV::GPSEphemeris::fitInterval

Fit Interval of ephemerides [h].

Note: See [21] GPS ICD, ch. 20.3.3.4.1, p.102

Definition at line 131 of file GPSEphemeris.hpp.

◆ i_0

double NAV::GPSEphemeris::i_0

Inclination angle at reference time [rad].

Definition at line 70 of file GPSEphemeris.hpp.

◆ i_dot

double NAV::GPSEphemeris::i_dot

Rate of change of inclination [rad/s].

Definition at line 79 of file GPSEphemeris.hpp.

◆ IODC

size_t NAV::GPSEphemeris::IODC

Issue of Data, Clock.

Indicates the issue number of the data set and thereby provides the user with a convenient means of detecting any change in the subframe 1 core CEI data. Constraints on the IODC as well as the relationship between the IODC and the IODE (issue of data, ephemeris) terms are defined in [21] GPS ICD, ch. 20.3.4.4.

Note: See [21] GPS ICD, ch. 20.3.3.3.1.5, p.95

Definition at line 56 of file GPSEphemeris.hpp.

◆ IODE

size_t NAV::GPSEphemeris::IODE

Issue of Data, Ephemeris.

Provides the user with a convenient means for detecting any change in the ephemeris representation parameters

Note: See [21] GPS ICD, ch. 20.3.3.4.1, p.102

Definition at line 47 of file GPSEphemeris.hpp.

◆ L2ChannelCodes

uint8_t NAV::GPSEphemeris::L2ChannelCodes

Indicate which code(s) is (are) commanded ON for the in-phase component of the L2 channel.

00 = Invalid, 01 = P-code ON, 10 = C/A-code ON, 11 = Invalid.

These bits provide no indication of which code(s), if any, may be commanded ON for the quadrature component of the L2 channel.

Note: See [21] GPS ICD, ch. 20.3.3.3.1.2, p. 92

Definition at line 115 of file GPSEphemeris.hpp.

◆ L2DataFlagPCode

bool NAV::GPSEphemeris::L2DataFlagPCode

Data Flag for L2 P-Code.

1 indicates that the LNAV data stream was commanded OFF on the P-code of the in-phase component of the L2 channel. This bit provides no indication of whether LNAV data is or is not present on any code modulated on the quadrature component of the L2 channel.

Note: See [21] GPS ICD, ch. 20.3.3.3.1.6, p. 95

Definition at line 123 of file GPSEphemeris.hpp.

◆ M_0

double NAV::GPSEphemeris::M_0

Mean anomaly at reference time [rad].

Definition at line 73 of file GPSEphemeris.hpp.

◆ omega

double NAV::GPSEphemeris::omega

Argument of perigee [rad].

Definition at line 72 of file GPSEphemeris.hpp.

◆ Omega_0

double NAV::GPSEphemeris::Omega_0

Longitude of the ascending node at reference time [rad].

Definition at line 71 of file GPSEphemeris.hpp.

◆ Omega_dot

double NAV::GPSEphemeris::Omega_dot

Rate of change of right ascension [rad/s].

Definition at line 78 of file GPSEphemeris.hpp.

◆ sqrt_A

double NAV::GPSEphemeris::sqrt_A

Square root of the semi-major axis [m^1/2].

Definition at line 68 of file GPSEphemeris.hpp.

◆ svAccuracy

double NAV::GPSEphemeris::svAccuracy

SV accuracy [m].

Derived from an URA index of the SV for the standard positioning service user.

Note: See [21] GPS ICD, ch. 20.3.3.3.1.3, p.92ff

Definition at line 94 of file GPSEphemeris.hpp.

◆ svHealth

uint8_t NAV::GPSEphemeris::svHealth

SV health.

0 = all LNAV data are OK 1 = some or all LNAV data are bad

Note: See [21] GPS ICD, ch. 20.3.3.3.1.4, p. 94; See [21] GPS ICD, ch. 20.3.3.5.1.3, p. 117ff

Definition at line 103 of file GPSEphemeris.hpp.

◆ T_GD

double NAV::GPSEphemeris::T_GD

Estimated Group Delay Differential. L1 and L2 correction term [s].

Note: See [21] GPS ICD, ch. 20.3.3.3.1.7, p. 95

Definition at line 127 of file GPSEphemeris.hpp.

◆ toc

InsTime NAV::GPSEphemeris::toc

Time of Clock.

Definition at line 37 of file GPSEphemeris.hpp.

◆ toe

InsTime NAV::GPSEphemeris::toe

Time of Ephemeris.

Definition at line 40 of file GPSEphemeris.hpp.

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

/home/runner/work/INSTINCT/INSTINCT/src/Navigation/GNSS/Satellite/Ephemeris/GPSEphemeris.hpp
/home/runner/work/INSTINCT/INSTINCT/src/Navigation/GNSS/Satellite/Ephemeris/GPSEphemeris.cpp

Public Member Functions

Data Fields

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ GPSEphemeris() [1/4]

◆ GPSEphemeris() [2/4]

◆ ~GPSEphemeris()

◆ GPSEphemeris() [3/4]

◆ GPSEphemeris() [4/4]

Member Function Documentation

◆ calcClockCorrections()

◆ calcSatelliteData()

◆ calcSatellitePositionVariance()

◆ isHealthy()

◆ operator=() [1/2]

◆ operator=() [2/2]

Field Documentation

◆ a

◆ Cic

◆ Cis

◆ Crc

◆ Crs

◆ Cuc

◆ Cus

◆ delta_n

◆ e

◆ fitInterval

◆ i_0

◆ i_dot

◆ IODC

◆ IODE

◆ L2ChannelCodes

◆ L2DataFlagPCode

◆ M_0

◆ omega

◆ Omega_0

◆ Omega_dot

◆ sqrt_A

◆ svAccuracy

◆ svHealth

◆ T_GD

◆ toc

◆ toe