Package org.orekit.propagation.analytical.gnss.data

Class GalileoNavigationMessage

java.lang.Object

org.orekit.propagation.analytical.gnss.data.GNSSOrbitalElements<GalileoNavigationMessage>

org.orekit.propagation.analytical.gnss.data.AbstractNavigationMessage<GalileoNavigationMessage>

org.orekit.propagation.analytical.gnss.data.GalileoNavigationMessage

All Implemented Interfaces:

OrbitalParameters, GNSSClockElements, NavigationMessage, TimeStamped

public class GalileoNavigationMessage
extends AbstractNavigationMessage<GalileoNavigationMessage>

Container for data contained in a Galileo navigation message.

Since:

11.0

Author:

Bryan Cazabonne

Field Summary

Fields

Modifier and Type	Field	Description
static final String	FNAV	Message type.
static final String	INAV	Message type.

Constructor Summary

Constructors

Constructor	Description
GalileoNavigationMessage(FieldGalileoNavigationMessage<T> original)	Constructor from field instance.
GalileoNavigationMessage(TimeScales timeScales, String type, int prn, GNSSDate toe, KeplerianOrbit orbit, double aDot, double deltaN0, double deltaN0Dot, double iDot, double omegaDot, double cuc, double cus, double crc, double crs, double cic, double cis, double af0, double af1, double af2, double tgd, GNSSDate toc, GNSSDate transmissionTime, int iodNav, int dataSource, double bgdE1E5a, double bgdE5bE1, double sisa, double svHealth)	Constructor.

Method Summary

Modifier and Type	Method	Description
GalileoNavigationMessageFactory	baseFactory(Frame inertial, Frame bodyFixed)	Factory for the orbital elements.
double	getBGDE1E5a()	Get the E1/E5a broadcast group delay.
double	getBGDE5bE1()	Get the Broadcast Group Delay E5b/E1.
int	getDataSource()	Get the data source.
int	getIODNav()	Get the Issue Of Data (IOD).
double	getSisa()	Get the signal in space accuracy (m).
double	getSvHealth()	Get the SV health status.
<T extends CalculusFieldElement<T>> FieldGalileoNavigationMessage<T>	toField(FieldKeplerianOrbit<T> orbit, T[] nonKeplerian, DoubleFunction<T> converter)	Create another field version of the instance.

Methods inherited from class org.orekit.propagation.analytical.gnss.data.AbstractNavigationMessage

getNavigationMessageSubType, getNavigationMessageType, getTransmissionTime

Methods inherited from class org.orekit.propagation.analytical.gnss.data.GNSSOrbitalElements

factory, getADot, getAf0, getAf1, getAf2, getAngularVelocity, getCic, getCis, getCrc, getCrs, getCuc, getCus, getCycleDuration, getDate, getDeltaN0, getDeltaN0Dot, getIDot, getOmegaDot, getOrbit, getPrn, getTgd, getTimeOfClock, getTimeOfEphemeris, getTimeScales, getType, getWeeksInCycle, isCivilianMessage, toField

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.orekit.time.TimeStamped

durationFrom, getDate

Field Details

INAV

public static final String INAV

Message type.

Since:

14.0

See Also:

• Constant Field Values

FNAV

public static final String FNAV

Message type.

Since:

14.0

See Also:

• Constant Field Values

Constructor Details

GalileoNavigationMessage

public GalileoNavigationMessage(TimeScales timeScales,
 String type,
 int prn,
 GNSSDate toe,
 KeplerianOrbit orbit,
 double aDot,
 double deltaN0,
 double deltaN0Dot,
 double iDot,
 double omegaDot,
 double cuc,
 double cus,
 double crc,
 double crs,
 double cic,
 double cis,
 double af0,
 double af1,
 double af2,
 double tgd,
 GNSSDate toc,
 GNSSDate transmissionTime,
 int iodNav,
 int dataSource,
 double bgdE1E5a,
 double bgdE5bE1,
 double sisa,
 double svHealth)

Constructor.

Parameters:

timeScales - known time scales

type - message type

prn - PRN number of the satellite

toe - time of ephemeris (must be consistent with orbit)

orbit - Keplerian orbit in Earth-frozen frame

aDot - change rate in semi-major axis (m/s)

deltaN0 - delta of satellite mean motion

deltaN0Dot - change rate in Δn₀

iDot - inclination rate (rad/s)

omegaDot - rate of right ascension (rad/s)

cuc - amplitude of the cosine harmonic correction term to the argument of latitude

cus - amplitude of the sine harmonic correction term to the argument of latitude

crc - amplitude of the cosine harmonic correction term to the orbit radius

crs - amplitude of the sine harmonic correction term to the orbit radius

cic - amplitude of the cosine harmonic correction term to the inclination

cis - amplitude of the sine harmonic correction term to the inclination

af0 - zero-th order clock correction (s)

af1 - first order clock correction (s/s)

af2 - second order clock correction (s/s²)

tgd - group delay differential TGD for L1-L2 correction

toc - time of clock

transmissionTime - transmission time

iodNav - issue of Data of the navigation batch

dataSource - data source

bgdE1E5a - E1/E5a broadcast group delay (s)

bgdE5bE1 - E5b/E1 broadcast group delay (s)

sisa - signal in space accuracy

svHealth - satellite health status

GalileoNavigationMessage

public GalileoNavigationMessage(FieldGalileoNavigationMessage<T> original)

Constructor from field instance.

Type Parameters:

T - type of the field elements

Parameters:

original - regular field instance

Method Details

toField

public <T extends CalculusFieldElement<T>>
FieldGalileoNavigationMessage<T> toField(FieldKeplerianOrbit<T> orbit,
 T[] nonKeplerian,
 DoubleFunction<T> converter)

Create another field version of the instance.

Specified by:

toField in class GNSSOrbitalElements<GalileoNavigationMessage>

Type Parameters:

T - type of the field elements

Parameters:

orbit - orbit in the correct gradient field

nonKeplerian - non-Keplerian parameters

converter - converter for remaining elements

Returns:

gradient version of the instance

getIODNav

public int getIODNav()

Get the Issue Of Data (IOD).

Returns:

Issue Of Data (IOD)

getDataSource

public int getDataSource()

Get the data source.

Returns:

the data source

Since:

12.0

getBGDE1E5a

public double getBGDE1E5a()

Get the E1/E5a broadcast group delay.

Returns:

the E1/E5a broadcast group delay (s)

getBGDE5bE1

public double getBGDE5bE1()

Get the Broadcast Group Delay E5b/E1.

Returns:

the Broadcast Group Delay E5b/E1 (s)

getSisa

public double getSisa()

Get the signal in space accuracy (m).

Returns:

the signal in space accuracy

getSvHealth

public double getSvHealth()

Get the SV health status.

Returns:

the SV health status

baseFactory

public GalileoNavigationMessageFactory baseFactory(Frame inertial,
 Frame bodyFixed)

Factory for the orbital elements.

Specified by:

baseFactory in class GNSSOrbitalElements<GalileoNavigationMessage>

Parameters:

inertial - reference inertial frame

bodyFixed - body fixed frame (will be frozen at date to build the orbital elements

Returns:

factory for the orbital elements