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

Class AbstractNavigationMessage<O extends AbstractNavigationMessage<O>>

java.lang.Object

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

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

Type Parameters:

O - type of the orbital elements

All Implemented Interfaces:

OrbitalParameters, GNSSClockElements, NavigationMessage, TimeStamped

Direct Known Subclasses:

BeidouCivilianNavigationMessage, BeidouLegacyNavigationMessage, CivilianNavigationMessage, GalileoNavigationMessage, LegacyNavigationMessage, NavICL1NvNavigationMessage

public abstract class AbstractNavigationMessage<O extends AbstractNavigationMessage<O>>
extends GNSSOrbitalElements<O>
implements NavigationMessage

Base class for GNSS navigation messages.

Since:

11.0

Author:

Bryan Cazabonne

See Also:

• GPSLegacyNavigationMessage
• GalileoNavigationMessage
• BeidouLegacyNavigationMessage
• QZSSLegacyNavigationMessage
• NavICLegacyNavigationMessage

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractNavigationMessage(double angularVelocity, int weeksInCycle, 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)	Constructor.
protected	AbstractNavigationMessage(FieldAbstractNavigationMessage<T,A> original)	Constructor from field instance.

Method Summary

Modifier and Type	Method	Description
String	getNavigationMessageSubType()	Get navigation message subtype.
String	getNavigationMessageType()	Get navigation message type.
GNSSDate	getTransmissionTime()	Get transmission time.

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

baseFactory, 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, 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

Constructor Details

AbstractNavigationMessage

protected AbstractNavigationMessage(double angularVelocity,
 int weeksInCycle,
 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)

Constructor.

Parameters:

angularVelocity - mean angular velocity of the Earth for the GNSS model

weeksInCycle - number of weeks in the GNSS cycle

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

AbstractNavigationMessage

protected AbstractNavigationMessage(FieldAbstractNavigationMessage<T,A> original)

Constructor from field instance.

Type Parameters:

T - type of the field elements

A - type of the orbital elements (non-field version)

Parameters:

original - regular field instance

Method Details

getNavigationMessageType

public String getNavigationMessageType()

Get navigation message type.

Specified by:

getNavigationMessageType in interface NavigationMessage

Returns:

the navigation message type

getNavigationMessageSubType

public String getNavigationMessageSubType()

Get navigation message subtype.

Specified by:

getNavigationMessageSubType in interface NavigationMessage

Returns:

the navigation message type

getTransmissionTime

public GNSSDate getTransmissionTime()

Get transmission time.

Returns:

transmission time

Since:

12.0