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

Class BeidouLegacyNavigationMessage

java.lang.Object

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

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

org.orekit.propagation.analytical.gnss.data.BeidouLegacyNavigationMessage

All Implemented Interfaces:

OrbitalParameters, GNSSClockElements, NavigationMessage, TimeStamped

public class BeidouLegacyNavigationMessage
extends AbstractNavigationMessage<BeidouLegacyNavigationMessage>

Container for data contained in a BeiDou navigation message.

Since:

11.0

Author:

Bryan Cazabonne

Field Summary

Fields

Modifier and Type	Field	Description
static final String	D1	Identifier for message type.
static final String	D2	Identifier for message type.

Constructor Summary

Constructors

Constructor	Description
BeidouLegacyNavigationMessage(boolean d2, 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 aode, int aodc, int satH1, double tgd1, double tgd2, double svAccuracy)	Constructor.
BeidouLegacyNavigationMessage(FieldBeidouLegacyNavigationMessage<T> original)	Constructor from field instance.

Method Summary

Modifier and Type	Method	Description
BeidouLegacyNavigationMessageFactory	baseFactory(Frame inertial, Frame bodyFixed)	Factory for the orbital elements.
int	getAODC()	Getter for the Age Of Data Clock (AODC).
int	getAODE()	Getter for the Age Of Data Ephemeris (AODE).
int	getSatH1()	Get the health identifier.
double	getSvAccuracy()	Getter for the user SV accuray (meters).
double	getTGD1()	Getter for the estimated group delay differential TGD1 for B1I signal.
double	getTGD2()	Getter for the estimated group delay differential TGD for B2I signal.
boolean	isD2()	Check if message is a D2 message.
<T extends CalculusFieldElement<T>> FieldBeidouLegacyNavigationMessage<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

D1

public static final String D1

Identifier for message type.

See Also:

• Constant Field Values

D2

public static final String D2

Identifier for message type.

See Also:

• Constant Field Values

Constructor Details

BeidouLegacyNavigationMessage

public BeidouLegacyNavigationMessage(boolean d2,
 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 aode,
 int aodc,
 int satH1,
 double tgd1,
 double tgd2,
 double svAccuracy)

Constructor.

Parameters:

d2 - indicator for D2 messages

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

aode - age of data, ephemeris

aodc - age of data, clock

satH1 - health identifier

tgd1 - B1/B3 Group Delay Differential (s)

tgd2 - B2/B3 Group Delay Differential (s)

svAccuracy - user SV accuracy (m)

BeidouLegacyNavigationMessage

public BeidouLegacyNavigationMessage(FieldBeidouLegacyNavigationMessage<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>>
FieldBeidouLegacyNavigationMessage<T> toField(FieldKeplerianOrbit<T> orbit,
 T[] nonKeplerian,
 DoubleFunction<T> converter)

Create another field version of the instance.

Specified by:

toField in class GNSSOrbitalElements<BeidouLegacyNavigationMessage>

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

isD2

public boolean isD2()

Check if message is a D2 message.

Returns:

true if message is a D2 message

Since:

14.0

getAODC

public int getAODC()

Getter for the Age Of Data Clock (AODC).

Returns:

the Age Of Data Clock (AODC)

getAODE

public int getAODE()

Getter for the Age Of Data Ephemeris (AODE).

Returns:

the Age Of Data Ephemeris (AODE)

getTGD1

public double getTGD1()

Getter for the estimated group delay differential TGD1 for B1I signal.

Returns:

the estimated group delay differential TGD1 for B1I signal (s)

getTGD2

public double getTGD2()

Getter for the estimated group delay differential TGD for B2I signal.

Returns:

the estimated group delay differential TGD2 for B2I signal (s)

getSvAccuracy

public double getSvAccuracy()

Getter for the user SV accuray (meters).

Returns:

the user SV accuracy

getSatH1

public int getSatH1()

Get the health identifier.

Returns:

health identifier

Since:

14.0

baseFactory

public BeidouLegacyNavigationMessageFactory baseFactory(Frame inertial,
 Frame bodyFixed)

Factory for the orbital elements.

Specified by:

baseFactory in class GNSSOrbitalElements<BeidouLegacyNavigationMessage>

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