Class BeidouMeo

  • All Implemented Interfaces:
    AttitudeProvider, GNSSAttitudeProvider
    Direct Known Subclasses:
    BeidouIGSO

    public class BeidouMeo
    extends Object
    Attitude providers for Beidou Medium Earth Orbit navigation satellites.
    Since:
    9.2
    Author:
    Luc Maisonobe Java translation
    • Constructor Detail

      • BeidouMeo

        public BeidouMeo​(AbsoluteDate validityStart,
                         AbsoluteDate validityEnd,
                         ExtendedPVCoordinatesProvider sun,
                         Frame inertialFrame)
        Simple constructor.
        Parameters:
        validityStart - start of validity for this provider
        validityEnd - end of validity for this provider
        sun - provider for Sun position
        inertialFrame - inertial frame where velocity are computed
    • Method Detail

      • correctedYaw

        protected TimeStampedAngularCoordinates correctedYaw​(org.orekit.gnss.attitude.GNSSAttitudeContext context)
        Select the /** Compute GNSS attitude with midnight/noon yaw turn correction.
        Parameters:
        context - context data for attitude computation
        Returns:
        corrected yaw, using inertial frame as the reference
      • correctedYaw

        protected <T extends CalculusFieldElement<T>> TimeStampedFieldAngularCoordinates<T> correctedYaw​(org.orekit.gnss.attitude.GNSSFieldAttitudeContext<T> context)
        Compute GNSS attitude with midnight/noon yaw turn correction.
        Type Parameters:
        T - type of the field elements
        Parameters:
        context - context data for attitude computation
        Returns:
        corrected yaw, using inertial frame as the reference
      • getAttitude

        public Attitude getAttitude​(PVCoordinatesProvider pvProv,
                                    AbsoluteDate date,
                                    Frame frame)
        Compute the attitude corresponding to an orbital state.
        Specified by:
        getAttitude in interface AttitudeProvider
        Parameters:
        pvProv - local position-velocity provider around current date
        date - current date
        frame - reference frame from which attitude is computed
        Returns:
        attitude on the specified date and position-velocity state
      • getAttitude

        public <T extends CalculusFieldElement<T>> FieldAttitude<T> getAttitude​(FieldPVCoordinatesProvider<T> pvProv,
                                                                                FieldAbsoluteDate<T> date,
                                                                                Frame frame)
        Compute the attitude corresponding to an orbital state.
        Specified by:
        getAttitude in interface AttitudeProvider
        Type Parameters:
        T - type of the field elements
        Parameters:
        pvProv - local position-velocity provider around current date
        date - current date
        frame - reference frame from which attitude is computed
        Returns:
        attitude on the specified date and position-velocity state
      • getInertialFrame

        protected Frame getInertialFrame()
        Get inertial frame where velocity are computed.
        Returns:
        inertial frame where velocity are computed