org.orekit.files.ilrs

Class CRD.RangeMeasurement

java.lang.Object

org.orekit.files.ilrs.CRD.RangeMeasurement

All Implemented Interfaces:

TimeStamped

Enclosing class:

CRD

public static class CRD.RangeMeasurement
extends Object
implements TimeStamped

Range record.

Constructor Summary

Constructors

Constructor and Description
RangeMeasurement(AbsoluteDate date, double timeOfFlight, int epochEvent) Constructor.
RangeMeasurement(AbsoluteDate date, double timeOfFlight, int epochEvent, double snr) Constructor.

Method Summary

Modifier and Type	Method and Description
AbsoluteDate	getDate() Get the date.
int	getEpochEvent() Get the indicator for the time event reference.
double	getSnr() Get the signal to noise ratio.
double	getTimeOfFlight() Get the time-of-flight.

Methods inherited from class java.lang.Object

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

Constructor Detail

RangeMeasurement

public RangeMeasurement(AbsoluteDate date,
                        double timeOfFlight,
                        int epochEvent)

Constructor.

Parameters:

date - data epoch

timeOfFlight - time of flight in seconds

epochEvent - indicates the time event reference

RangeMeasurement

public RangeMeasurement(AbsoluteDate date,
                        double timeOfFlight,
                        int epochEvent,
                        double snr)

Constructor.

Parameters:

date - data epoch

timeOfFlight - time of flight in seconds

epochEvent - indicates the time event reference

snr - signal to noise ratio (can be Double.NaN if unkonwn)

Method Detail

getTimeOfFlight

public double getTimeOfFlight()

Get the time-of-flight.

Returns:

the time-of-flight in seconds

getEpochEvent

public int getEpochEvent()

Get the indicator for the time event reference.

• 0 = ground receive time (at SRP) (two-way)
• 1 = spacecraft bounce time (two-way)
• 2 = ground transmit time (at SRP) (two-way)
• 3 = spacecraft receive time (one-way)
• 4 = spacecraft transmit time (one-way)
• 5 = ground transmit time (at SRP) and spacecraft receive time (one-way)
• 6 = spacecraft transmit time and ground receive time (at SRP) (one-way)

Currently, only 1 and 2 are used for laser ranging data

Returns:

the indicator for the time event reference

getSnr

public double getSnr()

Get the signal to noise ratio.

Returns:

the signal to noise ratio

getDate

public AbsoluteDate getDate()

Get the date.

Specified by:

getDate in interface TimeStamped

Returns:

date attached to the object