PreciseRange Class Reference
[Ephemeris calculations]

#include <PreciseRange.hpp>

Collaboration diagram for PreciseRange:

[legend]List of all members.

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Detailed Description

class PreciseRange.

Compute the corrected range from receiver at position Rx, to the GPS satellite given by SatID sat, as well as azimuth, elevation, etc., given a nominal timetag (either received or transmitted time) and an XvtStore.

Definition at line 72 of file PreciseRange.hpp.

Public Member Functions
	PreciseRange ()
	Default constructor.
double	ComputeAtTransmitTime (const DayTime &nomRecTime, const double pr, const Position &Rx, const SatID sat, const AntexData &antenna, const SolarSystem &SSEph, const EarthOrientation &EO, const XvtStore< SatID > &Eph, const bool isCOM=false) throw (Exception)
	Compute the corrected range at transmit time from ephemeris is the given XvtStore, from receiver at position Rx with measured pseudorange pr and time tag nomRecTime, to the GPS satellite given by SatID sat, as well as all the CER quantities.
double	ComputeAtTransmitTime (const DayTime &nomRecTime, const double pr, const Position &Rx, const SatID sat, const XvtStore< SatID > &Eph) throw (Exception)
	Version with no antenna; cf. doc for other version.
double	ComputeAtTransmitTime (const DayTime &nomRecTime, const double pr, const Position &Rx, const SatID sat, const AntexData &antenna, const XvtStore< SatID > &Eph) throw (Exception)
	Version without high-accuracy SolarSystem; cf. doc for other version.
Public Attributes
double	rawrange
	The computed raw (geometric) range in meters, with NO corrections applied; to correct it, use rawrange -= satclkbias+relativity+relativity2-satLOSPCO-satLOSPCV.
double	relativity
	The relativity correction in meters, and high precision correction.
double	relativity2
	The relativity correction in meters, and high precision correction.
Position	SatR
	The satellite position (m) and velocity (m/s) in ECEF coordinates.
Position	SatV
	The satellite position (m) and velocity (m/s) in ECEF coordinates.
double	satclkbias
	The satellite clock bias (m) and drift (m/s) at transmit time, from XvtStore.
double	satclkdrift
	The satellite clock bias (m) and drift (m/s) at transmit time, from XvtStore.
double	elevation
	The satellite elevation (spheroidal), as seen at the receiver, in degrees.
double	azimuth
	The satellite azimuth (spheroidal), as seen at the receiver, in degrees.
double	elevationGeodetic
	The satellite elevation (geodetic), as seen at the receiver, in degrees.
double	azimuthGeodetic
	The satellite azimuth (geodetic), as seen at the receiver, in degrees.
DayTime	transmit
	The computed transmit time of the signal.
Triple	cosines
	The direction cosines of the satellite, as seen at the receiver (XYZ).
double	satLOSPCO
	The net line-of-sight offset, in the direction from sat to rx, of the antenna PCO and PCVs, meters.
double	satLOSPCV
	The net line-of-sight offset, in the direction from sat to rx, of the antenna PCO and PCVs, meters.
Vector< double >	SatPCOXYZ
	The Satellite PCO vector, in ECEF XYZ, meters (from COM to PC).
double	Sagnac
	Net time delay due to Sagnac effect in seconds.

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Constructor & Destructor Documentation

PreciseRange (   )  [inline]

Default constructor. Definition at line 76 of file PreciseRange.hpp.

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Member Function Documentation

double ComputeAtTransmitTime (  const DayTime &  nomRecTime, const double  pr, const Position &  Rx, const SatID  sat, const AntexData &  antenna, const XvtStore< SatID > &  Eph )  throw (Exception) [inline]

Version without high-accuracy SolarSystem; cf. doc for other version. Definition at line 123 of file PreciseRange.hpp. References gpstk::Rx().

double ComputeAtTransmitTime (  const DayTime &  nomRecTime, const double  pr, const Position &  Rx, const SatID  sat, const XvtStore< SatID > &  Eph )  throw (Exception) [inline]

Version with no antenna; cf. doc for other version. Definition at line 107 of file PreciseRange.hpp. References gpstk::Rx().

double ComputeAtTransmitTime (  const DayTime &  nomRecTime, const double  pr, const Position &  Rx, const SatID  sat, const AntexData &  antenna, const SolarSystem &  SSEph, const EarthOrientation &  EO, const XvtStore< SatID > &  Eph, const bool  isCOM = false )  throw (Exception)

Compute the corrected range at transmit time from ephemeris is the given XvtStore, from receiver at position Rx with measured pseudorange pr and time tag nomRecTime, to the GPS satellite given by SatID sat, as well as all the CER quantities. Parameters: DayTime  nomRecTime nominal receive time double  pr measured pseudorange at this time Position&  Rx receiver position SatID  sat satellite AntexData&  antenna satellite antenna data; if not valid, no PCO/V correction is done SolarSystem  SSEph Solar system ephemeris EarthOrientation  EO Earth orientation parameters appropriate for time XvtStore  Eph Ephemeris store bool  isCOM if true, Eph is Center-of-mass, else antenna-phase-center, default false. Returns: corrected raw range Exceptions: if  ephemeris is not found Definition at line 58 of file PreciseRange.cpp. References GPSGeoid::angVelocity(), GPSGeoid::c(), Xvt::ddtime, Triple::dot(), Xvt::dtime, GPSTK_RETHROW, gpstk::range(), gpstk::RelativityCorrection(), gpstk::Rx(), gpstk::SatelliteAttitude(), gpstk::SatelliteNadirAzimuthAngles(), gpstk::transpose(), Xvt::v, and Xvt::x.

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Member Data Documentation

double azimuth

The satellite azimuth (spheroidal), as seen at the receiver, in degrees. Definition at line 156 of file PreciseRange.hpp.

double azimuthGeodetic

The satellite azimuth (geodetic), as seen at the receiver, in degrees. Definition at line 162 of file PreciseRange.hpp.

Triple cosines

The direction cosines of the satellite, as seen at the receiver (XYZ). Definition at line 168 of file PreciseRange.hpp.

double elevation

The satellite elevation (spheroidal), as seen at the receiver, in degrees. Definition at line 153 of file PreciseRange.hpp.

double elevationGeodetic

The satellite elevation (geodetic), as seen at the receiver, in degrees. Definition at line 159 of file PreciseRange.hpp.

double rawrange

The computed raw (geometric) range in meters, with NO corrections applied; to correct it, use rawrange -= satclkbias+relativity+relativity2-satLOSPCO-satLOSPCV. Definition at line 141 of file PreciseRange.hpp.

double relativity

The relativity correction in meters, and high precision correction. Definition at line 144 of file PreciseRange.hpp.

double relativity2

The relativity correction in meters, and high precision correction. Definition at line 144 of file PreciseRange.hpp.

double Sagnac

Net time delay due to Sagnac effect in seconds. Definition at line 178 of file PreciseRange.hpp.

double satclkbias

The satellite clock bias (m) and drift (m/s) at transmit time, from XvtStore. Definition at line 150 of file PreciseRange.hpp.

double satclkdrift

The satellite clock bias (m) and drift (m/s) at transmit time, from XvtStore. Definition at line 150 of file PreciseRange.hpp.

double satLOSPCO

The net line-of-sight offset, in the direction from sat to rx, of the antenna PCO and PCVs, meters. Definition at line 172 of file PreciseRange.hpp.

double satLOSPCV

The net line-of-sight offset, in the direction from sat to rx, of the antenna PCO and PCVs, meters. Definition at line 172 of file PreciseRange.hpp.

Vector<double> SatPCOXYZ

The Satellite PCO vector, in ECEF XYZ, meters (from COM to PC). Definition at line 175 of file PreciseRange.hpp.

Position SatR

The satellite position (m) and velocity (m/s) in ECEF coordinates. Definition at line 147 of file PreciseRange.hpp.

Position SatV

The satellite position (m) and velocity (m/s) in ECEF coordinates. Definition at line 147 of file PreciseRange.hpp.

DayTime transmit

The computed transmit time of the signal. Definition at line 165 of file PreciseRange.hpp.

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The documentation for this class was generated from the following files:

• PreciseRange.hpp
• PreciseRange.cpp

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