Class GeometryFreeCombination
- java.lang.Object
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- org.orekit.estimation.measurements.gnss.AbstractDualFrequencyCombination
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- org.orekit.estimation.measurements.gnss.GeometryFreeCombination
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- All Implemented Interfaces:
MeasurementCombination
public class GeometryFreeCombination extends AbstractDualFrequencyCombination
Geometry-free combination.This combination removes the geometry part of the measurement. It can be used to estimate the ionospheric electron content or to detect cycle slips in the carrier phase, as well.
mGF = m2 - m1
With:- mGF: Geometry-free measurement.
- m1 : First measurement.
- m2 : Second measurement.
Geometry-Free combination is a dual frequency combination. The two measurements shall have different frequencies but they must have the same
MeasurementType
.- Since:
- 10.1
- Author:
- Bryan Cazabonne
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Field Summary
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Fields inherited from class org.orekit.estimation.measurements.gnss.AbstractDualFrequencyCombination
MHZ_TO_HZ
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected double
getCombinedFrequency(Frequency f1, Frequency f2)
Get the combined frequency of two measurements.protected double
getCombinedValue(double obs1, Frequency f1, double obs2, Frequency f2)
Get the combined observed value of two measurements.-
Methods inherited from class org.orekit.estimation.measurements.gnss.AbstractDualFrequencyCombination
combine, combine, getName
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Method Detail
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getCombinedValue
protected double getCombinedValue(double obs1, Frequency f1, double obs2, Frequency f2)
Get the combined observed value of two measurements.- Specified by:
getCombinedValue
in classAbstractDualFrequencyCombination
- Parameters:
obs1
- observed value of the first measurementf1
- frequency of the first measurementobs2
- observed value of the second measurementf2
- frequency of the second measurement- Returns:
- combined observed value
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getCombinedFrequency
protected double getCombinedFrequency(Frequency f1, Frequency f2)
Get the combined frequency of two measurements.- Specified by:
getCombinedFrequency
in classAbstractDualFrequencyCombination
- Parameters:
f1
- frequency of the first measurementf2
- frequency of the second measurement- Returns:
- combined frequency in MHz
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