... | ... | @@ -24,19 +24,21 @@ Note that **this process is repeated with each new sensor measurement**. We can |
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# **Limitations:**
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However, for an optimal estimation of the positioning, a good modelling of the system and the measurement noise is required. A bad modelling of these two elements can lead to more or less accuracy errors.
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However, for an optimal estimation of the positioning, **a good modelling of the system and the measurement noise is required**. A **bad modelling of these two elements can lead to more or less accuracy errors.**
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There will always be a small accuracy error, even with the most powerful applications. Let show this through an experience.
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There **will always be a small accuracy error**, even with the most powerful applications. Let show this through an experience.
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**Experience :**
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# **Experience :**
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The experiment conducted by the GEOLOC laboratory of the Gustave Eiffel University shows this.
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The experiment **conducted by the GEOLOC laboratory of the Gustave Eiffel University** shows this.
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On a non-linear path of 6.5 minutes in dynamic mode, in dual frequency, at a speed of 1.2 m/s, the Kalman calculation of the individual's geolocation gave different errors according to the different software used:
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On a **non-linear path of 6.5 minutes in dynamic mode, in dual frequency, at a speed of 1.2 m/s**, the Kalman calculation of the individual's geolocation gave different errors according to the different software used:
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| Application | Average error in meter |
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|-------------|------------------------|
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| GeolocPVT | 2.16 |
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| GalileoPVT | 25.84 |
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| GNSS Compare | 17.51 |
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\---- Rajouter l'image quand on fera la mise en forme ---- |
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\ No newline at end of file |
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**The path:**
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\ No newline at end of file |