Precise Orbit Determination of Global Navigation Satellite System of ...

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Chapter 9 Software and Simulation Results 9.1.2 Distribution of Tracking Stations The following eight ESA satellite tracking stations are used for GNSS-2/Galileo satellite orbit determination in the simulation study. Table 9-1 The Distribution of ESA Tracking Stations Index Tracking Station Latitude Longitude (1) Herstmonceux 52°00′ 00°00′ (2) Azoren 38°30′ -28°00′ (3) Kreta 35°00′ 25°00′ (4) Maspalomas 27°20′ -15°00′ (5) Kourou 05°05′ -52°23′ (6) Libreville 00°23′ 09°27′ (7) Hartebeesthoek -25°30′ 25°00′ (8) Perth -31°33′ 115°30′ The distribution of the tracking stations and ground tracks of IGSO, GEO and MEO satellites for a possible GNSS-2/Galileo constellation are shown in Figure 9-2, Figure 9-3 and Figure 9-4 respectively. The longitude of subpoints of IGSO and GEO satellites are located at λ=-10°, 20° and 60° respectively. Figure 9-2 Distribution of Assumed Tracking Stations and IGSO Satellite Ground Tracks of GNSS2 114
Chapter 9 Software and Simulation Results Figure 9-3 Distribution of Assumed Tracking Stations and GEO Satellite Ground Tracks of GNSS2 Figure 9-4 Distribution of Assumed Tracking Stations and MEO Satellite Ground Tracks of GNSS2 9.1.3 Satellite Visibility The satellite visibility means the satellite will be seen when the satellite passes over the tracking station. The visibility can be measured with the elevation of the satellite related to the local coordinate system of the tracking station. The satellite visibilities of IGSO and GEO satellites located at λ=-10°, 20° and 60° for the assumed tracking stations are drawn as follows. 115
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PRECISE ORBIT DETERMINATION OF GLOB
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Summary GNSS-2 (Global Navigation S
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3.2.2.1 Principle..................
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9.3.3 The Effect of Distribution of
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Chapter 1 Introduction 1.2 Developm
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Chapter 2 Observations of Orbit Det
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Chapter 3 Orbit Tracking System and
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Chapter 4 Major Error Sources of Sa
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Chapter 5 Perturbation Models of IG
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Page 74 and 75: Chapter 6 Algorithms of Orbit Deter
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Page 152 and 153: Conclusion 144
Page 154 and 155: References Carpino M. (1995): SAEG
Page 156 and 157: References Klobuchar, J. A.(1996):
Page 158 and 159: References Traquilla, J. M. and J.
Page 160 and 161: Acknowledgments 152
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Precise Orbit Determination of Global Navigation Satellite System of ...

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