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

CONTENTS
CHAPTER 1 INTRODUCTION ......................................................................................................................... 1
1.1 EUROPE'S CONTRIBUTION TO A NAVIGATION SATELLITE SYSTEM ........................................................... 1
1.2 DEVELOPMENT PHASE.............................................................................................................................. 2
1.3 ORBIT DETERMINATION OF GNSS-2/GALILEO......................................................................................... 2
CHAPTER 2 OBSERVATIONS OF ORBIT DETERMINATION ................................................................. 3
2.1 ONE-WAY SYSTEM .................................................................................................................................. 3
2.1.1 Range............................................................................................................................................... 3
2.1.1.1 Basic Observation ........................................................................................................................................3
2.1.1.2 Error Budgets...............................................................................................................................................4
2.1.2 Doppler............................................................................................................................................ 6
2.1.2.1 Basic Observation ........................................................................................................................................6
2.1.2.2 Error Budget ................................................................................................................................................9
2.1.3 Carrier Phases................................................................................................................................ 10
2.1.3.1 Basic Observation ......................................................................................................................................10
2.1.3.2 Error Budget ..............................................................................................................................................11
2.2 TWO-WAY SYSTEM................................................................................................................................11
2.2.1 Range............................................................................................................................................. 12
2.2.1.1 Basic Observation ......................................................................................................................................12
2.2.1.2 Error Budget ..............................................................................................................................................13
2.2.2 Doppler.......................................................................................................................................... 14
2.2.2.1 Basic Observation Equation.......................................................................................................................14
2.2.2.2 Error Budget ..............................................................................................................................................16
2.3 CONCLUSION.......................................................................................................................................... 16
CHAPTER 3 ORBIT TRACKING SYSTEMS AND THEIR ERROR BUDGETS ..................................... 17
3.1 GROUND TRACKING SYSTEMS................................................................................................................ 17
3.1.1 Satellite Laser Ranging (SLR)....................................................................................................... 17
3.1.1.1 Principle.....................................................................................................................................................17
3.1.1.2 Error Budget ..............................................................................................................................................18
3.1.2 S-Band ........................................................................................................................................... 19
3.1.2.1 Principle.....................................................................................................................................................19
3.1.2.2 Error Budget ..............................................................................................................................................19
3.1.3 IGS Tracking Station Network ...................................................................................................... 20
3.1.3.1 Principle.....................................................................................................................................................20
3.1.3.2 Error Budget ..............................................................................................................................................21
3.2 SPACE-BORNE TRACKING SYSTEMS ....................................................................................................... 21
3.2.1 DORIS (Doppler Orbitography and Radio Positioning Integrated by Satellite)............................ 21
3.2.1.1 Principle.....................................................................................................................................................22
3.2.1.2 Error Budget ..............................................................................................................................................22
3.2.2 PRARE (Precise Range and Range rate Equipment)..................................................................... 22
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