2.8 DISTANCE CALCULATION 35
2.8.1 Distance in One Dimension 36 2.8.2 Distance in Two Dimensions 36
2.8.3 Distance in Three Dimensions 37 2.8.3.1 Cartesian coordinate system 37
in three dimension 2.8.3.2 Geographic coordinate system 38
in three dimensional system 2.8.4 Distance between Earth Station and Satellite 39
2.8.5 Distance between Two Satellites in the 39
Same Orbit
III METHODOLOGY 40
3.1 FLOW CHART OF PROJECT 40
METHODOLOGY 3.2 ANIMATION
41 3.3 CALCULATION
42 3.4 SIMULATION
44 3.5 MEASUREMENT 45
IV RESULT AND ANALYSIS
47 4.1 CALCULATION RESULT
48 4.2 SIMULATION RESULT
48 4.3 MEASUREMENT RESULT 48
V CONCLUSION
53 5.1 DISCUSSION
53 5.2 CONCLUSION
56 5.3 FUTURE RECOMMENDATION 56
REFERENCES 57
LIST OF TABLES
NO TITLE
PAGE
2.1 Platform subsystems
7 2.2
INTELSAT Standard Earth Stations 8
2.3 The frequency allocations and its usage
11 2.4
Uplink budget for International TV 17
2.5 Downlink budget for International TV
18 2.6
The summary of tracking method 35
3.1 The latitudes and longitudes of the earth station and satellites 42 3.2 Satellite position according to DiSEqC positioner 45
4.1 The calculation result
47 4.2
The simulation result 48
4.3 The list of channels that can received in the 48
Asiasat 3S C-band 105.5E satellite
4.4 The list of channels that can be received in 51
Asiasat 2C 100.5E satellite 5.1
The comparison between calculation and simulation results 53 5.2
The comparison between the signals received from 54 Asiasat 3S 105.5E and Asiasat 2C 100.5E
LIST OF FIGURES
NO TITLE PAGE
1.1 The flowchart of the project 4
2.1 Satellite communication system
6 2.2
The satellite orbits 9
2.3 The configuration of an earth station
19 2.4
10 meter diameter X-Y mount antenna 20 2.5
11 meter diameter AZEL mount antenna 21 2.6
97 foot diameter antenna using AZEL mount 22
2.7 Wheel-and-track pedestal system
22 2.8
Polar mount geometry 23 2.9
The flow chart of antenna alignment process 24
2.10 Azimuth and elevation angles from
25 the earth station to the satellite
2.11 Spherical triangle showing satellite azimuth A
25 and earth station latitude
2.12
The slant range between the satellite and earth station 27
2.13 The types of tracking system
28
2.14 The movement of antenna in conical scanning
31 2.15
Possible step-tracking subsystems configuration 32 2.16
Tracking process of conical scanning 34
2.17 Distance in two dimensions 36
2.18 A three dimensional Cartesian coordinate system, with
37 origin O and axis lines X, Y and Z, oriented as shown
by the arrows 2.19
The geographic coordinate system 38
3.1 The flow chart on project methodology 40 3.2 Sequence of animation on earth station antenna tracking 41
3.3 Azimuth and elevation angles 42 3.4 Geometric relation between satellite range, earth station 43
elevation angle, central angle from earth‟s center and nadir angle
3.5 Simulation using Satellite az-el Calculator
45 4.1
The measurement of channel 788, NOW 50 transmitted by Asiasat 3S satellite
4.2 The channel 788, NOW transmitted by Asiasat 3S 50
satellite visualized using PROMAX 4.3
The signal information channel 117, Jame-Jam 51 TV Ne obtained from the TV monitor
4.4 The measurements obtained for the channel 52
LIST OF APPENDIXES
NO TITLE PAGE
A The Standard Operating Procedure of Earth Station
58 Antenna
B The Standard Maintenance Procedure of Earth Station 63
Antenna C
Asiasat 3S 105.5E 67 D
Asiasat 3S 105.5E Channel Guide 68 E
Asiasat 2C 100.5E 77 F
List of Channels for Asiasat 2C 100.5E 78 G
DiSEqC 79
CHAPTER I
INTRODUCTION
Kategori