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E-grāmata: Satellite Communications

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(Virginia Polytechnic Institute and State University), (George Mason University)
  • Formāts: EPUB+DRM
  • Izdošanas datums: 08-Oct-2019
  • Izdevniecība: John Wiley & Sons Inc
  • Valoda: eng
  • ISBN-13: 9781119482055
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Satellite CommunicationsPalielināt
  • Formāts: EPUB+DRM
  • Izdošanas datums: 08-Oct-2019
  • Izdevniecība: John Wiley & Sons Inc
  • Valoda: eng
  • ISBN-13: 9781119482055
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Extensive revision of the best-selling text on satellite communications — includes new chapters on cubesats, NGSO satellite systems, and Internet access by satellite

There have been many changes in the thirty three years since the first edition of Satellite Communications was published. There has been a complete transition from analog to digital communication systems, withanalog techniques replaced by digital modulation and digital signal processing. While distribution of television programming remains the largest sector of commercial satellite communications, low earth orbit constellations of satellites for Internet access are set to challenge that dominance.

In the third edition, chapters one through three cover topics that are specific to satellites, including orbits, launchers, and spacecraft. Chapters four through seven cover the principles of digital communication systems, radio frequency communications, digital modulation and multiple access techniques, and propagation in the earth’s atmosphere, topics that are common to all radio communication systems. Chapters eight through twelve cover applications that include non-geostationary satellite systems, low throughput systems, direct broadcast satellite television, Internet access by satellite, and global navigation satellite systems. The chapter on Internet access by satellite is new to the third edition, and each of the chapters has been extensively revised to include the many changes in the field since the publication of the second edition in 2003. Two appendices have been added that cover digital transmission of analog signals, and antennas.

An invaluable resource for students and professionals alike, this book:

  • Focuses on the fundamental theory of satellite communications
  • Explains the underlying principles and essential mathematics required to understand the physics and engineering of satellite communications
  • Discusses the expansion of satellite communication systems in areas such as direct-broadcast satellite TV, GPS, and internet access
  • Introduces the rapidly advancing field of small satellites, referred to as SmallSats or CubeSats
  • Provides relevant practice problems based on real-world satellite systems

Satellite Communications is required reading for undergraduate and postgraduate students in satellite communications courses and an authoritative reference for engineers working in communications, systems and networks, and satellite operations and management.

Preface xi
About the Authors xv
1 Introduction
1(16)
1.1 Background
1(4)
1.2 A Brief History of Satellite Communications
5(4)
1.3 Satellite Communications in 2018
9(2)
1.4 Overview of Satellite Communications
11(3)
1.5 Summary
14(1)
1.6 Organization of This Book
15(1)
References
16(1)
2 Orbital Mechanics and Launchers
17(1)
2.1 Introduction
17(1)
2.2 Achieving a Stable Orbit
17(6)
2.3 Kepler's Three Laws of Planetary Motion
23(2)
2.4 Describing the Orbit of a Satellite
25(2)
2.5 Locating the Satellite in the Orbit
27(2)
2.6 Locating the Satellite With Respect to the Earth
29(2)
2.7 Orbital Elements
31(2)
2.8 Look Angle Determination
33(9)
2.9 Orbital Perturbations
42(4)
2.10 Orbit Determination
46(1)
2.11 Space Launch Vehicles and Rockets
47(9)
2.12 Placing Satellites Into Geostationary Orbit
56(3)
2.13 Orbital Effects in Communications Systems Performance
59(3)
2.14 Manned Space Vehicles
62(2)
2.15 Summary
64(13)
Exercises
65(3)
References
68(9)
3 Satellites
77(42)
3.1 Satellite Subsystems
72(3)
3.2 Attitude and Orbit Control System (AOCS)
75(9)
3.3 Telemetry, Tracking, Command, and Monitoring (TTC&M)
84(4)
3.4 Power Systems
88(2)
3.5 Communications Subsystems
90(10)
3.6 Satellite Antennas
100(7)
3.7 Equipment Reliability and Space Qualification
107(6)
3.8 Summary
113(6)
Exercises
114(2)
References
116(3)
4 Satellite Link Design
119(76)
4.1 Introduction
119(6)
4.2 Transmission Theory
125(5)
4.3 System Noise Temperature and G/T Ratio
130(12)
4.4 Design of Downlinks
142(7)
4.5 Ku-Band GEO Satellite Systems
149(9)
4.6 Uplink Design
158(5)
4.7 Design for Specified CNR: Combining CNR and C/I Values in Satellite Links
163(4)
4.8 System Design for Specific Performance
167(21)
4.9 Summary
188(7)
Exercises
189(4)
References
193(2)
5 Digital Transmission and Error Control
195(76)
5.1 Digital Transmission
197(18)
5.2 Implementing Zero ISI Transmission in the Time Domain
215(6)
5.3 Probability of Error in Digital Transmission
221(10)
5.4 Digital Transmission of Analog Signals
231(10)
5.5 Time Division Multiplexing
241(2)
5.6 Packets, Frames, and Protocols
243(3)
5.7 Error Control
246(18)
5.8 Summary
264(7)
Exercises
266(3)
References
269(2)
6 Modulation and Multiple Access
271(84)
6.1 Introduction
271(2)
6.2 Digital Modulation
273(14)
6.3 Multiple Access
287(4)
6.4 Frequency Division Multiple Access (FDMA)
291(17)
6.5 Time Division Multiple Access (TDMA)
308(9)
6.6 Synchronization in TDMA Networks
317(2)
6.7 Transmitter Power in TDMA Networks
319(4)
6.8 Star and Mesh Networks
323(1)
6.9 Onboard Processing
324(5)
6.10 Demand Assignment Multiple Access (DAMA)
329(4)
6.11 Random Access (RA)
333(1)
6.12 Packet Radio Systems and Protocols
334(3)
6.13 Code Division Multiple Access (CDMA)
337(11)
6.14 Summary
348(7)
Exercises
349(3)
References
352(3)
7 Propagation Effects and Their Impact on Satellite-Earth Links
355(56)
7.1 Introduction
355(3)
7.2 Propagation Phenomena
358(1)
7.3 Quantifying Attenuation and Depolarization
359(8)
7.4 Propagation Effects That Are Not Associated With Hydrometeors
367(5)
7.5 Rain and Ice Effects
372(8)
7.6 Prediction of Rain Attenuation
380(10)
7.7 Prediction of XPD
390(9)
7.8 Propagation Impairment Countermeasures
399(5)
7.9 Summary
404(7)
Exercises
405(3)
References
408(3)
8 Low Throughput Systems and Small Satellites
411(70)
8.1 Introduction
411(2)
8.2 Small Satellites
413(23)
8.3 Operational Use of SmallSats
436(4)
8.4 Low Throughput Mobile Communications Satellite Systems
440(4)
8.5 VSAT Systems
444(17)
8.6 Signal Formats
461(8)
8.7 System Aspects
469(1)
8.8 Time Over Coverage
470(1)
8.9 Orbital Debris
471(1)
8.10 Summary
472(9)
Exercises
473(2)
References
475(6)
9 NGSO Satellite Systems
481(62)
9.1 Introduction
481(4)
9.2 Orbit Considerations
485(16)
9.3 Coverage and Frequency Considerations
501(22)
9.4 System Considerations
523(3)
9.5 Operational and Proposed NGSO Constellation Designs
526(8)
9.6 System Design Example
534(1)
9.7 Summary
535(8)
Exercises
537(2)
References
539(4)
10 Direct Broadcast Satellite Television and Radio
543(46)
10.1 C-Band and Ku-Band Home Satellite TV
545(1)
10.2 Digital DBS-TV
545(11)
10.3 DVB-S and DVB-S2 Standards
556(13)
10.4 DBS-TV System Design
569(3)
10.5 DBS-TV Link Budget for DVB-S and DVB-S2 Receivers
572(3)
10.6 Second Generation DBS-TV Satellite Systems Using DVB-S2 Signal Format
575(1)
10.7 Master Control Station and Uplink
576(1)
10.8 Installation of DBS-TV Antennas
577(1)
10.9 Satellite Radio Broadcasting
578(5)
10.10 Summary
583(6)
Exercises
584(2)
References
586(3)
11 Satellite Internet
589(44)
11.1 History of Satellite Internet Access
589(3)
11.2 Geostationary Satellite Internet Access
592(12)
11.3 NGSO Satellite Systems
604(9)
11.4 Link Budgets for NGSO Systems
613(5)
11.5 Packets and Protocols for NGSO Systems
618(4)
11.6 Gateways, User Terminals, and Onboard Processing Satellites
622(3)
11.7 Total Capacity of OneWeb and SpaceX Proposed NGSO Constellations
625(1)
11.8 End of Life Disposal of NGSO Satellites
625(1)
11.9 Comparison of Spot Beam Coverage of GSO and LEO Internet Access Satellites
626(1)
11.10 User Terminal Antennas for Ku-Band, Ka-Band, and V-Band
627(1)
11.11 Summary
628(5)
Exercises
629(1)
References
629(4)
12 Satellite Navigation and the Global Positioning System
633(48)
12.1 The Global Positioning System
634(3)
12.2 Radio and Satellite Navigation
637(3)
12.3 GPS Position Location Principles
640(4)
12.4 GPS Codes and Frequencies
644(4)
12.5 Satellite Signal Acquisition
648(10)
12.6 GPS Signal Levels
658(4)
12.7 GPS Navigation Message
662(1)
12.8 GPS C/A Code Standard Positioning System Accuracy
663(4)
12.9 Differential GPS
667(2)
12.10 Denial of Service: Jamming and Spoofing
669(3)
12.11 ADS-B and Air Traffic Control
672(1)
12.12 GPS Modernization
673(2)
12.13 Summary
675(6)
Exercises
676(1)
References
677(4)
Glossary 681(10)
Appendix A Decibels in Communications Engineering 691(4)
Appendix B Antennas 695(20)
Appendix C Complementary Error Function erfc(x) and Q Function Q(z) 715(4)
Appendix D Digital Transmission of Analog Signals 719(12)
Index 731
Timothy Pratt is Emeritus Professor of Electrical and Computer Engineering at Virginia Tech, USA. He is a life senior member of the Institute of Electrical and Electronic Engineering. After industrial experience in UK industry, he taught at the University of Birmingham for ten years and at Virginia Tech for thirty years. He retired from Virginia Tech in 2013 and lives on a farm in Blacksburg, Virginia.

Jeremy Allnutt is Emeritus Professor of Electrical and Computer Engineering at George Mason University, USA. He was a telecommunications research scientist in England and Canada and then Intelsat in Washington, DC, USA. After Intelsat, he spent four years as a professor in ECE at the Northern Virginia campus of Virginia Tech before joining George Mason University, from which he retired in 2014. He is a fellow of the Institute of Electrical and Electronic Engineering and a fellow of the Institution of Engineering and Technology (UK).
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