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El. knyga: Satellite Signal Propagation, Impairments and Mitigation

(Indian Space Research Organisation (ISRO), India)
  • Formatas: EPUB+DRM
  • Išleidimo metai: 09-Aug-2017
  • Leidėjas: Academic Press Inc
  • Kalba: eng
  • ISBN-13: 9780128097335
Kitos knygos pagal šią temą:
  • Formatas: EPUB+DRM
  • Išleidimo metai: 09-Aug-2017
  • Leidėjas: Academic Press Inc
  • Kalba: eng
  • ISBN-13: 9780128097335
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Satellite Signal Propagation, Impairments and Mitigation covers issues related to satellite link design. The book develops every concept from elementary physics, covering the basics of signal propagation from Maxwell’s equations and then gradually developing the physical reasons for impairments.

It emphasizes the unique concepts for each involved process, based on their physics, and explains how they form the determining factors for the related suitable engineering technique for mitigation. Every basic principle is followed by mathematical substantiation with an explanation of the physics behind the equations.

  • Covers the basics of signal propagation, starting from Maxwell’s equations and then gradually developing the physical reasons for the impairments
  • Includes different important propagation experiments conducted and detailed in the Appendix
  • Employs the power of MATLAB® as both a visualization and problem-solving tool
  • Provides MATLAB scripts for simulation exercises

Daugiau informacijos

Comprehensively discusses satellite signal propagation - right from L to Ka band, including its detailed variability and extent of influence
Preface xi
Acknowledgement xiii
Chapter 1 Introduction
1(26)
1.1 Introduction to Electronic Communication
2(2)
1.1.1 Ground Waves
3(1)
1.1.2 Sky Wave
3(1)
1.1.3 Space Waves
3(1)
1.2 Satellite Signals and Performance
4(14)
1.2.1 Satellite Applications
4(2)
1.2.2 Architecture of Satellite System
6(1)
1.2.3 Performance of Satellite System
7(11)
1.3 Atmosphere
18(3)
1.3.1 Atmosphere and Its Components
18(3)
1.4 Atmospheric Effects
21(1)
1.5 How to Best Utilize the Book?
22(5)
1.5.1 Utilization of This Book
22(1)
1.5.2 Organization of This Book
23(1)
Conceptual Questions
24(1)
References
24(1)
Further Reading
25(2)
Chapter 2 Maxwell's equation and EM waves
27(30)
2.1 Electric and Magnetic Fields
27(1)
2.2 Maxwell's Equations: Its Meaning and Importance
28(3)
2.2.1 Maxwell's Equations
28(3)
2.3 Static Case: Electrostatics and Magnetostatics
31(12)
2.3.1 Static Electric Field Equations
32(3)
2.3.2 Static Magnetic Field Equations
35(2)
2.3.3 Electrostatic and Magnetostatic Energy
37(6)
2.4 Dynamic Case
43(1)
2.5 Wave Equations and Their Solution
44(9)
2.5.1 Solution of Wave Equation and Conditions for EM Wave
46(4)
2.5.2 Wave Equations With Sources
50(3)
2.6 Direction of Wave Flow and Poynting Vector
53(2)
2.7 Important Observations
55(2)
Conceptual Questions
55(1)
References
55(2)
Chapter 3 Interaction of waves with medium
57(30)
3.1 Electric Materials
57(9)
3.1.1 Response of a Medium to Electric field: Conduction and Polarization
57(1)
3.1.2 Field Inside a Dielectric
58(5)
3.1.3 Practical Dielectric Materials
63(3)
3.2 Wave Equation in Medium
66(5)
3.2.1 Power Utilization in a Dielectric
70(1)
3.3 Dispersive Nature of Parameters
71(4)
3.4 Propagation Impairment Factors
75(12)
3.4.1 Absorption
75(2)
3.4.2 Scattering
77(7)
3.4.3 Diffraction
84(2)
Conceptual Questions
86(1)
References
86(1)
Chapter 4 Ionosphere and ionospheric impairments
87(40)
4.1 Ionosphere
87(18)
4.1.1 Basic Structure of Ionosphere
87(2)
4.1.2 Spatial and Temporal Distribution of Ionosphere
89(9)
4.1.3 Broad Factors Affecting Ionospheric Characteristics
98(1)
4.1.4 Models of Ionosphere
99(6)
4.2 Ionospheric Propagation
105(4)
4.2.1 Incidence of EM Wave on Free Charges
105(1)
4.2.2 Wave Propagation in Plasma
106(3)
4.3 Effects
109(18)
4.3.1 Group Delay and Phase Advancement
109(3)
4.3.2 Scintillation and Fading
112(10)
Conceptual Questions
122(1)
References
123(2)
Further Reading
125(2)
Chapter 5 Ionospheric impairments: Measurement and mitigation
127(32)
5.1 Measurements
127(12)
5.1.1 Measurement of TEC/Electron Density
127(8)
5.1.2 Measurement of Scintillation
135(4)
5.2 Models of Ionosphere
139(8)
5.2.1 Delay Models
140(3)
5.2.2 Scintillation Models
143(4)
5.3 Impairment Mitigations
147(5)
5.3.1 Mitigation of Group Delay/Phase Advancement
147(3)
5.3.2 Mitigation of Scintillation
150(2)
5.4 Applications
152(7)
Conceptual Questions
155(1)
References
155(2)
Further Reading
157(2)
Chapter 6 Tropospheric propagation and impairments
159(36)
6.1 Troposphere---Constitution and Characteristics
159(4)
6.1.1 Standard Reference Atmosphere
160(3)
6.2 Propagation in Troposphere
163(2)
6.3 Factors Affecting Tropospheric Propagation
165(30)
6.3.1 Clear Sky
165(8)
6.3.2 Clouds
173(2)
6.3.3 Rain
175(17)
Conceptual Questions
192(1)
References
192(2)
Further Reading
194(1)
Chapter 7 Tropospheric impairments: Measurements and mitigation
195(52)
7.1 Measurements of Parameters
196(3)
7.1.1 Atmospheric and Meteorological Measurements
196(3)
7.2 Propagation Impairment Models
199(25)
7.2.1 Long-Term Impairment Models
199(25)
7.3 Fade Mitigation Techniques (FMT)
224(23)
7.3.1 FMT Concepts
226(2)
7.3.2 Compensation Type of FMT
228(6)
7.3.3 Avoidance Type FMT
234(6)
7.3.4 Joint FMT
240(2)
Conceptual Questions
242(1)
References
242(3)
Further Reading
245(2)
Chapter 8 Noise, multipath and interference
247(32)
8.1 Noise
247(20)
8.1.1 Sources of Noise
248(1)
8.1.2 Black Body
248(4)
8.1.3 Antenna Noise
252(6)
8.1.4 Thermal Noise
258(3)
8.1.5 System Noise
261(4)
8.1.6 Spectral Characteristics of Noise
265(1)
8.1.7 Combating the Noise
266(1)
8.2 Multipath
267(6)
8.2.1 Multipath Definition and Types
267(1)
8.2.2 Multipath Fading
268(4)
8.2.3 Multipath Mitigation
272(1)
8.3 Interference
273(6)
8.3.1 Definition
273(1)
8.3.2 Sources and Types of Interference
273(1)
8.3.3 Interference Effects
274(3)
Conceptual Questions
277(1)
References
277(2)
Chapter 9 Satellite link performance
279(22)
9.1 Link Design Aspects
279(8)
9.1.1 Choice of Operating Frequency
281(1)
9.1.2 Atmospheric Propagation Effects
281(3)
9.1.3 Typical Communication Systems
284(3)
9.2 Satellite Links
287(4)
9.3 Performance
291(10)
9.3.1 Long-Term Performance
291(1)
9.3.2 Short-Term Performance
292(7)
Conceptual Questions
299(1)
References
299(1)
Further Reading
300(1)
Index 301
Dr. Rajat Acharya works as a Scientist at the Space Applications Centre, a unit of the Indian Space Research Organisation (ISRO). He is involved with the Indian Satellite Navigation program of GAGAN and IRNSS for more than a decade with pertinent contributions in ionospheric modelling. He is also a Faculty member at the Centre for Space Science and Technology Education Asia Pacific, where he teaches on the M.Tech course on Satellite Communications and Satellite Navigation. He serves as a visiting Professor at Gujurat University, teaching on the PG Diploma course on Geo-informatics and Satellite Communications. He was also a member of the working group on models and algorithms from ISRO in the second meeting of the International Committee on Global Navigation Satellite System (ICG).