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Satellite Technology Principles and Applications 3rd Edition by Anil K. Maini and Varsha Agrawal | PDF Free Download.
PART I SATELLITE TECHNOLOGY
PART II SATELLITE APPLICATIONS
The word ‘satellite’ is in common use today. It sounds very familiar to all of us irrespective of our educational and professional backgrounds.
It is no longer the prerogative of a few select nations and is not a topic of research and discussion that is confined to the premises of big academic institutes and research organizations.
Today, satellite technology is not only one of the main subjects taught at undergraduate, graduate and postgraduate levels,
but it is also the bread and butter for a large percentage of electronics, communication and IT professionals working for academic institutes, science and technology organizations and industry.
Most of the books on satellite technology and its applications cover only communications-related applications of satellites,
with either occasional or no reference to other important applications, including remote sensing, weather forecasting, scientific, navigational and military applications and also other topics related to space science and technology.
In addition, space encyclopedias mainly cover satellite missions and their applications with not much information on the technological aspects.
Satellite Technology: Principles and Applications is a concise and yet comprehensive reference book on the subject of satellite technology and its applications, covering in one volume both communication and non-communication applications.
The third edition is a thoroughly updated and enlarged version of the second edition. All existing chapters of the second edition have been updated and two new chapters, Networking Concepts and Satellite Technology -- Emerging Trends, have been added.
A number of new topics have been included in other chapters as well to make the book more comprehensive and up-to-date, covering all the developmental technologies and trends in the field of satellites.
The intended audience for this book includes undergraduate and graduate-level students and electronics, telecommunication and IT professionals looking for a compact and comprehensive reference book on satellite technology and its applications.
The book is logically divided into two parts, namely satellite technology fundamentals covered in Chapters 1 to 9, followed by satellite applications in Chapters 10 to 16. The first introductory chapter begins with a brief account of the historical evolution of satellite technology, different types of satellite missions and areas of application of satellite technology.
A new addition to the first chapter includes a detailed discussion on small and miniature satellites covering mini, micro, nano, pico and femto satellites.
The next two chapters focus on orbital dynamics and related topics. The study of orbits and trajectories of satellites and satellite launch vehicles is the most fundamental topic of satellite technology and also perhaps the most important one.
It is important because it gives an insight into the operational aspects of this wonderful piece of technology.
An understanding of orbital dynamics will put us on a sound footing to address issues like types of orbit and their suitability for a given application, orbit stabilization, orbit correction and station-keeping, launch requirements and typical launch trajectories for various orbits, Earth coverage and so on.
These two chapters are well supported by the required mathematics and design illustrations. Comprehensive coverage of major launch vehicles and international space complexes in terms of their features and facilities is a new addition to the third chapter and another highlight of the book.
After addressing the fundamental issues related to the operational principle of satellites, the dynamics of satellite orbits, launch procedures and various in-orbit operations, the focus in Chapter 4 is on satellite hardware, irrespective of its intended application.
Different subsystems of a typical satellite and issues like the major functions performed by each one of these subsystems along with a brief discussion of their operational considerations are covered in this chapter.
After an introduction to the evolution of satellites, satellite orbital dynamics and hardware in the first four chapters, the focus shifts to topics that relate mainly to communication satellites in the three chapters thereafter.
The topics covered in the first of these three chapters, Chapter 5, mainly include communication fundamentals with particular reference to satellite communication followed by multiple access techniques in the next chapter.
Chapter 7 focuses on satellite link design-related aspects. Emerging digital modulation techniques and a brief description of multiple spot beam technologies have been added to Chapters 5 and 7, respectively.
Chapter 8 is on Earth station design and discusses the different types of Earth stations used for varied applications, Earth station architecture and design considerations,
key performance parameters of an Earth station, Earth station testing, and some representative Earth stations.
Communication satellites account for more than 80% of the total number of satellites in operation. This is one of the most widely exploited applications of satellites. Major earth station facilities have been briefly covered in the third edition of the book.
A chapter on Networking Concepts (Chapter 9) is a new addition to the third edition. The chapter comprehensively covers various networking concepts such as characteristics, applications, and services of networks, network topologies, technologies, and protocols.
Internetworking issues are also briefly covered. Satellite applications are in the second part of the book in Chapters 10 to 15.
Based on the intended applications, the satellites are broadly classified as communication satellites, navigation satellites, weather forecasting satellites, Earth observation satellites, scientific satellites, and military satellites.
We intend to focus on this ever-expanding vast arena of satellite applications. The emphasis is on the underlying principles, the application potential, their contemporary status, and future trends.
The first chapter on satellite applications covers all the communication-related applications of satellites, which mainly include satellite telephony, satellite radio, satellite television, and data broadcasting services. Major international communication satellite missions have also been described at length.
The future trends in the field of communication satellites are also highlighted at the end of the chapter. A brief discussion on digital video broadcasting and its different variants has been included in the third edition of the book.
Also, all data related to the launch of communication satellites has been updated. Remote sensing is a technology used for obtaining information about the characteristics of an object through an analysis of the data acquired from it at a distance.
Satellites play an important role in remote sensing. In Chapter 11, various topics related to remote sensing satellites are covered, including their principle of operation, payloads onboard these satellites and their use to acquire images,
processing and analysis of these images using various digital imaging techniques, and finally interpreting these images for studying various features of Earth for varied applications.
We also introduce some of the major remote sensing satellite systems used for the purpose and the recent trends in the field towards the end of the chapter.
A new section on the Indian Remote Sensing System has been included. The data on all remote sensing satellites have also been updated. The use of satellites for weather forecasting and prediction of related phenomena has become indispensable.
There is a permanent demand from the media with the requirement of short term weather forecasts for the general public, reliable prediction of the movements of tropical cyclones allow re-routing of shipping and preventive action in zones through which hurricanes pass.
Meteorological information is also of considerable importance for the conduct of military operations such as reconnaissance missions.
In Chapter 12, we take a closer look at various aspects related to evolution, operation, and use of weather satellites. Some of the major weather satellite missions are covered towards the end of the chapter. Like previous chapters on satellite applications, this chapter also contains a large number of illustrative photographs.
All data on meteorological satellites have been updated. Navigation is the art of determining the position of a platform or an object at any specified time. Satellite-based navigation systems represent a breakthrough in this field, which has revolutionized the very concept and application potential of navigation.
These systems have grown from a relatively humble beginning as a support technology to that of a critical player used in the vast array of economic, scientific, civilian and military applications.
Chapter 13 gives a brief outline of the development of satellite-based navigation systems and a descriptive view of the fundamentals underlying the operation of the GPS and the GLONASS navigation systems, their functioning and applications.
The GALILEO navigation system and other developmental trends are also covered in the chapter. This new edition of the book also covers satellite-based navigation systems hitherto not covered in previous editions. These include EGNOS, COMPASS and the Indian Satellite Navigation System. Hybrid navigation systems are also introduced in the chapter.
The use of satellites for scientific research has removed the constraints like attenuation and blocking of radiation by the Earth’s atmosphere, gravitational effects on measurements and difficulty in making in situ studies imposed by the Earth-based observations.
Moreover, space-based scientific research is global by nature and helps to give an understanding of the various phenomena at a global level. Chapter 14 focuses on the scientific applications of satellites, covering in detail the contributions made by these satellites to Earth sciences, solar physics, astronomy, and astrophysics.
Military systems of today rely heavily on the use of satellites both during the war as well as in peacetime. Many of the military satellites perform roles similar to their civilian counterparts, mainly including telecommunication services, weather forecasting, navigation, and Earth observation applications.
Though some satellite missions are exclusively military in nature, many contemporary satellite systems are dual-use satellites that are used both for the military as well as civilian applications.
In Chapter 15 of the book, we deliberate on various facets of military satellites related to their development and application potential.
We begin the chapter with an overview of military satellites, followed by a description of various types of military satellites depending upon their intended application and a detailed discussion on space weapons.
A chapter on the emerging trends in satellite technology and applications (Chapter 16) is another new addition in the third edition of the book.
The chapter mainly covers some unconventional but futuristic space-related topics such as space tethers, space elevators, aerostats, etc.
The chapter also includes a brief account of millimeter-wave communication satellites and emerging space station concepts.
A new chapter was considered necessary as these topics could not have been included in any of the previous chapters.
As an extra resource, the companion website for our book www.wiley.com/go/maini contains a complete compendium of the features and facilities of satellites and satellite launch vehicles from past, present and planned futuristic satellite missions for various applications.
Color versions of some of the figures within the book are also available. The motivation to write the proposed book and the selection of topics covered lay in the absence of any book which in one volume would cover all the important aspects of satellite technology and its applications.
There are space encyclopedias that provide detailed information/technical data on the satellites launched by various countries for various applications, but contain virtually no information on the principles of satellite technology.
There are a host of books on satellite communications, which discuss satellite technology with a focus on communications-related applications.
We have made an honest attempt to offer to our intended audience, mainly electronics, telecommunication and IT professionals, a concise yet comprehensive up-to-date reference book covering in one volume both the technology as well as the application-related aspects of satellites.
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