"Communications Satellite" Essays and Research Papers

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Communications Satellite

Satellite communication, in telecommunications, is the use of artificial satellites to provide communication links between various points on Earth. Satellite communications play a vital role in the global telecommunications system. Approximately 2,000 artificial satellites orbiting Earth relay analog and digital signals carrying voice, video, and data to and from one or many locations worldwide. Satellite communication has two main components: the ground segment, which consists of fixed or mobile...

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Satellite and Radio Communication

Recent Trends in Wireless Radio and Satellite Communication Gori Shankar1, Rajiv Kumar2 Suresh Gyan Vihar University, M.Tech (VLSI) 1 ,Jaipur Engg. College, B.Tech (ECE) 2 gssharma1951@gmail.com,rajivresnick@gmail.com Abstract- In this paper we discussed satellite and radio communication links. Satellites have evolutionized communication. Satellite and radio communication has served mankind in many ...

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Training analysis of Orkin

retail aisle, rooftop air ducts and other “real-world” settings to allows the trainees to have an on hand experience of the real life scenario. This is done so they can cope better at the work. Virtual training: Orkin has an interactive satellite communication network (Rollins Global Network) which creates a virtual classroom and allows 8,000 Orkin employees to receive in-depth training across the country and get their knowledge base updated to better serve in the field. Podcast: Podcast technology...

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Communication Satellites Introduction Communications Satellites have been around since 1958. A communications satellite is a spacecraft that orbits the Earth and relays messages, radio, telephone and television signals. Stations on the ground, called earth stations, transmit signals to the satellite, which then relays the signal to other earth stations. As a newer form of communications, communications satellites are very useful in bringing the people in the world together. Communications between...

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Introduction to satellites

 Subject : Introduction to satellite (SCM01D4) Introduction Eclipses can only occur when the Sun, Earth, and Moon are all in a straight line. Solar occur at new moon, when the Moon is between the Sun and Earth and in contrast, lunar eclipses occur at full moon, when Earth is between the Sun and Moon. The apparent size of the Moon is roughly the same as that of the Sun, with both being viewed at...

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Cemex: a Digital Firm in the Making

Cemex: A DIGITAL FIRM IN THE MAKING 1. How did digital technology transform the way Cemex ran its business? In previous years when Cemex began, the business’ operations ran without the use of digital technology, they used telephones as a communication medium between customers and employees. However, this proved to be futile because it was very time consuming and costly to Cemex. Phone lines were jammed as customers, truckers and dispatchers tried to get orders correct causing orders to be lost...

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Satellite Communications

1 SATELLITE COMMUNICATION – AN INTRODUCTION Contents 1.1 Introduction 1.2 Basics 1.3 Applications of Satellites o Weather Forecasting o Radio and TV Broadcast o Military o Navigation o Global Telephone o Connecting Remote Areas o Global Mobile Communication 1.4 Frequency Allocation of Satellites 1.5 Types of Orbits o GEO o LEO o MEO o Sun Synchronous Orbit o Hohmann Transfer Orbit o Prograde Orbit o Retrograde Orbit o Polar Orbits 1.6 Examples o INTELSAT o U.S. Domsats o Polar Orbiting Satellites...

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Cellular Radio, Isdn Networks and Satellite Communications

Introduction In describing Cellular Radio, ISDN (Integrated Services Digital Network) and Satellite Communications we must first have a general understanding of the meaning of these forms of Telecommunications. After a brief explanation of the different forms, they will be described in more detail. Then the present and future roles in Irish Telecommunications will be looked at and some examples given. This will then lead to the conclusion. 1. What is Cellular Radio? Cellular Radio...

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Case Study: The Alouette-ISIS Satellite Program

Task 1: The Alouette-ISIS Satellite Program The Alouette satellite program was initiated in 1958 by Dr. John H. Chapman to understand the characteristics of radio communication in Canada. Researchers focused on the exploration of the ionosphere (the earth’s upper atmosphere), namely the northern lights. This was not a predominant area of study for the space science effort of other countries and so allowed the Aloutte-ISIS program to make a major and unique contribution. The program commenced with...

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“computers” or “ice cream.” While these may be important, they are definitely not the most important. By far, satellites are the most important objects today. Most everything, including smartphones and computers, are present today because of satellites and have capabilities such as Wi-Fi and 4G because of the role satellites play. Even Socrates, who lived centuries before the first satellite, realized the importance of a view from space when he said, "Man must rise above the Earth…to the top of the...

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