Polar Satellite Launch Vehicle commonly known by its abbreviation PSLV‚ is an expendable launch system developed and operated by the Indian Space Research Organisation (ISRO). It was developed to allow India to launch its Indian Remote Sensing (IRS) satellites into sun synchronous orbits‚ a service that was‚ until the advent of the PSLV‚ commercially viable only from Russia. PSLV can also launch small size satellites into geostationary transfer orbit (GTO). The PSLV has launched 55 satellites / spacecrafts
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Стилистический анализ текста: Graham Greene “I Spy” The text under stylistic analysis “I Spy” is written by Graham Greene in the style of fiction. It deals with author’s feelings and emotions about relations at school‚ relations in the family. The main theme of the story is how main character of the story Charlie Stowe was able to steal some of his father’s stock - a packet with cigarettes from his father’s shop‚ with the purpose to prove his classmates that he is not a little boy. The idea
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Iridium and the Market for Satellite Phones Introduction: In August 1988 Motorola CEO Bob Galvin approved initial funding for a global satellite telephone system developed by Motorola’s Space and Technology Group. Two years later‚ in June 1990‚ Motorola formally announced the Iridium project in simultaneous press conferences in New York‚ London‚ Melbourne‚ and Beijing. Motorola was the lead investor in a separate corporate entity that managed the entire Iridium project. It took $5 billion in
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Tom Ton-That Session 4 A Spy Among Friends: Kim Philby and the Great Betrayal Ben Macintyre‚ the author of A Spy Among Friends: Kim Philby and the Great Betrayal‚ is a British columnist for The TImes newspaper. However‚ he is well known as a writer for writing spy stories. A Spy Among Friends: Kim Philby and the Great Betrayal‚ is regarded as Macintyre’s most successful book. A Spy Among Friends: Kim Philby and the Great Betrayal‚ is written by Ben Macintyre. It was published in 2014.It
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How do cable and satellite TV signals get to my television? Cable TV: Cable TV companies lay wiring throughout the areas they service‚ including amplifiers to make sure signal strength is good throughout. Cable can then be easily brought into your home and connected to a cable box or directly into your TV. Satellite TV: Satellite TV companies send their signal to a satellite in space‚ which then sends it down to the dish on your roof. The dish then needs to connect to a receiver box‚ which connects
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A Survey on Satellite Network Security Ma Ting G0902682F mati0004@ntu.edu.sg Abstract Security is an important concern in satellite multicast communications. Due to its highly dynamic broadcast nature‚ the multicast systems generally have a large number of terminal members with frequent join-leave characteristic. Therefore‚ the satellite networks face significant security challenges‚ such as eavesdropping and Denial of Service (DoS). What is more‚ satellite systems are resource-constrained
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2D1426 Robotics and Autonomous Systems Project Report Group 5: “Ad Hoc”. Frontal view of the vicious “Ad Hoc” robot Team members: Heijkenskjöld‚ Hannes Kalén‚ Martin Malmesjö‚ Stefan Hoc‚ Ad Abstract This is a report of the project for the course 2D1426 Robotics and Autonomous Systems. It describes the ideas and the design of the Ad Hoc robot. It covers the main design goals‚ implementation and results. The goal of the robot was to play table hockey‚ and above all to be able to
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MEDIUM ACCESS CONTROL PERFORMANCE IN SATELLITE COMMUNICATION ABSTRACT MAC protocols are designed to coordinate the transmission of packets‚ retransmission of damaged packets‚ and resolution of collisions among stations during a contention period . The MAC protocols include fixed assignment protocol‚ demand assignment protocol‚ random access protocol‚ reservation protocol‚ hybrid of reservation protocol and random access protocols and adaptive protocols. Satellite communication systems have traditionally
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1. Define the customer/prospect segments. In 1997 XM Satellite Radio was investigating how they could utilize customer segmentation to create a focused target market in their business plan. After proper consideration XM Satellite Radio determined that a multi-segmented approach would be advantageous to their business model. A multi-segmented approach would allow for XM Satellite Radio to tailor certain stations to meet the needs of large populations that share distinct characteristics. This approach
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part of the body‚ usually involves the torso‚ and is usually accompanied by a number of satellite nevi. Satellite nevi (or just satellites) are smaller melanocytic nevi (smaller birthmarks). When a child is born with a giant nevus‚ it is common for satellite nevi to be present at birth. It is also common for satellite nevi to appear after birth. Sometimes during diagnosis‚ doctors may use a large number of satellites to support their diagnosis of a large or giant congenital melanocytic nevus. Sometimes
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