XM Satellite Radio 1. Value proposition of XM to different consumer segments and primary target segment. XM had developed the capability to provide 50+ high quality (near CD quality) digital radio channels to cars and homes via satellite throughout the country. Such a service was not available before and has the ability to deliver uninterrupted service without any retuning needed. The value proposition here is high quality and ubiquitous radio broadcast‚ in addition to the variety of
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SATELLITE COMMUNICATIONS SATELLITE COMMUNICATIONS - AN OVERVIEW INTRODUCTION The outer space has always fascinated people on the earth and communication through space evolved as an offshoot of ideas for space travel. The earliest idea of using artificial satellites for communications is found in a science fiction Brick Moon by Edward Evert Hale‚ published in 1869-70. While the early fictional accounts of satellite and space communications bear little resemblance to the technology as it exists
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INTRODUCTION For three decades‚ satellite communications have been used for public switched telephone network (PSTN) and video broadcasting applications. However‚ with daily technology advancements made in society and the requirement for global data connectivity‚ satellites are increasingly being used to provide data communication links at all data rates ranging from 64 Kbps to 155 Mbps (Buchsbaum). Wireless technology allows data to be sent out into space to a satellite and back to earth to provide
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ISIS is a terrorist group with the goal of establishing a caliphate‚ which is an Islamic state led by a group of religious authorities under a supreme leader. The leader is called the caliph‚ who is believed to be the successor to Prophet Muhammad. ISIS believes they are representing Islam with their violent cleansings; however‚ actual muslims do not even consider ISIS as a religious figure. They are simply just cruel terrorists that want to spread their influence over the whole world. ISIS wanted
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in atmosphere by digital signal processing of satellite images Abstract Satellite imaging has changed the view of remote sensing application. Different methods and ways of processing have been found out . These methods have extended from military applications to research work. A satellite image has to go for image processing and the proper pictorial view can be achieved of the required object. Remote sensing is done in two ways one is satellite imaging and other is ariel photography . the precision
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Satellite Communication Engineering Michael O. Kolawole Jolade Pty. Ltd. Melbourne‚ Australia Marcel Dekker‚ Inc. TM New York • Basel Copyright © 2002 by Marcel Dekker‚ Inc. All Rights Reserved. ISBN: 0-8247-0777-X This book is printed on acid-free paper. Headquarters Marcel Dekker‚ Inc. 270 Madison Avenue‚ New York‚ NY 10016 tel: 212-696-9000; fax: 212-685-4540 Eastern Hemisphere Distribution Marcel Dekker AG Hutgasse 4‚ Postfach 812‚ CH-4001 Basel‚ Switzerland tel: 41-61-261-8482; fax: 41-61-261-8896
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not bad. Everyone can join the discussion. 2. I think I did pretty good. I was trying my best to listen people and talk with people. If I have more time‚ I will do better. 3. I think we can have more time to finish discussion. 4. I think this type is pretty nice‚ but I prefer to class discussion because I feel relaxed when we do class discussion. 5. I think discussion was nice‚ but I do not like the question about who is the leader‚ who talk the most‚ who talk the least. I think everyone already
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REMOTE SENSING LETTERS‚ VOL. 7‚ NO. 2‚ APRIL 2010 333 Satellite Image Contrast Enhancement Using Discrete Wavelet Transform and Singular Value Decomposition Hasan Demirel‚ Cagri Ozcinar‚ and Gholamreza Anbarjafari Abstract—In this letter‚ a new satellite image contrast enhancement technique based on the discrete wavelet transform (DWT) and singular value decomposition has been proposed. The technique decomposes the input image into the four frequency subbands by using DWT and estimates
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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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Satellite Telecommunications Network and Telecommunications Concepts 360 September 11‚ 2005 Table of Contents Introduction Satellite Communications History Sputnik Changed Everything America ’s Response Future Trends in Satellite Communications GEO vs. LEO Bent-Pipe Satellite Relay vs. the Switch in the Sky Companies Involved in Satellite Communications Regulatory Issues in Satellite Communications Global implications for the
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