What is the closed-form expression for the below sum of Geometric Progression (GP) sequence‚ S n ? S n a aR aR 2 ... aR n (1) where R is called the common ratio (between consecutive terms) of the GP sequence. The reason why we want to derive a closed-form expression for S n is for the sake of calculating the summation‚ or otherwise we need to add all terms one-by-one together‚ which does not make a sense if the number of terms is huge‚ say a million terms! Most importantly
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after reviewing the results of the blind spot experiment conducted on myself and two additional participants I have confirmed the blind spot is variable in each of the participants. I arrived at this conclusion based on the individual measurements of the height and width of each volunteer left and right eyes blind spot. Which showed that the results varied for each of the volunteers. One point of interest was the average measurements of height in the blind spots for Rita‚ Mary and Ken were relatively
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and press send key uses RACH to ask for a signaling channel. 2. The BSC allocates a signaling channel‚ using AGCH. 3. The MS sends a call setup request through SDCCH‚ to the MSC/VLR. Over SDCCH‚ all signaling takes place. This includes: Marking the MS status as active in the VLR (if the MS status is not updated earlier). The Authentication Procedure Ciphering Equipment Identification Sending the called Subscriber number to the network Checking if the subscriber has service barring of outgoing
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I guess it was bound to happen one day‚ but I really never thought it would happen to me. No one wants it to happen‚ but it came at the moment where I least expected it. Was it a near death experience? No‚ it was my first car accident. “Be careful and pay attention when you’re driving.” Said my dad. He always worries about things. I said‚ “I will‚ don’t worry I have everything under control.” I sort of chuckled in my head‚ thinking what’s the worst thing that could happen? I was only going down
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FROM GSM TO LTE FROM GSM TO LTE AN INTRODUCTION TO MOBILE NETWORKS AND MOBILE BROADBAND Martin Sauter WirelessMoves‚ Germany A John Wiley and Sons‚ Ltd.‚ Publication This edition first published 2011 2011 John Wiley & Sons‚ Ltd Registered office John Wiley & Sons Ltd‚ The Atrium‚ Southern Gate‚ Chichester‚ West Sussex‚ PO19 8SQ‚ United Kingdom For details of our global editorial offices‚ for customer services and for information about how to apply for permission to reuse the copyright
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car had slammed head on into a green van right in the middle of the large intersection. Shattered windscreen glass was strewn all over the junction and the passers-by crowded round the scene. I saw one girl rushing to the telephone to report the accident. For a minute or two‚ nothing happened. Then‚ a man got out of the green van. His van was completely smashed in on the side of the collision. He looked shaken and furious. He walked over to the yellow car only to find that the driver was unconscious
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GPS vs. GIS Global Positioning System (GPS) is a system that accurately determines the precise position of something on Earth. GPS is a constellation of twenty four satellites‚ each of which orbits Earth once every twelve hours. The U. S. Department of Defense operates and maintains these Global Positioning System satellites. Each satellite contains a high precision atomic clock and several transmitters that constantly send radio signals back to Earth. These signals communicate the satellite’s
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Spot-fixing/Match-fixing The great damage done to the Cricket is by match-fixing allegations every now and then. Spot-fixing means that player or the whole team accepts money from the bookies to intentionally play badly. Players also have been taking money to give information about the pitch and the weather conditions. Generally players deny any kind of charges put on them‚ but in some cases players have admitted their involvement in either spot-fixing or illegal activities. For instance
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GSM: Network Architecture The GSM technical specifications define the different entities that form the GSM network by defining their functions and interface requirements. The GSM network can be divided into four main parts: * The Mobile Station (MS). * The Base Station Subsystem (BSS). * The Network and Switching Subsystem (NSS). * The Operation and Support Subsystem (OSS). figure 1: Architecture of the GSM network Mobile Station A Mobile Station consists of two main
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Publications‚ Volume 2‚ Issue 4‚ April 2012 ISSN 2250-3153 1 Automatic Accident Detection via Embedded GSM message interface with Sensor Technology C.Vidya Lakshmi‚ J.R.Balakrishnan M.E Computer Science Engineering Anand Institute of Higher Technology‚ Affiliated to Anna University Abstract- An automatic alarm device for traffic accidents is introduced in this paper. It can automatically find a traffic accident‚ search for the spot and then send the basic information to first aid center within two seconds
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