A SEMINOR REPORT ON WITRICITY Submitted to JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY‚ Anantapur In partial fulfillment of award of the degree of Bachelor of Technology IN ELECTRICAL AND ELECTRONICS ENGINEERING BY D.SANDEEP KUMAR 05P11A0255 [pic] DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING CHADALAWADA RAMANAMMA ENGINEERING COLLEGE (Affiliated to J.N.T.U‚ ANANTAPUR) TIRUPATI-517506 2009 ABSTRACT Human brains always search for the new ways and means which makes life
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1. INTRODUCTION The next Pearl Harbor will not announce itself with a searing flash of nuclear light.You will hear a sharp crack in the distance. By the time you mistakenly identify this sound as an innocent clap of thunder‚ Fluorescent lights and television sets will glow eerily bright‚ despite being turned off.. Your Palm Pilot and MP3 player will feel warm to the touch‚ their batteries overloaded. Your computer‚ and every bit of data on
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device which receives the radio waves and converts them into usable form of waves. The antenna is used for receiving the radio waves (electromagnetic waves) and converts them to alternating currents and give to the receiver‚ and the receiver extracts the desired information. The electronic filters in the receiver is used to separate the desired radio frequency signal from all the other signals picked up by the antenna‚ an electronic amplifier is used to increase the power of the signal‚ and finally recovers
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PHYS 2102 Final Exam Fall 2008 Name :________________________ Student # : _________________________ Section (circle one): 001 (Dr. Leilabady) 002 (Dr. Astratov) 092 (Dr. Aktas) You have 2 ½ hours to complete your answers There are 12 questions‚ 10 points each Exam graded out of 100 points (i.e. there is up to 20% bonus opportunity) This is a closed book exam. I understand I am not to use any notes or information other than on this exam sheet. I may use a pocket calculator
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47pt UMTS&HSPA Network Dimension for NTS www.huawei.com HUAWEI TECHNOLOGIES CO.‚ LTD. Huawei Confidential PDF 文件使用 "pdfFactory Pro" 试用版本创建 ÿwww.fineprint.com.cn Contents Performance of HSPA and Impact on R99 Performance of HSPA of live network Impact on R99 network after introducing HSPA Huawei R99&HSPA Dimension Principle Huawei R99&HSPA dimension flow Capacity & coverage dimensioning Iub and CE dimensioning Network Dimension and Assumption for NTS Coverage dimension and assumption Capacity
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question‚ what level of RF energy is safe? (Radio Frequency Safety‚ 2010). A cell phone emits RF energy through its antenna. When a cell phone user makes a call a signal is sent to a cell phone tower. The phone adjusts the level of RF energy needed to reach the tower‚ requiring the cell phone RF levels to increase as distance and obstacles increase. Most newer cell phones have an antenna built into the handset‚ therefore‚ if a user has it held to their head‚ the energy can heat the tissue in proximity
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Radio Frequency Identification As a major company supplying to large home improvement stores such as Home Depot‚ and Lowe’s‚ I believe that for efficiency‚ accuracy‚ availability‚ and most importantly; profit‚ we should adopt to the Radio Frequency Identification system‚ a/k/a RFID. With technology improving in our everyday live‚ we should take advantage and utilize it for our business needs. The paper and clipboard method seems to be inefficient‚ and less accurate in terms of recording and reporting
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Invertible matrix From Wikipedia‚ the free encyclopedia (Redirected from Nonsingular matrix) Jump to: navigation‚ search In linear algebra an n-by-n (square) matrix A is called invertible (some authors use nonsingular or nondegenerate) if there exists an n-by-n matrix B such that where In denotes the n-by-n identity matrix and the multiplication used is ordinary matrix multiplication. If this is the case‚ then the matrix B is uniquely determined by A and is called the inverse of A‚
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metre whip antenna | 1.2kg without batteries (heavier than the PRC 349) | 94mm x 44mm x 195mm | | PRC 355 MANPACK (VHF) | Replaces the PRC 351 and 352. Used as the basic platoon radio and half the size and weight of a 351. | 30-88 MHz | Up to 30km | 3.2kg without batteries | 88mm x 185mm x 234mm | | HF RADIOS | The Harris 5800 is the most common radio used. In the manpack form the PRC 325 replaces the 320 and is smaller and lighter. | 1.6-30 MHz | Up to 32km using a whip antenna. Up to 800km
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amount of time to learn the complex features and it can run on a variety of operating systems. The primary advantage of FDTD over other full-wave models is that‚ FDTD being a time domain method allows broadband analysis of the antenna by Gaussian pulse excitation. The antenna characteristics over a wide frequency range can be obtained by taking the Fourier transform of the FDTD simulation results obtained when a wideband Gaussian pulse is used as an excitation. 4.1 FINITE DIFFERENCE TIME DOMAIN METHOD
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