Dept for the support in my endeavor. I express my heartful thanks to all my friends for their precious help. VISAKH.G.NAMPOOTHIRI ABSTRACT LiDAR is a remote sensing technology that measures distance by illuminating a target with a laser and analyzing the reflected light. The term LIDAR stands for Light Detection and Ranging. This is a remote sensing method used to examine the surface of the Earth. LiDAR is popularly known as a technology used to make high resolution maps such as flood
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because it is comprised of the two greek words “holo” and “graphy.” The word “holo” means “whole” and “graphy” means “writing/pictures.” Later‚ with the invention of lasers‚ optical holograms became possible. In 1964‚ at a conference of the Optical Society of America‚ Emmett Leith blew everyone’s minds when he introduced holograms with lasers which made 3D holograms possible. From that moment‚ holograms became commercially available (Schwartz‚ 2006). The recording of holograms is a lot like taking a
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utilized our brain for the welfare of mankind by working on device called I-PROTECTOR. It is an embedded device consisting of motion sensors using laser and LDR sensor‚ camera system‚ automatic door locking system‚ automatic SMS and E-MAIL sending. The protection boundary will surround the room which needs to be protected. First boundaries consist of LASER beam which sense the authentic entry in the system. The second part consists of camera‚ automatic E-MAIL sending and SMS sending process
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practical use came in military communication systems many decades later. Carl developed the Lichtsprechgerät 80 (direct translation: light speaking device) that the German army used in their World War II anti-aircraft defence units. The invention of lasers in the 1960s revolutionized free space optics. Military organizations were particularly interested and boosted their development. However the technology lost market momentum when the installation of optical fibre networks for civilian uses was at
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Sagar Institute of Science & Technology‚ Bhopal Department of Electronics and Communication Major Project On Laser based security system STUDENT’S BY Under the guidance of Satyendra Choudhary Mrs. Deepa Gyanchandani 0187EC101095 Nikhil Solanki 0187EC101066 Contents Introduction Objective Methodology Block Diagram
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Take a second to imagine Earth without life. Nothing but a barren and desolate sea of beige sand where vibrant and healthy palm trees used to exist as they billowed in the wind along the side of the Los Angeles highway. Every sloth‚ jaguar‚ and river dolphin has completely disappeared from the once bountiful and lush Amazon Rainforest‚ leaving behind only the eerie sound of silence and sadness. At the rate that humans today consume our planets non-renewable resources‚ such as natural gas and fossil
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display involving analog to digital conversion and laser bit communication was constructed. The exhibit also demonstrates how more bits can be used to communicate a more accurate signal. For this task‚ an audio information source (CD player) produces a signal that is converted to digital information. This information will then be sent to a receiver using laser light switching on and off to communicate zero’s and one’s. The receiver will pick up the laser light and convert the digital information back
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for more storage is growing. The amount of data produced is doubling in every two years. (in 2010 – 1.8 zettabytes) The cost of creating‚ managing and storing the data is decreasing‚ but can the optical storage expand further? The current Blu-ray lasers emit light in the blue part of the electromagnetic spectrum (about 420 nanometer wavelength). There are ongoing researches using UV light‚ that would probably have to be 200 nm and would provide storage capacities of over 100 GB in a single layer
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Brother Laser Printer SERVICE MANUAL MODEL: HL-6050/6050D/6050DN Read this manual thoroughly before maintenance work. Keep this manual in a convenient place for quick and easy reference at all times. October 2003 SM-PRN048 © Copyright Brother Industries‚ Ltd. 2003 All rights reserved. No part of this publication may be reproduced in any form or by any means without permission in writing from the publisher. Specifications are subject to change without notice. Trademarks: The brother logo is a
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through the given input electrical signal. In the digital optical fiber communication system‚ the input electrical signal is in the form of coded digital pulses from the encoder and these electric pulses modulate the intensity of the light from the laser diode or LED and convert them into optical pulses. In the receiver stage‚ the photo detector like avalanche photodiode (APD) or positive-intrinsic-negative (PIN) diode converts
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