pooja raju
Ppt of OPTICAL OFDM FOR HIGH SPEED WIRELESS OPTICAL COMMUNICATION
how to prepare ppt on this seminar topic?
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This topic deals with the evacuation pattern in high rise buildings mainly on the onset of fire. The ability to warn population of the impending disasters has become a reality only in the last few years. The ability to track and warn must be complimented with the capability of effecting a timely evacuation of potentially threatened areas. The two problems that exist are the ability to adequately disseminate a warning of an impending disaster and that of producing an evacuation once the warning has been received. These problems can be overcome b ....etc

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http://freespaceopticsfreespaceoptics/images/flightstrata_photo.jpg
Free space optical communications is a line-of-sight (LOS) technology that transmits a modulated beam of visible or infrared light through the atmosphere for broadband communications. In a manner similar to fiber optical communications, free space optics uses a light emitting diode (LED) or laser (light amplification by stimulated emission of radiation) point source for data transmission. However, in free space optics, an energy beam is collimated and transmitted t ....etc

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INTERNET SEARCH AND RISE OF GOOGLE


INTRODUCTION

Founders of Google are Larry Page and Sergey Brin. It released its website in August 1996.

It is a search engine that connects the keywords that user enters to a database it has created of WebPages. It then produces a list of links to pages.

“GOOGLE” word is derived from the word “googol” denoting followed by 100 zeroes.

It is a gorilla in the online marketing.


PRODUCTS OF GOOGLE
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Abstract:
A seismic loss curve of a real-world building is obtained by means of state-of-the-art models for the impending ground motion, the structure, the damage of structural and nonstructural components, and the ensuing losses. In particular, the seismic hazard at the buildingâ„¢s location _Vancouver, Canada_ is described by a comprehensive probabilistic model. It is argued that this ground motion model is particularly appropriate in reliability analysis compared with the more common utilization of a limited set of scaled ground moti ....etc

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This topic deals with the evacuation pattern in high rise buildings mainly on the onset of fire. The ability to warn population of the impending disasters has become a reality only in the last few years. The ability to track and warn must be complimented with the capability of effecting a timely evacuation of potentially threatened areas. The two problems that exist are the ability to adequately disseminate a warning of an impending disaster and that of producing an evacuation once the warning has been received. These problems can be overcome b ....etc

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wan some material abt the topic..... asap ....etc

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Sir,
I want to know about the rise time budget in optical communication . So i request you to grant me the same ppt.

Thank you ....etc

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MICROCONTROLLER BASED PROTECTION OF HIGH RISE BUILDINGS

Recently the WTC attack has left a indelible scar on the psychology of the people. This project attempts to make a prototype of a system which can be used to protect high rise buildings against arial attack. The stepper motor moves a Tx which shoots pulses in all directions and the reflected signal is picked up and analysed to detect the direction and size of object approaching the building and a weapon is fired in that direction. ....etc

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INTRODUCTION
Earthquakes are the natural hazards with high damage potential. However, by utilizing several principles, it is possible to identify and minimise the resulting social and economic losses, which mainly involve loss of human lives, damage to major industrial facilities, civil engineering structures and lifelines.
In the last decades many methodologies on seismic hazard analysis and damage prediction are developed. In recent years, the development of structural design criteria for new structures and re ....etc

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