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 through space rather than being guided through an optical cable. These beams of li ....etc

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optical fiber communication by v s bagad pdf free download

Abstract

Fiber-optic communication is a method of transmitting information from one place to another by sending pulses of light through an optical fiber. The light forms an electromagnetic carrier wave that is modulated to carry information. First developed in the 1970s, fiber-optics have revolutionized the telecommunications industry and have played a major role in the advent of the Information Age. Because of its advantages over electrical transmission, optical fibers have largely r ....etc

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pls give details of fiber antennas for free space communicTION ....etc

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please send free space laser communications pdf seminar report ....etc

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to get information about the topicfractal antenna please refer the page link bellow
http://seminarsprojects.net/Thread-fractal-antennas

http://seminarsprojects.net/Thread-fractal-antennas-a-novel-miniaturization-technique-for-wireless-communications

http://seminarsprojects.net/Thread-fractal-antennas-design-characteristics-and-application ....etc

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i need this ppt in pdf format & powerpoint presentation pls send to me mail:
[email protected] ....etc

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1. Mobile Phone Signal Jammer for GSM, CDMA and 3G Networks with Prescheduled
2. Implementation of high sensitive GSM signal detector with audio visual alert indication
3. Implementation of model Radar target direction identifier with remote station alert system
4. Study of Parabolic Antenna for Direct to Home Communication
5. PC to Microcontroller Secured Data Communication using Fiber Optic communication
6. Ultrasonic Target Range Estimation using SONAR Technology
7. Implementation of data and voice communication from PC to GSM network ....etc

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to get information about the topic optical fiber communication full report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-underwater-optical-communication

http://seminarsprojects.net/Thread-under-water-communication

http://seminarsprojects.net/Thread-underwater-wireless-communication-full-report

http://seminarsprojects.net/Thread-underwater-wireless-communication-full-report?pid=53081 ....etc

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Submitted by
NEERAJ MANI TRIPATHI


ABSTRACT
A detailed study on the various next generation nature inspired geometry antennas
i.e. fractal antennas is performed. Mainly four types of printed fractal antennas i.e.
Sierpinski Carpet, Quasi Koch Fractal, Mix fractal and Sierpinski Gasket Fractal
are designed using 3D FEM based solver (Ansoft HFSS), which are basically
variants of Patch antenna. Maximum iteration is three and these antennas are fed
using three basic techniques Transformer Feed, Inset Feed and ....etc

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