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Title: A new wireless technology could beat fiber optics for speed in some applications
Page Link: A new wireless technology could beat fiber optics for speed in some applications -
Posted By: computer science crazy
Created at: Thursday 03rd of September 2009 07:40:52 PM
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Atop each of the Trump towers in New York City, there's a new type of wireless transmitter and receiver that can send and receive data at rates of more than one gigabit per second -- fast enough to stream 90 minutes of video from one tower to the next, more than one mile apart, in less than six seconds. By comparison, the same video sent over a DSL or cable Internet connection would take almost an hour to download.
This system is dubbed 'WiFiber' by its creator, GigaBeam, a Virginia-based telecommunications startup. Although the technolo ....etc
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Title: Advanced Fiber Optics
Page Link: Advanced Fiber Optics -
Posted By: smart paper boy
Created at: Wednesday 27th of July 2011 07:19:46 PM
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Advanced Fiber Optics
Introduction
Fibre optics is being used to transmit television, voice, and digital data signals by light waves over flexible hair like threads of glass and plastic. It has evolved into a system of great importance and use since the 1980’s.
The advantages of fibre optics compared to coaxial cable or twisted pair cable, are endless. Millions of dollars are being spent to put light wave communication systems into operation, as a result of its performance.
Composition of optic ....etc
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Title: Fiber Optics in Telecommunication
Page Link: Fiber Optics in Telecommunication -
Posted By: bhargav eswar
Created at: Sunday 07th of March 2010 01:38:24 PM
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plz send me the the topic ....etc
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Title: FIBER OPTICS BASED COMPUTER NETWORK full report
Page Link: FIBER OPTICS BASED COMPUTER NETWORK full report -
Posted By: project topics
Created at: Tuesday 06th of April 2010 11:14:39 PM
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SEMINAR REPORT ON FIBER OPTICS BASED COMPUTER NETWORK
INTRODUCTION
In recent years it has become apparent that fiber-optics are steadily replacing copper wire as an appropriate means of communication signal transmission. They span the long distances between local phone systems as well as providing the backbone for many network systems. Other system users include cable television services, university campuses, office buildings, industrial plants, and electric utility companies.
A fib ....etc
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Title: fiber optics seminars report
Page Link: fiber optics seminars report -
Posted By: amitsolanki_it
Created at: Friday 24th of December 2010 09:19:18 PM
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Respected sir ,
i want to give seminar on fiber optics so i required .doc report and .ppt report so please help me and i given it within a one day.
(!)what is fiber optics
(5) working
(2)use
(3)advantage
(4)disadvantage ....etc
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Title: Fundamental of Fiber Optics
Page Link: Fundamental of Fiber Optics -
Posted By: smart paper boy
Created at: Wednesday 10th of August 2011 06:03:38 PM
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Fundamental of Fiber Optics
Optical Fiber
Total Internal Reflection
V-Number and Fiber Modes
Cut-off Wavelength
Definition: the wavelength below which multiple modes of light can be propagated along a particular fiber, i.e., l>=lc, single mode, l
Multi-Mode vs. Single-mode
Wavelength of Transmitted Light
Wavelength-dependant Attenuation
Typical Optical Fiber Sensing Mechanism
Light Parameters
Power/Intensity
Unit:
Watts
dbm: 10log(P*1000)
Attenuation/loss
db: 10log(P1/P0)
Wavelength ....etc
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Title: Fiber-Optics-Based Fault Detection in Power Systems
Page Link: Fiber-Optics-Based Fault Detection in Power Systems -
Posted By: seminarsense
Created at: Wednesday 01st of December 2010 12:24:52 PM
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This article presents a fiber-optics-based sensing network for fault detection in power systems. This scheme is considered secure and immune from interferences. A passive rugged fiber-Bragg-grating-based sensors are present a each of the monitoring locations. magnetostrictive transducers are used in the place of CT or PT for the purpose of converting the magnetically induced currents into optical signals. The temperature drift in these sensors can be easily compensated for. An increased fault current at a certain location causes a surge in th ....etc
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Title: fiber optics gyroscope seminar
Page Link: fiber optics gyroscope seminar -
Posted By:
Created at: Thursday 08th of May 2014 08:48:29 AM
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looking to attend a seminar on fiber optics gyroscopes physics and applications. can be a separate seminar or a topic of a larger seminar. ....etc
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Title: Conceptual design of 8 channel fiber optics serial data link for digital signal
Page Link: Conceptual design of 8 channel fiber optics serial data link for digital signal -
Posted By: smart paper boy
Created at: Wednesday 10th of August 2011 04:39:58 PM
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Why fiber?
Speed- operates at high speed upto gigabits
Bandwidth- large carrying capacity
Resistance- to EM noise
Provide electrical isolation
Distance- Signals can be transmitted further without need of repeaters
Maintenance cost- less
Requirements of digital fiber link
No. of digital signal – 8
No. of fiber cable – 1
Signal frequency- 0-20KHz
I/p-O/p voltage level- 0 & 24 V for (0 & 1 digital logic)
Transmission Range- 300m
Here, we have selected HFBR-1521 transmitter and HFBR-2521 receiver ....etc
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Title: RF to Fiber Optics
Page Link: RF to Fiber Optics -
Posted By: project topics
Created at: Thursday 04th of August 2011 05:34:12 PM
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RF to Fiber Optics We turn the RF into Optics. Then using an AWGN signal to create noise we can insert 2 signals (1 small and 1 large). We can then subtract the large signal with the noise going on to see how much cancellation we can get using an oscilloscope and Spectrum Analyzer. ....etc
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