Generalised synchronisation in laser devices
with electro-optical feedback
partial and global generalised synchronisation is presented in this article in the case of bi-directionally coupled non-identical chaotic systems with multiple time delays. First a generalized approach is taken and then it is applied to multiple time-delay laser systems with electro-optical feedback. the effect of signal sampling on the signatures of time delays is also studied.
many disciplines of science deals with the synchronisation of systems of coupled ....etc

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hello
plz tell me the way to make the finger print scanning method..............plz reply me with the process and codes required to make finger print scanning system
waiting reply soon ....etc

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In today?s information age it is not difficult to collect data about an individual and use that information to exercise control over the individual. Individuals generally do not want others to have personal information about them unless they decide to reveal it. With the rapid development of technology, it is more difficult to maintain the levels of privacy citizens knew in the past. In this context, data security has become an inevitable feature. Conventional methods of identification based on possession of ID cards or exclusive knowledge like ....etc

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Introduction

In today's information age it is not difficult to collect data about an individual and use that information to exercise control over the individual. Individuals generally do not want others to have personal information about them unless they decide to reveal it. With the rapid development of technology, it is more difficult to maintain the levels of privacy citizens knew in the past. In this context, data security has become an inevitable feature. Conventional methods of identification based on possession of ID cards or exclusi ....etc

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The best optical microscopes can see structures in the 200 – 400 nm range, at their limits of resolution.
The STM can “see” structures on the order of 0.1 nm —another SPM, the AFM—can distinguish things on the order of 100 nm .
Optical microscopes are “diffraction limited”—the wavelength range of visible light (400-750 nm) sets the size of the smallest thing that can be imaged: ~ 400 nm.
Scanning Probe Microscopes don’t use visible light—they depend on measuring intermolecular ....etc

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optical scanning technique of dactylogram (fingerprint) developed by using plural LED's with different wavelength as emitting elements and a color CCD or CMOS area image sensor as receiving element. if the above LED's have wave lengths corresponding to those peak sensing wavelengths of the R/G/B outputs of that color area image sensor, Owing to the R/G/B filters built in that color area image sensor ,and if the above mentioned LED's are installed to emit light on the surface of finger from different directions, then it will be effective to get ....etc

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IRIS SCANNING
A FULL SEMINAR REPORT
Submitted by
MARIYATH K.A
in partial fulfillment for the award of the degree
of
BACHELOR OF TECHNOLOGY
in
COMPUTER SCIENCE & ENGINEERING
SCHOOL OF ENGINEERING
COCHIN UNIVERSITY OF SCIENCE &
TECHNOLOGY,
KOCHI-682 022
NOVEMER 2008Page 2

DIVISION OF COMPUTER SCIENCE & ENGINEERING
SCHOOL OF ENGINEERING
COCHIN UNIVERSITY OF SCIENCE & TECHNOLOGY,
KOCHI-682022
Certificate
Certified that this is a bonafide record of the seminar work entitled
IRIS SCANNING
done by the following student
MARIYAT ....etc

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Introduction

There are two main limitations of using conventional x-rays to examine internal structures of the body. Firstly superimpositions of the 3-dimensional information onto a single plane make diagnosis confusing and often difficult. Secondly the photographic film usually used for making radiographs has a limited dynamic range and therefore only object that have large variation in the x-ray absorption relative to their surroundings will cause sufficient contrast differences on the film to be distinguished by the eye. Thus the details ....etc

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OPTICAL devices

INTRODUCTION
Explosive information demand in the internet world is creating enormous needs for capacity expansion in next generation telecommunication networks. It is expected that the data- oriented network traffic will double every year. Optical networks are widely regarded as the ultimate solution to the bandwidth needs of future communication systems. Optical fiber links deployed between nodes are capable to carry terabits of information but the electronic switching at the nodes limit th ....etc

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yes i am looking polymers for optical storage devices
suguna.s I AM LOOKING POLYMERS FOR OPTICAL STORAGE DEVICES ....etc

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