A Light emitting diodes (LEDs) have gained broad recognition as the ubiquitous little lights that tell us that our monitors are on, the phone is off the hook or the oven is hot semiconductor.

The basic principle behind the emission of light is that: When charge carrier pairs recombine in a semiconductor with an appropriate energy band-gap generates light. In a forward biased diode, little recombination occurs in the depletion layer. Most occurs in a few microns of either P- region or N ?region, depending on which one is lightly doped.

LE ....etc

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Light emitting diodes (LEDs) have gained broad recognition as the ubiquitous little lights that tell us that our monitors are on, the phone is off the hook or the oven is hot semiconductor. The basic principle behind the emission of light is that: When charge carrier pairs recombine in a semiconductor with an appropriate energy band-gap generates light. In a forward biased diode, little recombination occurs in the depletion layer. Most occurs in a few microns of either P- region or N –region, depending on which one is lightly doped. LED ....etc

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Palm-vein detection is a biometric system which has mainly been devel-
oped in Japan and is already in commercial use, e.g. in nance and health
care. The pattern of veins in a human palm is a randotypical feature that
emerges during tissue growth and is therefore likely to be distinct even for
identical twins. At the same time, it oers a relatively large feature vector,
resulting in attractive error rates being possible.
In this proposed project, a palm vein pattern sensor is to be developed,
which will require a combination of physic ....etc

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hi i am ali i want to know about seminar on impact of lightening on building and its remedial measure ....etc

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ABSTRACT
We have designed an electronic circuit for the automatic illumination of tunnel.
Our main objective for the circuit is to reduce the idle time power consumption of
lights in tunnel. According to the traffic density and light intensity outside the
tunnel we have prepared a model which dims or turn the lights of during the idle
time of the tunnel for saving the power consumption. In this project our main
focus is on the power saving and illumination optimization.
Introduction
1.1 Tunnel Basics
A ....etc

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please send me the information about fusion of images recorded with variable illumination ....etc

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I need illumination with solid state lighting ppt ....etc

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I am looking for information on Power less Illumination.Please help me with the information.i need to take a seminar . ....etc

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AN EDGE-BASED FACE DETECTION ALGORITHM ROBUST AGAINST
ILLUMINATION, FOCUS, AND SCALE VARIATIONS
ABSTRACT
A face detection algorithm very robust against illumination,focus and scale variations in input images has been developedbased on the edge-based image representation. Themultiple-clue face detection algorithm developed in our previouswork has been employed in conjunction with a newdecision criterion called .density rule,. where only high densityclusters of detected face candidates are retained as faces.As a result, the occurre ....etc

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FPGA based LED illumination Control System

The resource utilization can be improved by the dynamic reconfiguration technique based on FPGA. The methods and prociples for dynamic reconfiguration is discussed in this article. Here, Xilinx Virtex-ⅡFPGA and SMCS Ethernet PHY (Physical Layer Transceiver) is utilised to implement a remote dynamic reconfiguration scheme. The RFDRS (Remote FPGA Dynamic Reconfiguration System) can remotely control the changes freely in the eight LED (Light emitting diodes) lighting modes. This method can be ....etc

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