please send me a ppt on underwater wireless communication to my mail id [email protected]

please send me a ppt on underwater wireless communication to my mail id [email protected]


....etc

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A PAPER PRESENTATION ON HIDING DATA IN IMAGES BY SIMPLE LSB SUBSTITUTION

Hiding data in images by simple LSB substitution
Abstract
In this paper, a data-hiding scheme by simple LSB substitution is
proposed. By applying an optimal pixel adjustment process to the stego
-image obtained by the simple LSB substitution method, the image
quality of the stego-image can be greatly improved with low extra
computational complexity. The worst case mean-square-error between the
stego-image and the cover-image is deri ....etc

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This inverter is very easy to construct, reliable, and even powerful enough to light up a 15W florescent tube (if you cool your transistor well). The only hard-to-find piece of this baby is the so-called yellow inverter transformer. It's a miniature high frequency transformer that has a 25mm x 20mm x 5mm ferrite core, 30 turns of primary, 15 turns of feedback, and 250 turns of secondary all concentric, wound on plastic frame than wrapped with a 'yellow' adhesive tape. If you can't find it in your local electronic shops then ....etc

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Abstract
This paper proposes a generalized method for thegeneration of space vector pulsewidth modulation (SVPWM) signalsfor multilevel inverters. In the proposed method, the actualsector containing the tip of the reference space vector need notbe identified. A method is presented to identify the center of asubhexagon containing the reference space vector. Using the centerof the subhexagon, the reference space vector is mapped to theinnermost subhexagon, and the switching sequence correspondingto a two-level inverter is determined. A n ....etc

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seminar on underwater wireless communication simple ppt ....etc

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Data Leakage Detection



INTRODUCTION
iN the course of doing business, sometimes sensitive data must be handed over to supposedly trusted third parties. For example, a hospital may give patient records to researchers who will devise new treatments. Similarly, a company may have partnerships with other companies that require sharing customer data. Another enterprise may outsource its data processing, so data must be ....etc

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Hospital Management System



. INTRODUCTION


Hospital is a place where the patient is treated for his diseases. So the hospital is important public place. Hospital may be small or large, but the efficient handling of hospital is an essential element. Especially, when we are considering big hospital, many different departments and wards are there. In such a hospital as I told, management of working becomes necessary. Smooth management affects the satisfac ....etc

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SEMINAR ON MULTI_TOUCH



INTRODUCTION


Touch Screen

A touch screen is an electronic visual display.

We can interact with the display using hand or passive objects like stylus

The touch screen has two main attributes.

First, it enable to interact with what is displayed directly on the screen , where it is displayed rather than indirectly with a cursor controlled by a mouse or a touchpad.

Secondly, it lets one do so without requiring any intermediate device ....etc

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Abstract
This paper presents the development of asimple 1.5kW single-phase sinusoidal Pulse WidthModulation (PWM) inverter. This inverter isdesigned to be either a stand-alone or grid connectedinverter from a direct supply of photovoltaic (PV)cells. The developed inverter unit converts the DCinput supply from the PV cells into a clean sinusoidalvoltage output. This power inverter is also capable tobe a grid
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Cryptography simple report



What is Cryptography?

This is the art of
keeping messages
secret


Secret Key Cryptography-

Follows SYMMETRIC
ALGORITHMS.
Single key used to
encrypt and decrypt.
Key must be known
by both parties.

Public Key Cryptography-

Follows ASYMMETRIC
ALGORITHMS.
Each entity has 2 keys:
private key (a secret)‏
public key (well known)‏

Using Keys


Private keys are used for
decrypting.
Public keys are us ....etc

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