The History and State of the Art of
Variable-Speed wind Turbine
Technology

ABSTRACT
Early wind turbines used for performing mechanical work (pumping, grinding and cutting) optimized aerodynamics by being allowed to run at variable speed. Some of the earliest DC electric wind turbines were allowed to run at variable speed. With the advent of gridconnected AC turbines, rotational speeds were limited in order to control the wind turbine AC frequency output to equal the grid frequency. With the advent of se ....etc

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Presented by:
Frank R. Chavez
Jim Bernard



Abstract

Recent advances in synthetic environment (SE) technology provide the opportunity to develop flight simulators that immerse the pilot in a stereoscopic, three-dimensional world. The first year activities were highly successful in establishing the feasibility of providing a 3D synthetic environment to a pilot. The current year activities are to build on the existing infrastructure, to improve the flight dynamic and environmental models, to incorporate a flight control syst ....etc

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Online Art Gallery is an Online application, which is used to display and sell art works of artist irrespective of their nationality, gender and other narrow consideration, through auction. Artist can register online for being a member in the art gallery and each artist can upload the digital copy of their art work under the respective categories. They can host their art work either for auction or for fixed price. The artist is liable to pay a fraction of the price of each art work to the web site to find the running fund for site.
Customer ca ....etc

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Many online documents (such as the RFCs) prepared before the days of the WWW make extensive use of ASCII Art (diagrams made up from normal characters). The project is to develop software to convert such diagrams into GIF (or similar) images suitable for incorporation in WWW pages. ....etc

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In the recent years communication technology and services have advanced. Mobility has become very important, as people want to communicate anytime from and to anywhere. In the areas where there is little or no infrastructure is available or the existing wireless infrastructure is expensive and inconvenient to use, Mobile Ad hoc NETworks, called MANETs, are becoming useful. They are going to become integral part of next generation mobile services. A MANET is a collection of wireless nodes that can dynamically form a network to exchange informati ....etc

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Steganography ,from the Greek, means covered or secret writing, and is a long-practiced form of hiding information. Although related to cryptography, they are not the same. Steganography's intent is to hide the existence of the message, while cryptography scrambles a message so that it cannot be understood.

Steganography includes a vast array of techniques for hiding messages in a variety of media. Among these methods are invisible inks, microdots, digital signatures, covert channels and spread-spectrum communications. Today, thanks to moder ....etc

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Steganography ,from the Greek, means covered or secret writing, and is a long-practiced form of hiding information. Although related to cryptography, they are not the same. Steganography's intent is to hide the existence of the message, while cryptography scrambles a message so that it cannot be understood.

Steganography includes a vast array of techniques for hiding messages in a variety of media. Among these methods are invisible inks, microdots, digital signatures, covert channels and spread-spectrum communications. Today, thanks to moder ....etc

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Online Art Gallery
Development tool: ASP.NET
Database : MS SQL SERVER/MYSQL
Online Art Gallery is an Online application, which is used to display and sell art works of artist irrespective of their nationality, gender and other narrow consideration, through auction. Artist can register online for being a member in the art gallery and each artist can upload the digital copy of their art work under the respective categories. They can host their art work either for auction or for fixed price. The arti ....etc

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Ascii Art Generator ....etc

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EMERGENCE OF PAYMENT SYSTEMS IN THE AGE OF ELECTRONIC COMMERCE: THE STATE OF ART

presented by:
Singh Sumanjeet1 University of Delhi, India
ABSTRACT
The emergence of e-commerce has created new financial needs that in many cases cannot be effectively fulfilled by the traditional payment systems. Recognizing this, virtually all interested parties are exploring various types of electronic payment system and issues surrounding electronic payment system and digital currency. Broadly electronic payment systems ....etc

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