active pixel sensor (APS)

An active pixel sensor (APS) is an image sensor consisting of an integrated circuit containing an array of pixels, each containing a photodetector as well as three or more transistors. Since it can be produced by an ordinary CMOS process, APS is emerging as an inexpensive alternative to CCDs.

Architecture
Pixel: The standard CMOS APS pixel consists of three transistors as well as a photodetector.
The photodetector is usually a photodiode, though photogate detectors ar ....etc

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1. INTRODUCTION
As more and more attention is paid to the ocean, the requirement of exploration and exploitation to it grows increasingly. In order to realize some tasks in the ocean such as collection of the information, monitoring of the environment, exploration of energy sources, forecast of natural disaster, assistant navigation, underwater communication technique has become a very important scientific research field. Because acoustic wave is adopted to actualize communication in the water instead of electromagne ....etc

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please send me some information regarding these two tpoics ....etc

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Presented by
AKHILESH.S




Introduction

3D audio system developed by William.G.Gardner.

Sound cards, multimedia speakers, video
games etc.. Are marketed as having 3D capability.

A new technology called Acoustic Environment modeling has emerged which combines basic 3D technology to simulate natural acoustic scenes.

3D AUDIO SYSTEM

A 3D audio system has the ability to position sounds all around a listener.

Here the sound is created by headphones, but th ....etc

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Online Aps Module This application helps the students to take their aptitude test online.Different modules are student registration, taking up the test, viewing the test results, viewing the answers for the questions after the completion of tests. ....etc

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urgent neede seminar on Acoustic parking system ....etc

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BackGround
A CDMA (Code Division Multiple Access) based communication system allows the users to share an available frequency spectrum. The users are allocated different codes that are recognizable for the preferred receivers. This solution has several advantages, among other it gives increased robustness to interference. The CDMA project will investigate the benefits and losses of using CDMA communication system on an acoustic channel between two computers. The focus of the project will be to study how a higher data rate will affect ....etc

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send me with pdf and ppt ....etc

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Abstract:
Auto Phase Selector (APS) system is used to ensure continuous supply to load in case mains supply is not healthy. This unit is very useful at the sites at which mains supply is irregular. It may be sometimes very high or sometimes very low voltage. The frequent failures/fluctuations of power affects life of power plant and battery. The objective of the APS is to ensure that there is continued commercial power supplied to the site at all times so as to ensure that the Base Transceiver Station (BTS) runs on commercial power unti ....etc

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