Active pixel sensor

An active-pixel sensor (APS), also commonly written active pixel sensor, is an image sensor consisting of an integrated circuit containing an array of pixel sensors, each pixel containing a photodetector and an active amplifier. There are many types of active pixel sensors including the CMOS APS used most commonly in cell phone cameras, web cameras and in some DSLRs. Such an image sensor is produced by a CMOS process (and is hence also known as a CMOS sensor), and has emerged as an alternative to charge-coupled device (CC ....etc

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minnuvathu ellam ponnalla patriya katturai manavarkalluku ....etc

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A forest is a large area of woody vegetation. Hundreds of more precise definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing and ecological function. According to the widely used United Nations Food and Agriculture Organization definition, forests covered four billion hectares (15 million square miles) or approximately 30 percent of the world's land area in 2006.

Forests are the dominant terrestrial ecosystem of Earth, and are distributed across the globe Forest ....etc

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GEOMETRIC APPROACH TO IMPROVING ACTIVE PACKET LOSS MEASUREMENT

Abstract: Measurement and estimation of packet loss characteristics are challenging due to the relatively rare occurrence and typically short duration of packet loss episodes. While active probe tools are commonly used to measure packet loss on end-to-end paths, there has been little analysis of the accuracy of these tools or their impact on the network. The objective of our study is to understand how to measure packet loss episodes accurately with end-to-end probes. We begin by ....etc

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Radioactive pollution, like any other kind of pollution, is the release of something unwantedinto the environment and, in this case, the unwanted thing is radioactive material. Radioactivepollution can be a very dangerous thing because radiation mutates DNA, causing abnormalgrowth and possibly cancer, and this radiation remains in the atmosphere for years, slowlydiminishing over time. There are many causes of radioactive pollution, which can signi cantlyharm the environment. There are techniques used to manage this pollution, however, we are f ....etc

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ABSTRACT

Adaptive active phased array radars are seen as the vehicle to address the current requirements for true multifunction radars systems. Their ability to adapt to the enviournment and schedule their tasks in real time allows them to operate with performance levels well above those that can be achieved from the conventional radars. Their ability to make effective use of all the available RF power and to minimize RF losses also makes them a good candidate for future very long range radars.

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Today s youth is tomorrow s nation. And today s youth are our students. Students do pay a vital role in the society and how a society is shaped generation after generations. The formative period of an individual is during the student phase and hence it is known to be the crucial time of life. What is being sown today is what shall be reaped later.

Role of Students
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Image Courtesy : wesleylamarwp-content/uploads/2013/0Students.jpg
Education is where a student gets formed from. Education is in-fact character building ....etc

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One of the biggest problems facing the world today is pollution of the environment, more and more with each passing year and cause serious and irreparable damage to the Earth. pollution of the environment consists of five main types of pollution, namely, air, water, soil, noise and light.

Air pollution is by far the most dangerous form of pollution in our environment. Air pollution is caused by harmful smoke emitted by cars, buses, trucks, trains and factories, namely sulphur dioxide, nitrogen oxides and carbon monoxide. Even the smoke of bu ....etc

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