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Radar: A Silent Eye In The Sky

Beginning of essay

Today's society relies heavily on an invention taken for granted: radar. Just about everybody uses radar, whether they realize it or not. Tens of thousands of lives rely on the precision and speed of radar to guide their plane through the skies unscathed. Others just use it when they turn on the ....

Middle of essay

.... echo, but where the echo comes from, what direction the object is moving, its speed, and its distance. There are two types of modern radar: continuous wave radar, and pulse radar. Pulse radar works like an echo. The transmitter sends out short bursts of radio waves. It then shuts off, and the receiver listens for the echoes. Echoes from pulse radar can tell the distance and direction of the object creating the echo. This is the most common form of radar, and it is the one that is used the....
Number of words: 948 Approximate pages: 4

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