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How Radio Works

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Category: Education | Views: 1097 | Added by: farrel | Date: 2015-02-17 | Comments (0)

 

Pulse Modulation - In PM, you simply turn the sine wave on and off. This is an easy way to send Morse code. PM is not that common, but one good example of it is the radio system that sends signals to radio-controlled clocks in the United States. One PM transmitter is able to cover the entire United States!

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Category: Education | Views: 947 | Added by: farrel | Date: 2015-02-17 | Comments (0)

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Is glass really a liquid?

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