Thursday, March 27, 2008


Simples things usually don't work in real life. Things in really life are complicated. That't true. That's why people invented FM.

FM stands for frequency modulation. In real situations due to noise, delay, and muli-path effect the amplitude of a signal are easy to be changed while the frequency of a signal is hard to be affected. In radio broadcast, most wildly used method is FM.

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