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Communication what is modulation in communication

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  • rameshrai Jun 08, 2012

    modulation means to impress message signal(human voice for example) onto carrier signal(900MHz for example in GSM), AM modulation is the simplest modulation. you can see the link below how AM modulation is done with real voice input signal recorded with windows recorderhttp://blog.ektel.com.np/2012/06/amplitu...

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To modulate the signal just means to systematically vary one of the three parameters of the signal: amplitude, frequency or phase. Therefore, the type of modulation may be categorized as either AM: amplitude modulation FM: frequency modulation or PM: phase modulation

Posted on Dec 17, 2008

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