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What is modulation

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What is modulation

    • Posted by Sumit Kumar 8 years, 1 month ago

    CBSE > Class 12 > Physics
    • 1 answers

    Amar Kumar 8 years, 1 month ago

    Modulation:It is the process of superimposing the information contents of a modulating signal on a carrier signal (which is of high frequency) by varying the characteristic of carrier signal according to the modulating signal.  Modulation is a process in which the base band signal modifies another high-frequency signal called the carrier.

    We can modulate the information bearing signal into two types namely:-

    Analog modulation is the process of converting an analog input signal into a signal that is suitable for RF transmission.

    Digital modulation is the process of converting a digital bistream into an analog signal suitable for RF transmission.

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