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About signals and systems

Discussion in 'General Electronics Discussion' started by bhuvanesh, Aug 29, 2013.

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  1. bhuvanesh

    bhuvanesh

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    Aug 29, 2013
    i heard often about sinusoidal signals . But i dont know where it is used and how it is used . How its being used in practical application . Plz explain me basically
     
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    11,141
    2,540
    Nov 17, 2011
    One of the most well know sinusoidal signals is the AC mains in your appartment.

    Sine-signals are used almost everywhere to carry information. Even non-sinusoidal signal can be represented as a sum of sine functions, that's called Fourier transform.

    Apart from that, your question is much too general to give an exhausting answer.
     
  3. eman12

    eman12

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    0
    Aug 24, 2013
    Hi,

    A pure Sine wave is a SINGLE frequency signal (not harmonic), Hence is used in testing circuits/ home appliances and of cource in analyzing circuits. A sine signal has an equation hence for instance you can mathematically predict how it does act in say an FM/AM modulator! then when you designed the modulator you can inject it by sine waves and see if it gives you the desirable result in its output or not.
     
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