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Digital Signal and Image Processing

  • Ravva Vamsi
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  • Paper Presentation on Digital Signal and Image Processing

    A signal is defined as any physical quantity that varies with time, space or any other independent variable or variables. It may be a function of one or more independent variables. The signal itself carries some kind of information available for observation.

    ANALOG SIGNALS: - The analog signals are continuous function of an independent                           variable such as time, space etc.

    DIGITAL SIGNALS:- A discrete signal is a function of a discrete independent variable, which is an integer. A digital signal is same as discrete signal except that the magnitude of the signal is quantized.

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