5.1 Digital Processing of Continuous-Time Signals Digital processing of a continuous-time signal involves the following basic steps: (1)Conversion of the continuous-time signal into a discrete-time signal, (2)Processing of the discrete-time signal, (3)Conversion of the processed discrete- time signal back into a continuous-time signal§5.1 Digital Processing of Continuous-Time Signals • Digital processing of a continuous-time signal involves the following basic steps: (1) Conversion of the continuous-time signal into a discrete-time signal, (2) Processing of the discrete-time signal, (3) Conversion of the processed discrete￾time signal back into a continuous-time signal