8.6ADDITIONAL METHODS OF APPROXIMATING CONTINUOUS-TIME SYSTEM MODELS
Several additional methods for simulating the dynamics of continuous-time systems are presented in this section. Explanations of each are followed by the application of the methods to a linear continuous-time system to produce the z-domain transfer function, difference equations, and frequency response functions of the resulting discrete-time systems.
8.6.1Sampling and Signal Reconstruction
A special case of this method was introduced briefly in Exercise 4.74. A discrete-time system to approximate an LTI continuous-time system can be synthesized by sampling the continuous-time input and then reconstituting the input using a reconstruction process. The reconstructed signal is ...
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