STEP RESPONSE OF DIGITAL FILTERS WITH TWO’S COMPLEMENT ARITHMETIC
In Chapter 5 we presented nonlinear behaviors exhibited in the autonomous response of both lowpass and highpass digital filters associated with two’s complement arithmetic. However, in practice various types of input signals are usually applied. As a result, we need to analyze forced input systems in addition to autonomous systems.
In this chapter we look at nonlinear behaviors exhibited in the step response of bandpass digital filters. It is well-known that, in general, the method of affine transformation cannot relate the step response behaviors and autonomous response behaviors in a straightforward and simplistic manner if the system is nonlinear. We show how the step response ...
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