\"In the discrete case, stationary linear systems, or LE systems, are known as L
ID: 2266576 • Letter: #
Question
"In the discrete case, stationary linear systems, or LE systems, are known as Linear Invariant Displacement (LID) systems. With the increasing popularization of digital techniques for signal processing and process control, this class of systems has become extremely because it can be used to model a large number of practical systems (filters and digital controllers, for example) for the most diverse applications. " (GURJÃO, E. C .; VELOSO, L. R .; CARVALHO, J. M. Introduction to the analysis of signals and systems.
Such a system is characterized by
A.
by the number of mathematical operators applied to the input.
B.
for his response to a ramp.
C.
for its response to a sinusoid.
D.
for its impulse response.
E.
by its response to the unitary step.
Explanation / Answer
The basic characteristics of the system are;
Settling time
peak time
damping ratio
damping frequency....etc
These characterized by its response to the unitary step.
The correct option is E.
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