Briefly explain and justify why discrete time signals are more important than continuous time signals.
Briefly explain and justify why discrete time signals are more important than continuous time
signals.
Concept-
Continuous time signals-
If a signal is specified over a continuum of independent variables, it is considered a continuous time signal.
The definition of a continuous signal is "a function of a continuous variable that has an unbounded or uncountable sequence of numbers within it."
Any moment in a continuous signal sequence can be represented and specified. The phrase "analog signal" also applies to continuous-time signals.
Discrete time signals-
If the independent variable has only discrete values, the signal is called discrete time.
A series of values that represent distinct points in time form a discrete-time signal. The corresponding signal values are the signal samples and the time instants at which the signal is defined are the signal sampling times.
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