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Determine whether or not the following signals are periodic. If periodic, specify its fundamental period.
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written 9.0 years ago by
teamques10
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A signal is said to be periodic signal if x(n) = x(n+N)
Where, N = Fundamental Period
i.e., if $f=\dfrac{k}{N}$ where, k & N both are integers
$X_1 (n) = \cos(0.5 \pi n + 0.3)$
Sol: Consider Standard equation $x(n) = A \cos( \omega n+ \theta)$
Comparing given signal we …
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