Signals and Systems - Engineering
Q1: Magnitude Plot of a Composite signal x(t) = e2jt + e3jt isA half wave rectified sinusoidal
B full wave rectified sinusoidal
C exponentially increasing sinusoidal
D exponentially decreasing sinusoidal
ANS:B - full wave rectified sinusoidal
x(t) = e2jt
⇒ x(t) = 2ej2.5t cos(0.5t)
The magnitude |x(t)| = 2 cos |0.5t| which is a full rectified wave.
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⇒ x(t) = 2ej2.5t cos(0.5t)
The magnitude |x(t)| = 2 cos |0.5t| which is a full rectified wave.