Teaching TN TRB EE Test Series Signals and Systems Discrete Time Signals and Systems Characteristic of Signals
The period of the given signal is:
\(x\left( n \right) = \sin \left( {\frac{{2\pi }}{5}n} \right) + 3\cos \left( {\frac{{2\pi }}{7}n} \right) + \cos \left( {\frac{{4\pi\;}}{{22}}n + \frac{\pi }{2}} \right)\)1
11
2
125
3
385
4
Signal in aperiodic