Find FTP of signal if it is periodic, (i) $x(t)=\sin 2 t+\cos 3 \pi t$ (ii) $\times(t)=\sin 2 \pi t+\cos \sqrt{2} \pi t$

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written 2.3 years ago by

prajapatijaimin • 3.3k

Solution:

$\begin{aligned} & \text { (i) } x(t)=\sin 2 t+\cos 3 \pi t \\\\ & \text { sol: } w_1=2, w_2=3 \pi \\\\ & \frac{w_1}{w_2}=\frac{2}{3 \pi} \quad \text { (Irrational) } \\\\ &\\ \end{aligned}\\$

Hence it is non-periodic

$ \begin{aligned} & \text { (ii) } x(t)=\sin 2 \pi …

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