\sectionFourier Series
\subsection*Problem 9: Nyquist Rate A signal \(x(t) = \textsinc(100t) + \textsinc^2(50t)\). Find the Nyquist sampling rate. signals and systems problems and solutions pdf
\noindent\textbf15. Check: Input \(x(t-\tau)\) gives \(x(t-\tau)\cos t\), but for time-invariance we need \(x(t-\tau)\cos(t-\tau)\). signals and systems problems and solutions pdf
\section*Additional Problems (Brief Solutions) signals and systems problems and solutions pdf