GATE EC 2017 Set 2 — Question 33

NAT+1 / -0MediumMagnitude & Phase ResponseLTI SystemsSignals & SystemsEnergy & Power SignalsContinuous-Time Signals

Signals & Systems → Continuous-Time Signals → Energy & Power Signals

Last updated 5 September 2026

Question

|H(f)| = \begin{cases} 1 - \frac{|f|}{20}, & |f| \leq 20 \\ 0, & |f| > 20 \end{cases}

x(t) = 8 \cos(20\pi t + \pi/4) + 16 \sin(40\pi t + \pi/8) + 24 \cos(80\pi t + \pi/16)

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x(t) = 8 \cos(20\pi t + \pi/4) + 16 \sin(40\pi t + \pi/8) + 24 \cos(80\pi t + \pi/16)

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