4) Sketch the following signals a) w(t) = u(t) — u(t − 1) where u(t) is the unit step function. b) p(t) = sin(2πt)w(t) c) ΣΩ p(t - 2n) S(tn) d) n=-∞ n=-x

Let x(t) is an input to a continuous time linear time system S and y(t) is the output. The input-output relation is given by, x(t)=e^ j3t longrightarrow y(t) = j * e ^ (j * 5t) x(t) = e ^ (- j * 3t) -> y(t) = - j * e ^ (- j * 5t) What is the output y(t) when the input x_{1}(t) = cos(5((3t)/5 - 2))

Which of the following mathematical expressions has the numerical value 2 for its solution? 2 a juc fu(t-1) 0 b foce- 0 d C juce-1) с 8(t-1)-8(t - 3) 0 u(t − 1) – u(t − 3) Ju(t – 1) 0