A continuous-time signal z(t) = 4,1sin(920nt)+2.5cos(486t) is impulse-train sampled with sampling function p(t) = E- 3(t – nT,) for T, = 1ns. What is the valur of the sarmpled signal r, (t) = r(t)p(t)...

Extracted text: A continuous-time signal z(t) = 4,1sin(920nt)+2.5cos(486t) is impulse-train sampled with sampling function p(t) = E- 3(t – nT,) for T, = 1ns. What is the valur of the sarmpled signal r, (t) = r(t)p(t) for t = 347.6 ms? Specify your answer to three decimal places.