Question

Given the following signal f(t) = 2j-4sin (100t-40)-10 cos (60t + π-70) a) Plot the one-sided amplitude and phase spectra. [8Plot the two-sided amplitude and phase spectra.Calculate the power of the signal.Is the above signal periodic? If yes, find its period.

Given the following signal f(t) = 2j-4sin (100t-40)-10 cos (60t + π-70) a) Plot the one-sided amplitude and phase spectra. [8 Marks]
Plot the two-sided amplitude and phase spectra.
Calculate the power of the signal.
Is the above signal periodic? If yes, find its period.
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Answer #1

Gvetthe Simal Given 2. e. e. t e ts e -(100TH-130 -)(60 π t -70) (Go rlt -70)-) ( 100 -l30 ) t a e J ( 1°까-70) s e cu e 130 CO, 2) j Fo (60T1 pe 2 2 soTI 00 T -(o0 T Side moqnitude Spechiun F(w) 2 100 п-70+10 2 d) CT) Lt me Peo L O

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