-20 A signal s() is presented in Figure Q2(a). s(1) volt (1) 0 20 40 t(ms) Figure Q2(a) Write the complex exponential Fourier series of s(1) for up to fifth harmonics (n = 5). (ii) Illustrate the double sided spectrum for magnitude and phase of s(t) for up to fifth harmonics (n = 5). (iii) Determine the complex exponential Fourier series of v(t) = 3s(t)+2 for up to fifth harmonics (n = 5) using answer in Q2 (a)(i) for magnitude and

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Q2. (a) A signal s() is presented in Figure Q2(a).
s(1) volt
-20
(1)
0
20
40 t(ms)
Figure Q2(a)
Write the complex exponential Fourier series of s(1) for up to fifth harmonics
(n=5).
(ii) Illustrate the double sided spectrum for magnitude and phase of s(t) for up to
fifth harmonics (n = 5).
(iii) Determine the complex exponential Fourier series of v(t) = 3s(1)+2 for up to
fifth harmonics (n = 5) using answer in Q2 (a)(i)
(iv) Comment the difference that can be observed in spectrum for magnitude and
phase of v(1) compared to spectrum in Q2 (a)(ii)
Transcribed Image Text:Q2. (a) A signal s() is presented in Figure Q2(a). s(1) volt -20 (1) 0 20 40 t(ms) Figure Q2(a) Write the complex exponential Fourier series of s(1) for up to fifth harmonics (n=5). (ii) Illustrate the double sided spectrum for magnitude and phase of s(t) for up to fifth harmonics (n = 5). (iii) Determine the complex exponential Fourier series of v(t) = 3s(1)+2 for up to fifth harmonics (n = 5) using answer in Q2 (a)(i) (iv) Comment the difference that can be observed in spectrum for magnitude and phase of v(1) compared to spectrum in Q2 (a)(ii)
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