Reference no: EM132608360

Question 1: Sketch the following functions:

(a) ∏(t/5)

(b) ∏(t-1/5) Is this a time-delayed version of ∏(t/5)?

(c) ∏(t/5 -1) Is this a time-delayed version of ∏(t/5)?

(d) ∏(t-1)

(e) ∏(2t-1) Is this a time-delayed version of ∏(t-1)?

(f) ∏(2(t-1)) Is this a time-delayed version of ∏(t-1)?

Question 2: Find the energy and power of the following signal and classify them as energy or power signals.

z(t) = 20∏(t-10/5)cos(50Πt)

Question 3: A function generator produces the periodic waveform shown below:

(a) Find the dc value, power, energy, and rms value of y (t).
(b) Is y (t) a power or an energy signal? Why?

Question 4: Express the following signals in terms of ∏ ( ) and ^( ).

Question 5: Consider the waveform shown below:

(a) Find the power of w (t ).
(b) Find the complex exponential Fourier series coefficients for w (t).
(c) Using MATLAB, plot the magnitude and phase spectra of w (t).