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1. Given the magnitude and phase spectra: V(V) 9 6 3 0 Phase (Rd) π π/2 0 -π/2 2. Given: 100 200 300 400 100 200 300 400
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1. Given the magnitude and phase spectra: V(V) 9 6 3 0 Phase (Rd) π π/2 0 -π/2 2. Given: 100 200 300 400 100 200 300 400
1. Given the magnitude and phase spectra: V(V) 9 6 3 0 Phase (Rd) π π/2 0 -π/2 2. Given: 100 200 300 400 100 200 300 400 a. Write the equation for v (t). b. Find the signal power in the DC term and the first harmonic. c. Plot the power spectrum in dBw. d. Find the total signal power. a. Plot the magnitude spectrum of v (t). b. Plot the phase spectrum of v (t). c. Plot the power spectrum in dBw. d. Determine the fundamental frequency. f (Hz) v (t) = 8+12cos (2x20t - n/4) + 6cos (2n40t - n/2) + 4 cos (2n60t +n/6) + 3cos (2n100t + n/2) + 2cos (2n120t - n/3) V e. Find the power in the 3rd harmonic in Watts. f. Find the power in the 4th harmonic in Watts. g. Find the total signal power in dBw. f (Hz)