ECE220 - Lab2

# ECE220 - Lab2 - hold off-4-3-2-1 1 2 3 4-1-0.5 0.5 1 1.5 2...

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ECE 220 - Lab 2 9/1/10 IV. PULSE SIGNALS t = -4:0.001:4; tau = 1; p_tau = (t >= -tau/2) & (t p1_tau = (2*t >= -tau/2) & (2*t p2_tau = (0.5*t >= -tau/2) & (0.5*t p3_tau = (2*t >= (-2*tau/2)-2) & (2*t s = p1_tau + p2_tau + p3_tau; hold on plot (t, s); xlabel( 't -->' ) ylabel( 's3(t) -->' ) title( 'The function s3(t)' ) grid on axis([-4 4 -1 2])

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Unformatted text preview: hold off-4-3-2-1 1 2 3 4-1-0.5 0.5 1 1.5 2 t --> p τ (t) --> The function p τ (t), τ = 1 VI. How does the period of a signal change due to nonlinear processing f1t = cos(2*pi*250*t); f2t = cos(2*pi*500*t); ft = f1t.*f2t; ft = f1t^2; ft = abs(f1t); for t >= -tau/2 && t < 0{ f1t = 1; } for t >= 0 && t < tau/2{ f1t = -1; } plot (t,f1t);...
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## This note was uploaded on 01/28/2012 for the course ECE 220 taught by Professor Nilson during the Fall '08 term at N.C. State.

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ECE220 - Lab2 - hold off-4-3-2-1 1 2 3 4-1-0.5 0.5 1 1.5 2...

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