finalv3_s05

# finalv3_s05 - GEORGIA INSTITUTE OF TECHNOLOGY SCHOOL of...

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PROBLEM Spring-05-F.1: In each case, make a sketch of the plot that MATLAB will produce. Label your sketches carefully. Hint: Convert the MATLAB code to an equivalent mathematical function or operation to make the sketch. (a) ww = -pi:pi/200:pi; [HH,ww] = freekz([7,-7], [1,0.9], ww); plot(ww, abs(HH)) (b) tt = 1e-12 + (-100:100); %-avoid divide by zero ht = sin(pi * tt/25)./tt/10; plot(tt, ht) (c) xn = [1,zeros(1,4)]; yn = filter([1,1], [1,-0.9], xn); stem(0:4,yn)
PROBLEM Spring-05-F.2: In each of the following cases, determine the (inverse or forward) Fourier transform. The following Fourier

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finalv3_s05 - GEORGIA INSTITUTE OF TECHNOLOGY SCHOOL of...

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