hw4slns

hw4slns - figure hold on plot(omega,abs(H'k...

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Homework #4 Solutions (Total: 65 points) Also see discussion notes on 11/04/09 for a more in depth treatment of this problem. (10 points) (10 points)
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(5 points) (5 points)
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(5 points)
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(10 points)
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For the pole position plot, refer to fig 9.5.5. (5 points)
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(3+3+3+6 = 15 points)
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MATLAB code: omega = -pi:pi/500:pi; H = 1./(1-.875*exp(-j*omega)+.125*exp(-j*2*omega)); Htrunc = 1./((1-.625*exp(-j*omega)).*(1-.125*exp(-j*omega))); Hround = 1./((1-.75*exp(-j*omega)).*(1-.125*exp(-j*omega)));
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Unformatted text preview: figure; hold on plot(omega,abs(H), 'k' ); plot(omega,abs(Htrunc), 'r' ); plot(omega,abs(Hround), 'g' ); legend( 'Original' , 'Truncation' , 'Rounding' ); title( '9.33, Frequency Response' ); xlabel( 'Frequency' ); ylabel( 'Magnitude' ); -4-3-2-1 1 2 3 4 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 Frequency Magnitude 9.33, Frequency Response Original Truncation Rounding...
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This document was uploaded on 05/26/2010.

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hw4slns - figure hold on plot(omega,abs(H'k...

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