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hw12 - 29 H 4(10 Given 29 29 = 10 1 100 1 100 j j j H find...

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Assignment #12 ECSE-2410 Signals & Systems - Fall 2005 Fri 10/28/05 1(20). Sketch the straight-line Bode magnitude plot for the following frequency response functions. (a) ( 29 ( 29 + = 10 1 100 ϖ ϖ ϖ j j H (b) ( 29 + + = 1 . 0 1 100 1 100 ϖ ϖ ϖ j j H 2(50). Use MATLAB to plot the Bode magnitude diagrams for the frequency response functions shown. In each case, superimpose the straight-line approximation plot - by hand is fine - on your exact MATLAB magnitude plots to better understand the approximations involved. (a) ( 29 ( 29 + + = 100 1 10 1 10 ϖ ϖ ϖ ϖ j j j H (b) ( 29 ( 29 + + = 20 1 10 1 10 ϖ ϖ ϖ ϖ j j j H (c) ( 29 ( 29 2 10 1 100 + = ϖ ϖ ϖ j j H (d) ( 29 ( 29 2 2 1 10 1 100 ϖ ϖ ϖ j j H + + = (e) ( 29 ( 29 + +
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Unformatted text preview: ( 29 H . 4(10). Given ( 29 ( 29 + + = 10 1 100 1 100 j j j H , find the approximate frequency, c , at which dB H c ) ( = . Use the Bode magnitude approximation. 5(10). Given ( 29 ( 29 + = 10 1 j j K H , find the value of K (in dB) so that the straight-line magnitude plot crosses the zero dB axis at 50 = . Use the Bode magnitude approximation.-40 20-20 40 ) ( dB H 10 100 1000 C C...
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