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Problem 11.37 A system has a transfer function H(S)= 72 +85 +4 (a) (b) In a magnitude Bode diagram of its frequency response

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HIS)= 3 stas S785+4 H(S): 3. s(s+7) they s (it) - (a) The comer frequencies are , factor comer Frequency (1+) (1+ et ta on W;(6) Fachy comer Slope Change in slope reepoeng +20 dB/dec +20 dB/de odb/de. (i+1994 1993 157 = 2 (1+$) W, = 7. - 20de/dec +20

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