hw9soln - 1.5 075 -O.5 pm: 04 Gmd 0‘45 _ 0.5 -05 ' . .0...

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Unformatted text preview: 1.5 075 -O.5 pm: 04 Gmd 0‘45 _ 0.5 -05 ' . .0 0.05 0.1 0.15 - 0.2 0.25. 0.3 ' 0.35 0.4 0.45 0.5 8:, o. JSS’\ 5W laua%§_‘ -0.5 0.05 01 0.15 02 0‘25 ‘ 0 '- 0.05 '0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 __ 11/10/06 11:26 AM PW;an 9 Ga"; Page 1 _ poles = -011951 ~015556 .—O"8315 -On9808 —029308- —018315 #015556 — —o“1951 — |'+ + + +_ 00000000 1 Sampling Frequency '-3db Cutoff Frequency: “9808i “8315i 15556i “1951i "1951i "5556i "8315i “9808i MATLAB Command Window gem. Mm W A 11% 8000 2500 (fs): Prewarped Analog Cutoff fcwarp = 318llle+003 33:“ {+325— Convert Analog Poles to Digital 2: 2p: (2fs +.s)/(2fs - 3) Columns 1 through 6 -013242 + 0‘ "0946i .7677i -012164 - 0 -012529 + 015076i "2903i Columns 7 through 8 -0 2529 — 01 .5076i -013242 ~ 0176771 Numerator of Digital Filter _.————--——w l 8 28 56 70 .56 Denominator of Digital Filter _fl-________,__i___ at: Columns 1 through 5 1100000000000000 820460 -012164 + 0 2903i 28 8 1 --0 2008 + 010946i -012008 - 0 1 1098863701542596 2 66143630237732 2116418457366790 1 25842299 1 Columns 6 through 9 0149155072401244 0112920542807149 . 0(02013754325792 0100144242171252 0.8 06 0.4 02 Analog Poles _ 0.5 0‘8 06 0.4 02 Digital Poles + N Zeros at z=-1 Digital Filter Freq Resp Magnitude 0 500 1000 1500 2000 - 2500 3000 3500 4000 11/10/06 11:28 AM MATLAB Command Window WW 9:7 Page 1 I: 0-‘2100 #4:» W +av—m poles = -—O”0467 + On9749i —0 1309 + O 7818i ~0n1892 + Ou4339i -0u2100 + 0 0000i —0“1892 - 0v4339i —0h1309 — Ou7818i -0u0467 - 0u9749i Sampling Frequency (fs): 8000 -3db Cutoff_Frequency: 2000 Prewarped Analog Cutoff fcwarp 2 2HS465e+003 Convert Analog Poles to Digital 2 = (2fs + s)/(2fs - s) zp = Columns 1 through 6 0 0231 + 0u9529i 0&1966 + Ou8272i H5415i 0 1966 - Ou8272i Column 7 o 0231 ~ OH95291 Numerator of Digital Filter \__‘_fl‘_m__,_m.~_fi_~k U‘ H 1 7 21 35 35 21 Denominator of Digital Filter WWW‘wwM Columns 1 through 5 1n00000000000000 -2n06076950886057 282578 Columns 6 through 8 -2u08667137665200 0n89661134490428 0.6%”? #%—~ we «aw 3%auzlafjt’ TQ}V£&L4; 0u4842 + 0u5415i 0u6529 + 0 0000i 0 4842 — 0 w 3 52224656460464 -3i91981984259999 3 35549387 K —Ow22632729347430 Analog Poles 0.8 '06 04 0.2 Digital Poles + N Zeros at z=- 1 05 12 0.8 06 0.4 0.2 500' 1000 Digital Fiiterr Freq Resp Magnitude 1500 2000 2500 3000 ' 3500 4000 ...
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hw9soln - 1.5 075 -O.5 pm: 04 Gmd 0‘45 _ 0.5 -05 ' . .0...

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