Measurements for Water: Meten aan water filters

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Transcript of Measurements for Water: Meten aan water filters

  • 1. Measurements forwaterRolf HutMeten aan water: filters

2. Meten aan Water Filters Rolf HutDelftUniversity ofTechnologyChallenge the futureFriday, November 18, 2011 3. Filters g (t) =f ( ) h (t ) d G (i) = F (i) H (i)1,0tt0h (t) =0,elseSignalen 2Friday, November 18, 2011 4. FiltersSignalen 3Friday, November 18, 2011 5. Filters: ideal low passSignalen 4Friday, November 18, 2011 6. Filters: ideal low passSignalen 4Friday, November 18, 2011 7. Filters: ideal low passSignalen 4Friday, November 18, 2011 8. Filters: ideal low passSignalen 4Friday, November 18, 2011 9. Filters: ideal low passSignalen 4Friday, November 18, 2011 10. Filters ideal low pass Signalen 5Friday, November 18, 2011 11. Fourier transformatieDifferentiated g (t) = f (t) G (i) = iF (i)dtRC network, Low pass filter! 1H (i) = 1 + RCi Signalen 6Friday, November 18, 2011 12. Filter = Systeemmass spring systemd2 y (t) dy (t)m = x (t) ky (t) bdt2 dt kn =m1b H (i) =2= ii2 kmn + 2 n + 1Signalen 7Friday, November 18, 2011 13. Filter = Systeem x (t) h (t)y (t) X (i)H (i) Y (i)inputLTI Systeem output y (t) =x ( ) h (t ) d Y (i) =X (i) H (i) Signalen 8Friday, November 18, 2011