Plays in YouTube's player, loaded from youtube-nocookie.com when you press Play. Watch on YouTube

Learn · Experimental Modal Analysis

Lecture 19 of 46Week 4

Lecture 16 : Discrete Fourier Series (DFS)

Prof. Subodh V. Modak · IIT Delhi

Credits and licence

From
Experimental Modal Analysis, IIT Delhi (at NPTEL)
Licence
CC BY-NC-SA, as NPTEL states it. Non-commercial use only.
Attribution
NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge.
Who can watch
Tweens profiles and older. How courses are placed

All the lectures

  1. Lecture 1 : Introduction YouTube
  2. Lecture 2 : Lumped parameter models of Vibrating systems YouTube
  3. Lecture 3 : SDOF Undamped system YouTube
  4. Lecture 4 : SDOF system with Viscous damping YouTube
  5. Lecture 5 : SDOF system with Structural damping YouTube
  6. Solved Examples Session 1 YouTube
  7. Lecture 6 : Modal analysis of MDOF Undamped system (Free vibration) YouTube
  8. Lecture 7 : Modal analysis of MDOF Undamped system (Forced vibration) YouTube
  9. Lecture 8 : Modal analysis of MDOF system with Structural damping YouTube
  10. Lecture 9 : Modal analysis of MDOF system with Proportional Viscous damping YouTube
  11. Lecture 10 : Modal analysis of MDOF system with Non-proportional Viscous damping YouTube
  12. Solved Examples Session 2 YouTube
  13. Lecture 11 : IRF and Transient resposne YouTube
  14. Lecture 12 : FRF Characteristics of SDOF systems YouTube
  15. Lecture 13 : FRF Characteristics of MDOF systems YouTube
  16. Solved Examples Session 3 YouTube
  17. Lecture 14 : Fourier series expansion YouTube
  18. Lecture 15 : Fourier Transform YouTube
  19. Lecture 16 : Discrete Fourier Series (DFS) YouTube
  20. Lecture 17 : Discrete Fourier Transform (DFT), DTFT, FFT YouTube
  21. Solved Examples Session 4 YouTube
  22. Lecture 18 : Aliasing, Quantization YouTube
  23. Lecture 19 : Windowing, Leakage, Window functions YouTube
  24. Solved Examples Session 5 YouTube
  25. Lecture 20 : Principle of Experimental Modal Analysis (EMA) YouTube
  26. Lecture 21 : Excitation using an impact hammer YouTube
  27. Lecture 22 : Response measurement, piezoelectric accelerometer YouTube
  28. Solved Examples Session 6 YouTube
  29. Lecture 23 : FRF estimation, H1 and H2, Coherence function YouTube
  30. Lecture 24 : Test planning for FRF Measurement YouTube
  31. Lecture 25 : FRF Measurement with an Impact hammer YouTube
  32. Lecture 26 : Excitation using a Shaker YouTube
  33. Lecture 27 : FRF estimation with random excitation YouTube
  34. Lecture 28 : FRF measurement with ranodm excitation YouTube
  35. Lecture 29 : FRF measurement using Pseudo, Periodic and Burst random and sine chirp excitations YouTube
  36. Lecture 30 : Modal Parameter Estimation - 1 (Peak picking method) YouTube
  37. Lecture 31 : Modal Parameter Estimation - 2 (Circle fit, Line fit) YouTube
  38. Lecture 32 : Modal Parameter Estimation - 3 (RFP) YouTube
  39. Lecture 33 : Modal Parameter Estimation - 4 (ERA, Stabilisation diagram) YouTube
  40. Lecture 34 : Phase Resonance (Normal Mode) Testing, RMIF, MMIIF YouTube
  41. Lecture 35 : Operational Modal Analysis (OMA) YouTube
  42. Lecture 36 : Incomplete model, Response simulation, Force identification YouTube
  43. Lecture 37 : Structural modification YouTube
  44. Lecture 38 : FE Model Correlation, MAC, Model redutcion, Expansion YouTube
  45. Lecture 39 : FE Model Updating - 1 YouTube
  46. Lecture 40 : FE Model Updating - 2 YouTube