Webinars 6 & 7 – Leakage Error, Hanning Window, FFTs

Here are the materials.

PowerPoint Files:

webinar_6_Leakage_Hanning.ppt

webinar_7_FFT.ppt

* * *

Audio/Visual Files – Recommend viewing in Firefox with Sliverlight plugin

NESC Academy FFT

NESC Academy Leakage Hanning Window

* * *

Reference: Hanning Window Compenstation Factor

* * *

Matlab script: Vibrationdata Signal Analysis Package

* * *

Data

This file has two columns: time(sec) & accel(G)

panel.txt

Each of the following files has two columns: time(sec) & unscaled sound pressure

apache.zip

transformer.txt

Q400.txt

Hoover.zip

* * *

Audio Files

apache.wav

transformer.mp3

Hoover.mp3

* * *

Python PowerPoint Files

webinar_6_Leakage_Hanning.ppt

webinar_7_FFT_python.ppt

* * *

References

Fast Fourier Transform: The FFT transform is based on the butterfly algorithm: fft.pdf

Bombardier Q400 Turboprop Acoustics

Apache Helicopter Noise

Transformer Hum

See also:

Vibrationdata Webinars

Turbine Generator Sound & Vibration

Fun with Sound Files

* * *

– Tom Irvine

One thought on “Webinars 6 & 7 – Leakage Error, Hanning Window, FFTs

  1. Pingback: Webinar Index | Vibrationdata

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