Explainers
Vibration, explained visually
The full versions of my LinkedIn posts: interactive simulations, the maths, and downloadable code and data.
All explainers
Diagnostics
Why looseness makes harmonics
Clip a sine wave and watch 2X, 3X and half-orders appear.
Signal processingWhat an FFT actually sees
Build a signal from sine waves, add noise, and watch the spectrum pick it apart.
Time–frequency
Wavelets for engineers
When the FFT's assumption of a steady signal breaks down.
Coming soon