Table 1.
Model velocity formulae and their analytical Fourier energy spectra
| Model | Velocity | Fourier energy spectrum |
|---|---|---|
| Yarbus (1967) |
 |
 |
| Minimum acceleration |
 |
 |
| Minimum jerk |
 |
 |
| Minimum snap |
 |
 |
| Rectangular pulse |
 |
 |
Equations of velocity trajectories and their Fourier energy spectra for Yarbus, MSD, and rectangular pulse models. Trajectories are normalized for unit amplitude and unit duration with time origin at peak velocity.