Research Article

A High-Precision Fatigue Detecting Method for Air Traffic Controllers Based on Revised Fractal Dimension Feature

Table 2

Main properties of common wavelet bases.

Wavelet basisOrthogonalBiorthogonalCompact supportCWTDWTSymmetry

HarrYesYesYesYesYesYes
DaubechiesYesYesYesYesYesApproximate
BiorthgonalNoYesYesYesYesNo
CoifletsYesYesYesYesYesApproximate
SymletsYesYesYesYesYesApproximate
MorletNoNoNoYesNoYes
Mexican hatNoNoNoYesNoYes
Discrete MeyerYesYesNoYesYesYes