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. 2013 Oct 1;14(Suppl 13):S4. doi: 10.1186/1471-2105-14-S13-S4

Table 1.

Reference Function Fourier Transform
Symmetric Triangle μ(x) = max(1 - d|x|,0), d > 0 Fμω=12πSin2ω2dω2d2

Gaussian μ(x)=e-dx2,d>0,d>0 Fμω=12de-ω4d2

Cauchy μ(x)=11+dx2,d>0 F[μ](ω)=π2de-|ω|d

Laplace μ(x) = e-d|x|, d > 0, d > 0 F[μ](ω)=2πdd2+ω2

Hyperbolic Secant μ(x)=2edx+e-dx,d>0 F[μ](ω)=1dπ22eπω2d+e-πω2d

Squared Sinc μ(x)=Sin2(dx)d2x2,d>0 F[μ](ω)=max(π21d-|ω|2d2,0)