deerlab.bg_sumstrexp¶

bg_sumstrexp = <deerlab.model.Model object>¶

Sum of two stretched exponentials background model

Parameters:

Returns:

Notes

Parameter Table

Name	Upper	Type	Frozen	Unit	Description
`decay1`	200	nonlin	No	μs⁻¹	Decay rate of 1st component
`stretch1`	6	nonlin	No		Stretch factor of 1st component
`weight1`	1	nonlin	No		Weight of the 1st component
`decay2`	200	nonlin	No	μs⁻¹	Decay rate of 2nd component
`stretch2`	6	nonlin	No		Stretch factor of 2nd component

Model

$B(t) = A_1\exp \left(-\kappa_1 \vert t \vert^{d_1}\right) + (1-A_1)\exp\left(-\kappa_2 \vert t \vert^{d_2}\right)$