Multichannel Systems NeuroExplorer - Manual (Page 112)

Z = 1 - pow(alpha, 1/(w*L - 1))
where
pow(x,y) returns x to the power of y,
alpha = 1 - Confidence_Level*0.01,
L is the number of overlapped windows
w is the correction due to the Hanning window tapering (see eq. (5) and (6) in Kattla and Lowery
(2010)).
Reference
Kattla S, Lowery MM. Fatigue related changes in electromyographic coherence between synergistic
hand muscles. Exp Brain Res. 2010 Apr;202(1):89-99. Epub 2009 Dec 12. .
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