QMRITools`
QMRITools`
FourierShifted
FourierShifted[kspace]
shifts the kspace half the kspace dimensions and then performs a FourierTransform on the kspace.
Examples
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In[1]:=1

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https://wolfram.com/xid/0fobsyv3hbq98485xyh33sz-f64i4q
Direct link to example