The Fourier Transform
The Fourier Pair
1D Fourier Transform
2D Extension
Definitions
Full k Space Coverage
Only Centre of k Space
Only Edges of k Space
How to Picture k Space
Gradient-Echo Sequence
Gradient-Echo EPI Sequence
Interleaved EPI
Fast Spin Echo
Options that Alter how k Space is Filled
Zero Filling
Nyquist Theorem
Nyquist Aliasing
No Phase Wrap
k Space Symmetry
Phase Correcting Images
Partial k Space Acquisitions
Fractional NEX
Minimum TE
Field of View and Resolution
Rectangular Field of View
Slice Selection
2D Multi Slice Imaging
3D Imaging
PPT Slide
Email: peterj@fmrib.ox.ac.uk
Home Page: http://www.fmrib.ox.ac.uk
Other information: FMRIB Centre, University of Oxford, John Radcliffe Hospital, Headington, Oxford, OX3 9DU, ENGLAND