Spendosy.m

Ultrafast DOSY pulse sequence.

Syntax

    fid=spendosy(spin_system,parameters,H,R,K,G,F)

Parameters

    parameters.dims           size of the sample in m

    parameters.npts           number of spin packets

    parameters.spins          nuclei on which the sequence runs

    parameters.deltat         timestep for acquisition

    parameters.npoints        number of acquired points for each
                              gradient readout

    parameters.nloops         number of loop, where each loop consists of
                              a positive and a negative readout

    parameters.offset         offset

    parameters.cond           bondary conditions

    parameters.Ga             acquisition gradient in T/m

    parameters.pulsenpoints   number of points in the pulse shape

    parameters.smfactor       smoothing factor for the pulse

    parameters.Te             duration of the pulse

    parameters.Tau            duration extra dephasing gradient

    parameters.BW             bandwidth of the pulse

    parameters.Ge             encoding gradient in T/m

    parameters.chirptype      can be 'wurst' or 'smoothed'

    parameters.td             diffusion delay, at least
                              parameters.Tau+parameters.Te

    H                         Fokker-Planck Hamiltonian

    R                         Fokker-Planck relaxation superoperator

    K                         Fokker-Planck kinetics superoperator

    G                         Fokker-Planck gradient superoperators

    F                         Fokker-Planck diffusion and flow superoperator

Outputs

    fid - free induction decay

Notes

The last five parameters are built automatically by the imaging context function.

See also

idosyzs.m, dosy_oneshot.m, psycosy.m, psyche.m, spencosy.m, spendosycosy.m, st_ideal.m, ufmq.m, Built-in_experiments

Version 1.9, authors: Jean-Nicolas Dumez, Ilya Kuprov, Ludmilla Guduff