Difference between revisions of "Spendosy.m"

From Spinach Documentation Wiki
Jump to: navigation, search
(Created page with "Ultrafast DOSY pulse sequence. Syntax: fid=spendosy(spin_system,parameters,H,R,K,G,F) The following parameters are required parameters.dims size of ...")
 
(Update function See also links and function index membership)
 
(12 intermediate revisions by 2 users not shown)
Line 1: Line 1:
Ultrafast DOSY pulse sequence. Syntax:
+
{{DISPLAYTITLE:spendosy.m}} __NOTOC__
 +
Ultrafast DOSY pulse sequence.  
  
            fid=spendosy(spin_system,parameters,H,R,K,G,F)
+
==Syntax==
  
The following parameters are required
+
    fid=spendosy(spin_system,parameters,H,R,K,G,F)
  
parameters.dims          size of the sample in m
+
==Parameters==
  
  parameters.npts          number of spin packets
+
    parameters.dims          size of the sample in m
 
+
   
parameters.spins          nuclei on which the sequence runs
+
    parameters.npts          number of spin packets
 
+
parameters.deltat        timestep for acquisition
+
    parameters.spins          nuclei on which the sequence runs
 
+
parameters.npoints        number of acquired points for each  
+
    parameters.deltat        timestep for acquisition
                          gradient readout
+
 
+
    parameters.npoints        number of acquired points for each
parameters.nloops        number of loop, where each loop consists of  
+
    gradient readout
                          a positive and a negative readout
+
 
+
    parameters.nloops        number of loop, where each loop consists of
parameters.offset        offset  
+
    a positive and a negative readout
 
+
parameters.cond          bondary conditions  
+
    parameters.offset        offset
 
+
parameters.Ga            acquisition gradient in T/m
+
    parameters.cond          bondary conditions
 
+
parameters.pulsenpoints  number of points in the pulse shape
+
    parameters.Ga            acquisition gradient in T/m
 
+
parameters.smfactor      smoothing factor for the pulse
+
    parameters.pulsenpoints  number of points in the pulse shape
 
+
parameters.Te            duration of the pulse
+
    parameters.smfactor      smoothing factor for the pulse
 
+
parameters.Tau            duration extra dephasing gradient
+
    parameters.Te            duration of the pulse
 
+
parameters.BW            bandwidth of the pulse
+
    parameters.Tau            duration extra dephasing gradient
 
+
parameters.Ge            encoding gradient in T/m
+
    parameters.BW            bandwidth of the pulse
 
+
parameters.chirptype      can be 'wurst' or 'smoothed'
+
    parameters.Ge            encoding gradient in T/m
 +
 +
    parameters.chirptype      can be 'wurst' or 'smoothed'
 +
 +
    parameters.td            diffusion delay
 +
 +
    H                        Fokker-Planck Hamiltonian
 +
 +
    R                        Fokker-Planck relaxation superoperator
 +
 +
    K                        Fokker-Planck kinetics superoperator
 +
 +
    G                        Fokker-Planck gradient superoperators
 
   
 
   
parameters.td            diffusion delay
+
    F                         Fokker-Planck diffusion and flow superoperator
 
 
H                         Fokker-Planck Hamiltonian
 
 
 
R                        Fokker-Planck relaxation superoperator
 
  
K                        Fokker-Planck kinetics superoperator
+
==Outputs==
  
G                        Fokker-Planck gradient superoperators
+
    fid - free induction decay
  
F                        Fokker-Planck diffusion and flow superoperator
+
==See also==
 +
[[idosyzs.m]], [[dosy_oneshot.m]], [[psycosy.m]], [[psyche.m]], [[spencosy.m]], [[spendosycosy.m]], [[st_ideal.m]], [[ufmq.m]], [[Built-in_experiments]]
  
Note: the last five parameters are built automatically by the imaging context function.
+
''Version 1.9, authors: [[Jean-Nicolas Dumez]], [[Ilya Kuprov]], [[Ludmilla Guduff]]''

Latest revision as of 19:41, 6 June 2026

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

    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

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