Difference between revisions of "Mqs refocus.m"
(Sync syntax/arguments/outputs with current Spinach source) |
(Restore pre-bulk-edit wiki content) |
||
| Line 1: | Line 1: | ||
{{DISPLAYTITLE:mqs_refocus.m}} __NOTOC__ | {{DISPLAYTITLE:mqs_refocus.m}} __NOTOC__ | ||
| − | |||
Multiple quantum correlation pulse sequence with refocusing. | Multiple quantum correlation pulse sequence with refocusing. | ||
==Syntax== | ==Syntax== | ||
| − | fid=mqs_refocus(spin_system,parameters,H,R,K) | + | fid=mqs_refocus(spin_system,parameters,H,R,K) |
==Arguments== | ==Arguments== | ||
| − | parameters.sweep [F1 F2] sweep widths (Hz) | + | parameters.sweep [F1 F2] sweep widths (Hz) |
| − | + | ||
parameters.npoints [F1 F2] numbers of fid points | parameters.npoints [F1 F2] numbers of fid points | ||
| − | + | ||
| − | parameters.spins {F1 F2} nuclei, in this case: | + | parameters.spins {F1 F2} nuclei, in this case: |
| − | {'1H','1H'} | + | {'1H','1H'} |
| − | + | ||
| − | parameters.angle flip angle for the final | + | parameters.angle flip angle for the final |
| − | pulse, radians | + | pulse, radians |
| − | + | ||
| − | parameters.mqorder coherence | + | parameters.mqorder coherence order to select, |
| − | + | an integer | |
| − | + | ||
| − | parameters.delay_1 | + | parameters.delay_1 |
| − | + | parameters.delay_2 mixing delays, seconds | |
| − | parameters.delay_2 | + | |
| − | |||
| − | |||
| − | |||
| − | |||
| − | |||
H - Hamiltonian superoperator, provided by the context function | H - Hamiltonian superoperator, provided by the context function | ||
| − | + | ||
R - relaxation superoperator, provided by the context function | R - relaxation superoperator, provided by the context function | ||
| − | + | ||
K - kinetics superoperator, provided by the context function | K - kinetics superoperator, provided by the context function | ||
==Outputs== | ==Outputs== | ||
| − | fid - 2D free induction decay for amplitude-mode processing | + | fid - 2D free induction decay for amplitude-mode processing |
==Examples== | ==Examples== | ||
| − | |||
A SQ/MQ correlation spectrum simulation for a six-spin system (examples/nmr_liquids/mqs_six_spin.m) appears below. | A SQ/MQ correlation spectrum simulation for a six-spin system (examples/nmr_liquids/mqs_six_spin.m) appears below. | ||
| Line 47: | Line 40: | ||
==See also== | ==See also== | ||
| − | |||
[[hsqc.m]], [[hmqc.m]], [[cosy.m]], [[tocsy.m]] | [[hsqc.m]], [[hmqc.m]], [[cosy.m]], [[tocsy.m]] | ||
''Version 2.3, authors: [[Maria Grazia Concilio]]'' | ''Version 2.3, authors: [[Maria Grazia Concilio]]'' | ||
Revision as of 15:49, 5 April 2026
Multiple quantum correlation pulse sequence with refocusing.
Syntax
fid=mqs_refocus(spin_system,parameters,H,R,K)
Arguments
parameters.sweep [F1 F2] sweep widths (Hz)
parameters.npoints [F1 F2] numbers of fid points
parameters.spins {F1 F2} nuclei, in this case:
{'1H','1H'}
parameters.angle flip angle for the final
pulse, radians
parameters.mqorder coherence order to select,
an integer
parameters.delay_1
parameters.delay_2 mixing delays, seconds
H - Hamiltonian superoperator, provided by the context function
R - relaxation superoperator, provided by the context function
K - kinetics superoperator, provided by the context function
Outputs
fid - 2D free induction decay for amplitude-mode processing
Examples
A SQ/MQ correlation spectrum simulation for a six-spin system (examples/nmr_liquids/mqs_six_spin.m) appears below.
See also
hsqc.m, hmqc.m, cosy.m, tocsy.m
Version 2.3, authors: Maria Grazia Concilio
