Difference between revisions of "Sp acquire.m"
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{{DISPLAYTITLE:sp_acquire.m}} __NOTOC__ | {{DISPLAYTITLE:sp_acquire.m}} __NOTOC__ | ||
| + | Soft pulse followed by acquisition. The soft pulse is simulated using the Fokker-Planck formalism. | ||
| − | + | ==Syntax== | |
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fid=sp_acquire(spin_system,parameters,H,R,K) | fid=sp_acquire(spin_system,parameters,H,R,K) | ||
| − | Parameters | + | ==Parameters== |
| − | parameters.pulse_frq - frequency of the soft pulse, Hz | + | parameters.pulse_frq - frequency of the soft pulse, |
| + | relative to the frequency of | ||
| + | the current rotating frame, Hz | ||
parameters.pulse_phi - phase of the soft pulse, rad | parameters.pulse_phi - phase of the soft pulse, rad | ||
| − | parameters.pulse_pwr - power of the soft pulse, | + | parameters.pulse_pwr - power of the soft pulse, rad/s |
parameters.pulse_dur - duration of the sof pulse, s | parameters.pulse_dur - duration of the sof pulse, s | ||
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parameters.pulse_rnk - Fokker-Planck cut-off rank, | parameters.pulse_rnk - Fokker-Planck cut-off rank, | ||
a small integer: start with 2 | a small integer: start with 2 | ||
and increase until the answer | and increase until the answer | ||
stops changing | stops changing | ||
| − | + | ||
parameters.offset - transmitter / receiver offset | parameters.offset - transmitter / receiver offset | ||
for the time domain pulses and | for the time domain pulses and | ||
detection, relative to the cur- | detection, relative to the cur- | ||
rent rotating frame, Hz | rent rotating frame, Hz | ||
| − | + | ||
parameters.sweep - sweep width for time domain | parameters.sweep - sweep width for time domain | ||
detection, Hz | detection, Hz | ||
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parameters.npoints - number of points in the free | parameters.npoints - number of points in the free | ||
induction decay | induction decay | ||
| − | + | ||
parameters.rho0 - initial state | parameters.rho0 - initial state | ||
| − | + | ||
parameters.coil - detection state | parameters.coil - detection state | ||
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parameters.method - soft puse propagation method, | parameters.method - soft puse propagation method, | ||
'expv' for Krylov propagation, | 'expv' for Krylov propagation, | ||
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ach evolution function | ach evolution function | ||
| − | + | ==Outputs== | |
| + | |||
| + | fid - dynamics of the coil state as a function of time | ||
==See also== | ==See also== | ||
| − | [[acquire.m]], [[hp_acquire.m]], [[rapidscan.m]], [[Built-in_experiments | + | [[acquire.m]], [[hp_acquire.m]], [[rapidscan.m]], [[cpmg.m]], [[holeburn.m]], [[impound.m]], [[relaxan.m]], [[slowpass.m]], [[traject.m]], [[Built-in_experiments]] |
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| + | ''Version 1.8, authors: [[Ilya Kuprov]]'' | ||
Latest revision as of 08:39, 30 August 2026
Soft pulse followed by acquisition. The soft pulse is simulated using the Fokker-Planck formalism.
Syntax
fid=sp_acquire(spin_system,parameters,H,R,K)
Parameters
parameters.pulse_frq - frequency of the soft pulse,
relative to the frequency of
the current rotating frame, Hz
parameters.pulse_phi - phase of the soft pulse, rad
parameters.pulse_pwr - power of the soft pulse, rad/s
parameters.pulse_dur - duration of the sof pulse, s
parameters.pulse_rnk - Fokker-Planck cut-off rank,
a small integer: start with 2
and increase until the answer
stops changing
parameters.offset - transmitter / receiver offset
for the time domain pulses and
detection, relative to the cur-
rent rotating frame, Hz
parameters.sweep - sweep width for time domain
detection, Hz
parameters.npoints - number of points in the free
induction decay
parameters.rho0 - initial state
parameters.coil - detection state
parameters.method - soft puse propagation method,
'expv' for Krylov propagation,
'expm' for exponential propa-
gation, 'evolution' for Spin-
ach evolution function
Outputs
fid - dynamics of the coil state as a function of time
See also
acquire.m, hp_acquire.m, rapidscan.m, cpmg.m, holeburn.m, impound.m, relaxan.m, slowpass.m, traject.m, Built-in_experiments
Version 1.8, authors: Ilya Kuprov
