Difference between revisions of "Sp acquire.m"
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The last parameter should be increased until convergence is achieved in the output. | The last parameter should be increased until convergence is achieved in the output. | ||
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==Arguments== | ==Arguments== | ||
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ach evolution function | ach evolution function | ||
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==See also== | ==See also== | ||
[[acquire.m]], [[hp_acquire.m]], [[rapidscan.m]], [[Built-in_experiments#General_experiments|General experiments]] | [[acquire.m]], [[hp_acquire.m]], [[rapidscan.m]], [[Built-in_experiments#General_experiments|General experiments]] | ||
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| + | ''Version 1.8, authors: [[Ilya Kuprov]]'' | ||
Revision as of 17:26, 5 June 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, Hz
parameters.pulse_phi - phase of the soft pulse, rad
parameters.pulse_pwr - power of the soft pulse, Hz
parameters.pulse_dur - duration of the sof pulse, s
parameters.pulse_rnk - Fokker-Planck cut-off rank
parameters.method - method to use during the call
to shaped_pulse_af()
The last parameter should be increased until convergence is achieved in the output.
Arguments
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
See also
acquire.m, hp_acquire.m, rapidscan.m, General experiments
Version 1.8, authors: Ilya Kuprov
