Difference between revisions of "Spin echo.m"

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{{DISPLAYTITLE:spin_echo.m}} __NOTOC__
 
{{DISPLAYTITLE:spin_echo.m}} __NOTOC__
Gradient echo pulse sequence.
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Spin echo pulse sequence; it must be called from the [[imaging.m]] context, which provides H,R,K,G, and F.
  
 
==Syntax==
 
==Syntax==
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     fid=spin_echo(spin_system,parameters,H,R,K,G,F)
 
     fid=spin_echo(spin_system,parameters,H,R,K,G,F)
  
==Description==
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==Parameters==
This sequence must be called from the [[imaging.m]] context, which would provide H,R,K,G, and F.
 
 
 
==Arguments==
 
  
 
       parameters.g_amp      - the amplitude of gradient T/m  
 
       parameters.g_amp      - the amplitude of gradient T/m  
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==See also==
 
==See also==
[[grad_echo.m]], [[epi_2d.m]], [[imaging.m]]
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[[grad_echo.m]], [[epi_2d.m]], [[imaging.m]], [[basic_1d_hard.m]], [[cpmg_dec.m]], [[epi_3d.m]], [[fse.m]], [[phase_enc_2d.m]], [[phase_enc_3d.m]], [[press_1d.m]], [[press_2d.m]], [[press_voxel_1d.m]], [[press_voxel_2d.m]], [[press_voxel_3d.m]], [[slice_select_1d.m]], [[spiral.m]], [[udd_dec.m]], [[uhrig_times.m]], [[Built-in_experiments]], [[Imaging_module]], [[Mri_sequence_list]]
  
 
''Version 2.1, authors: [[Ilya Kuprov]], [[Ahmed Allami]]''
 
''Version 2.1, authors: [[Ilya Kuprov]], [[Ahmed Allami]]''

Latest revision as of 19:41, 6 June 2026

Spin echo pulse sequence; it must be called from the imaging.m context, which provides H,R,K,G, and F.

Syntax

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

Parameters

     parameters.g_amp      - the amplitude of gradient T/m 

     parameters.g_step_dur - time step duration

     parameters.g_n_steps  - number of time steps

Outputs

     fid - the time domain echo signal

Examples

See spin_echo_1d.m file in examples/imaging directory

See also

grad_echo.m, epi_2d.m, imaging.m, basic_1d_hard.m, cpmg_dec.m, epi_3d.m, fse.m, phase_enc_2d.m, phase_enc_3d.m, press_1d.m, press_2d.m, press_voxel_1d.m, press_voxel_2d.m, press_voxel_3d.m, slice_select_1d.m, spiral.m, udd_dec.m, uhrig_times.m, Built-in_experiments, Imaging_module, Mri_sequence_list

Version 2.1, authors: Ilya Kuprov, Ahmed Allami