Pulse sequence drawing

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Introduction

NMRWiki can produce pulse sequence images from plain text by

Code

Here is the code that produced the image above

<pulse>
 anchors:       @a          @a1,b      @b1,c     @c1,d,d1         @e     @f     @g     @h    @j0,j,j1    @i--k        @l
 disp:         3@a           +5@b       +3@c       +3@d         +9@e   +9@f   +4@g   +4@h     +3@j     +3@i        +10@l
 time:    rlx   @a  t1         @b  t2     @c t3      @d  T1a      @e T1b @f T12 @g T12 @h d     @j     d @i--k   aq   @l
 rf H:        90@a                                                           180@g                       acq@k---------l
 rf 13C:                     90@b       90@c       90@d        180@e   90@f=p1               180@j     90@i=p1
 pfg  z:                  g1@a1      g2@b1     g3@c1 g4@d1                                 g5@j0  g6@j1
  
 delay T1b: show_at=13C label=\frac{\Delta-\kappa t_1}{2}
 delay T1a: show_at=13C label=\frac{\Delta+\kappa t_1}{2}
 delay t2: show_at=13C label=\tau_2
 delay t1: show_at=13C label=\tau_1
 delay t3: show_at=13C label=\tau_3
 delay T12: show_at=13C label=\frac{t_1}{2}
 delay rlx: hide=true
 delay d: label=\delta
 
 rfchan 13C: label=^{13}C
 rfchan H: label=^1H
 pfgchan z: label=Grad.\ z
 
 pulse p1: phase=phi1
 acq: phase=phi2 type=fid
 
 phase phi1: label=\phi_1 table=0,2
 phase phi2: label=\phi_2 table=1,3
 
 gradient g1: strength=70 label=g_1
 gradient g2: strength=-40 label=g_2
 gradient g3: strength=-20 label=g_3
 gradient g4: strength=-10 label=g_4
 gradient g5: strength=50,-30 label=g_5
 gradient g6: strength=-30,50 label=g_6
 
 </pulse>