# Bi-7Q-fil140.in

# spin-9/2 anti echo and echo amplitude optimization
# versus the first-pulse duration
# in three-pulse amplitude-modulated z-filter 7QMAS,
# the second-pulse duration p2 = 4 micro seconds
# the third-pulse duration p3 = 2 micro seconds

spinsys {
  channels 209Bi
  nuclei   209Bi
  quadrupole 1 2 3e6 0 0 0 0
}

par {
  spin_rate        5000
  variable tsw     0.25
  sw               1.0e6/tsw
  np               17
  crystal_file     rep10
  gamma_angles     10
  proton_frequency 800e6
  start_operator   140*I1z
  detect_operator  I1c
  verbose          1101
  variable rf      90000
  variable rf3     9300
  variable p2      4 
  variable p3      2 
}

proc pulseq {} {
  global par
  maxdt $par(tsw)

  matrix set 1 coherence {-7 7}
  matrix set 2 coherence {0}

  acq -y        
  for {set i 1} {$i < $par(np)} {incr i} {
    pulse $par(tsw) $par(rf) x
    store 2
    filter 1
    pulse $par(p2)  $par(rf) x
    filter 2
    pulse $par(p3) $par(rf3) x
    acq -y
    reset
    prop 2
  }
}

proc main {} {
  global par

  fsave [fsimpson] $par(name).fid
  puts "Larmor frequency (Hz) of 209Bi: "
  puts [resfreq 209Bi $par(proton_frequency)]
}

#SIMP
#NP=17
#SW=4000000
#TYPE=FID
#DATA
#0 0
#1.33401291e-13 -3.46700792e-16
#-7.56408111e-12 -7.35648774e-13
#-1.66513432e-07 3.55972223e-11
#-1.02714262e-05 4.71486009e-09
#-0.000187055112 9.36476823e-08
#-0.00166694246 8.03967324e-07
#-0.00934973749 3.97847823e-06
#-0.0383235194 1.32989378e-05
#-0.124828186 3.36721552e-05
#-0.336393411 7.11273079e-05
#-0.766014141 0.000136461413
#-1.50177413 0.000253936997
#-2.58981004 0.000471849932
#-4.01914543 0.000864263068
#-5.73449143 0.00151076006
#-7.65903325 0.00245689604
#END