# Bi-7Q-digitizedphase140.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
# nested phase cycling with digitized phase for receiver

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   I1z
  detect_operator  I1c
  verbose          1101
  variable rf      90000
  variable rf3     9300
  variable p2      4
  variable p3      2
  variable NA      14
  variable NC      10
  variable deltapA 7
  variable deltapC 1
}

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

  acq -y
  for {set i 1} {$i < $par(np)} {incr i} {
    pulse $par(tsw) $par(rf)  $par(phA)
    store 2
    pulse $par(p2)  $par(rf)  $par(phB)
    pulse $par(p3)  $par(rf3) $par(phC)
    acq                 [expr $par(phREC) - 90]
    reset
    prop 2
  }
}

proc main {} {
  global par

  set par(phB)   0

  for {set jC 0} {$jC < $par(NC)} {incr jC} {
    set par(phC)   [expr $jC*360./$par(NC)]

    for {set jA 0} {$jA < $par(NA)} {incr jA} {
      set par(phA)   [expr $jA*360./$par(NA)]
      set par(phREC) [expr $par(deltapA)*$par(phA) + $par(deltapC)*$par(phC)]

      set g [fsimpson]
      if [info exists f] {
        fadd $f $g
        funload $g
      } else {
        set f $g
      }
    }
  }

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

#SIMP
#NP=17
#SW=4000000
#TYPE=FID
#DATA
#0 0
#-8.12006018e-12 5.72875081e-14
#-2.66441313e-11 -6.42152997e-13
#-1.66546983e-07 3.57101015e-11
#-1.0271479e-05 4.71498751e-09
#-0.000187055191 9.36478219e-08
#-0.00166694257 8.03967461e-07
#-0.00934973765 3.97847836e-06
#-0.0383235196 1.32989379e-05
#-0.124828186 3.36721553e-05
#-0.336393412 7.1127308e-05
#-0.766014141 0.000136461413
#-1.50177413 0.000253936997
#-2.58981004 0.000471849932
#-4.01914543 0.000864263067
#-5.73449143 0.00151076006
#-7.65903325 0.00245689604
#END