# Co-7Q-digitizedphase112.in

# spin-7/2 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 59Co
  nuclei   59Co
  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      8
  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 59Co: "
  puts [resfreq 59Co $par(proton_frequency)]
}

#SIMP
#NP=17
#SW=4000000
#TYPE=FID
#DATA
#0 0
#-1.12746479e-11 8.68194405e-14
#2.01226646e-10 -2.37587727e-14
#4.02578501e-08 -4.4802384e-11
#1.46613478e-06 -1.66977987e-09
#2.13437167e-05 -2.32481612e-08
#0.000167624629 -1.69249417e-07
#0.000834380951 -7.5843639e-07
#0.00290125395 -2.26277697e-06
#0.0074803355 -4.50385866e-06
#0.0147053333 -4.82347596e-06
#0.0216194252 4.07420091e-06
#0.0200425658 3.5184898e-05
#-0.00417590751 0.000106141011
#-0.0693104119 0.000236131865
#-0.193235197 0.000441835636
#-0.387698709 0.000733616513
#END