# Bi-9Q-fil324.in # spin-9/2 anti echo and echo amplitude optimization # versus the first-pulse duration # in three-pulse amplitude-modulated z-filter 9QMAS, # 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 324*I1z detect_operator I1c verbose 1101 variable rf 90000 variable rf3 9300 variable p2 4 variable p3 2 } proc pulseq {} { global par maxdt $par(tsw) matrix set 1 coherence {-9 9} matrix set 2 coherence {0} acq -y for {set i 1} {$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 #-3.987088e-16 4.85129092e-18 #-2.27325109e-13 4.0547515e-17 #-2.00956791e-10 7.14326224e-14 #-2.27386533e-08 1.0136091e-11 #-8.20435305e-07 4.07647944e-10 #-1.41618395e-05 7.47178538e-09 #-0.000145355915 7.93130664e-08 #-0.00101100044 5.60967471e-07 #-0.005188293 2.8943393e-06 #-0.0208340545 1.16041627e-05 #-0.0683086372 3.78801184e-05 #-0.188813954 0.000104362219 #-0.451087566 0.000249608256 #-0.950172451 0.000529929972 #-1.7936738 0.00101627057 #-3.07616868 0.00178471535 #END