-------------------------------------------------------------------------------
-- --
-- Experiment Source Code --
-- Delta NMR Experiment & Machine Control Interface --
-- --
-- Copyright (c) 2000 JEOL Ltd --
-- All Rights Reserved --
-- --
-------------------------------------------------------------------------------
-- HELP.eng: spin echo
-- Category: solids, spin echo, solids relaxation
header
filename => "BABA-TQ_3D";
sample_id => "";
comment => "BABA-TQ_2D";
process = "1d_solid.list";
include "header_solid";
end header;
instrument
include "instrument_solid";
end instrument;
acquisition
x_domain => "Proton";
x_offset => 7[ppm];
x_sweep => 100[kHz];
x_points => 2048;
scans => 60;
x_prescans => 6;
mod_return => 1;
y_domain = x_domain;
y_offset = x_offset * 3;
y_sweep => 70[kHz];
y_dwell =? 1 / y_sweep;
y_points => 16;
z_domain = x_domain;
z_offset = x_offset * 2;
z_sweep => 35[kHz];
z_dwell =? 1 / z_sweep;
z_points => 16;
x_acq_time =? x_points / x_sweep;
x_resolution =? 1 / x_acq_time;
x_dwell =? 1 / x_sweep;
y_acq_time =? y_points / y_sweep;
y_resolution =? 1 / y_acq_time;
end acquisition;
pulse
collect COMPLEX,OBS COMPLEX COMPLEX;
macro baba_exc( number_baba, obs_width_baba, obs_phs_exc, obs_amp_pulse, obs_atn, tau_baba ) is
loop number_baba times
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 180, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 180, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 270, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 270, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 180, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 180, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 270, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 90, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 90, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 90, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 90, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 270, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 90, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 90, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 90, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 270, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 180, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 180, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 270, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 270, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 180, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 180, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 270, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_exc + 90, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
end loop;
end baba_exc;
macro baba_rec( number_baba, obs_width_baba, obs_phs_rec, obs_amp_pulse, obs_atn, tau_baba ) is
loop number_baba times
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 90, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 270, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 180, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 180, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 270, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 270, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 180, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 180, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 270, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 90, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 90, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 90, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 270, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 90, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 90, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 90, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 90, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 270, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 180, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 180, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 270, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 270, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 180, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
tau_baba;
obs_width_baba, (OBS.GATE, OBS.PHS.obs_phs_rec + 180, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
end loop;
end baba_rec;
macro obs_rdrfdr( number_rd_rfdr_m, relaxation_delay_rfdr, number_rd_rfdr, tau_rdrfdr, obs_width_rd_rfdr, obs_phs_rd_rfdr, obs_amp_rd_rfdr, obs_atn ) is
loop number_rd_rfdr_m times
relaxation_delay_rfdr;
loop number_rd_rfdr times
tau_rdrfdr;
obs_width_rd_rfdr, (OBS.GATE, OBS.PHS.obs_phs_rd_rfdr + 0, OBS.AMP.obs_amp_rd_rfdr, OBS.ATN.obs_atn);
tau_rdrfdr;
tau_rdrfdr;
obs_width_rd_rfdr, (OBS.GATE, OBS.PHS.obs_phs_rd_rfdr + 90, OBS.AMP.obs_amp_rd_rfdr, OBS.ATN.obs_atn);
tau_rdrfdr;
tau_rdrfdr;
obs_width_rd_rfdr, (OBS.GATE, OBS.PHS.obs_phs_rd_rfdr + 0, OBS.AMP.obs_amp_rd_rfdr, OBS.ATN.obs_atn);
tau_rdrfdr;
tau_rdrfdr;
obs_width_rd_rfdr, (OBS.GATE, OBS.PHS.obs_phs_rd_rfdr + 90, OBS.AMP.obs_amp_rd_rfdr, OBS.ATN.obs_atn);
tau_rdrfdr;
tau_rdrfdr;
obs_width_rd_rfdr, (OBS.GATE, OBS.PHS.obs_phs_rd_rfdr + 90, OBS.AMP.obs_amp_rd_rfdr, OBS.ATN.obs_atn);
tau_rdrfdr;
tau_rdrfdr;
obs_width_rd_rfdr, (OBS.GATE, OBS.PHS.obs_phs_rd_rfdr + 180, OBS.AMP.obs_amp_rd_rfdr, OBS.ATN.obs_atn);
tau_rdrfdr;
tau_rdrfdr;
obs_width_rd_rfdr, (OBS.GATE, OBS.PHS.obs_phs_rd_rfdr + 90, OBS.AMP.obs_amp_rd_rfdr, OBS.ATN.obs_atn);
tau_rdrfdr;
tau_rdrfdr;
obs_width_rd_rfdr, (OBS.GATE, OBS.PHS.obs_phs_rd_rfdr + 180, OBS.AMP.obs_amp_rd_rfdr, OBS.ATN.obs_atn);
tau_rdrfdr;
tau_rdrfdr;
obs_width_rd_rfdr, (OBS.GATE, OBS.PHS.obs_phs_rd_rfdr + 180, OBS.AMP.obs_amp_rd_rfdr, OBS.ATN.obs_atn);
tau_rdrfdr;
tau_rdrfdr;
obs_width_rd_rfdr, (OBS.GATE, OBS.PHS.obs_phs_rd_rfdr + 270, OBS.AMP.obs_amp_rd_rfdr, OBS.ATN.obs_atn);
tau_rdrfdr;
tau_rdrfdr;
obs_width_rd_rfdr, (OBS.GATE, OBS.PHS.obs_phs_rd_rfdr + 180, OBS.AMP.obs_amp_rd_rfdr, OBS.ATN.obs_atn);
tau_rdrfdr;
tau_rdrfdr;
obs_width_rd_rfdr, (OBS.GATE, OBS.PHS.obs_phs_rd_rfdr + 270, OBS.AMP.obs_amp_rd_rfdr, OBS.ATN.obs_atn);
tau_rdrfdr;
tau_rdrfdr;
obs_width_rd_rfdr, (OBS.GATE, OBS.PHS.obs_phs_rd_rfdr + 270, OBS.AMP.obs_amp_rd_rfdr, OBS.ATN.obs_atn);
tau_rdrfdr;
tau_rdrfdr;
obs_width_rd_rfdr, (OBS.GATE, OBS.PHS.obs_phs_rd_rfdr + 0, OBS.AMP.obs_amp_rd_rfdr, OBS.ATN.obs_atn);
tau_rdrfdr;
tau_rdrfdr;
obs_width_rd_rfdr, (OBS.GATE, OBS.PHS.obs_phs_rd_rfdr + 270, OBS.AMP.obs_amp_rd_rfdr, OBS.ATN.obs_atn);
tau_rdrfdr;
tau_rdrfdr;
obs_width_rd_rfdr, (OBS.GATE, OBS.PHS.obs_phs_rd_rfdr + 0, OBS.AMP.obs_amp_rd_rfdr, OBS.ATN.obs_atn);
tau_rdrfdr;
end loop;
end loop;
relaxation_delay_rfdr;
end obs_rdrfdr;
macro acq( dead_time, delay, phase ) is
dead_time, OBS.PHS.0;
delay, (OBS.PHS.0, RCV.GATE);
acquire (OBS.PHS.0, RCV.PHS.phase);
end acq;
experiment = "BABA-TQ-DQ-SQ";
initial_wait = 10[ms];
pulse_setup =? "-----------Setup hard pulses---------------";
obs_width_90 => 1.1[us], help "90deg pulse width";
obs_width_2q => 1.6[us], help "90deg pulse width";
obs_amp_pulse => 100[%];
irr_domain = x_domain;
irr_offset = x_offset;
baba_setup =? "-----------Setup BABA ------------------";
obs_width_baba => 0.65[us], help "90deg pulse width";
number_baba => 1, help "number of baba cycle";
spinning_freq => 70[kHz], help "spinning frequency";
tau_baba = 1 / spinning_freq / 2 - obs_width_baba * 2;
baba_duration =? 8 * (1 / spinning_freq) * number_baba;
obs_width_baba2 => 0.65[us], help "90deg pulse width";
number_baba2 => 1, help "number of baba cycle";
tau_baba2 = 1 / spinning_freq / 2 - obs_width_baba2 * 2;
baba_duration2 =? 8 * (1 / spinning_freq) * number_baba2;
z_filter => 1[ms];
misc_setup =? "----------Setup Miscellaneous ------------";
relaxation_delay => 1.2[s], help "inter-pulse delay";
repetition_time =? relaxation_delay + x_acq_time, help "relaxation_delay+x_acq_time";
obs_rdrfdr_setup =? "--------Setup obs rdrfdr------------------";
rd_rfdr => FALSE;
when rd_rfdr do
obs_width_rd_rfdr => x90 * 2;
obs_amp_rd_rfdr => 100[%], 0[%]->100[%] : 0.01[%], help "set ampliper for x pulse";
number_rd_rfdr => 1;
number_rd_rfdr_m => 1;
tau_rdrfdr = (1 / spinning_freq - obs_width_rd_rfdr) / 2;
end when;
relaxation_delay_rfdr = relaxation_delay / (number_rd_rfdr_m + 1);
obs_phs_rd_rfdr = {0};
obs_atn => 7[dB], help "attenuator for x pulse";
obs_phs_exc = {0..300 : 60, 30..330 : 60, 0..300 : 60, 30..330 : 60}.ystep(60 % 2);
obs_phs_2q = ({{4(0), 2(0), 4(36), 2(36), 4(72), 2(72), 4(108), 2(108), 4(144), 2(144), 4(180), 2(180), 4(216), 2(216), 4(252), 2(252), 4(288), 2(288), 4(324), 2(324)}, {4(0), 2(0), 4(36), 2(36), 4(72), 2(72), 4(108), 2(108), 4(144), 2(144), 4(180), 2(180), 4(216), 2(216), 4(252), 2(252), 4(288), 2(288), 4(324), 2(324)}, {4(18), 2(18), 4(54), 2(54), 4(90), 2(90), 4(126), 2(126), 4(162), 2(162), 4(198), 2(198), 4(234), 2(234), 4(270), 2(270), 4(306), 2(306), 4(342), 2(342)}, {4(18), 2(18), 4(54), 2(54), 4(90), 2(90), 4(126), 2(126), 4(162), 2(162), 4(198), 2(198), 4(234), 2(234), 4(270), 2(270), 4(306), 2(306), 4(342), 2(342)}}).zstep(36 % 2);
obs_phs_rec = {128(0), 32(0), 16(0), 4(0), 128(90), 32(90), 16(90), 4(90), 128(180), 32(180), 16(180), 4(180), 128(270), 32(270), 16(270), 4(270)};
obs_phs_restore = {32(0), 16(0), 8(0), 4(0), 32(120), 16(120), 8(120), 4(120), 32(240), 16(240), 8(240), 4(240)};
obs_phs_acq = ({2(0, 180), 0, 2(180), 2(0, 180), 2(0), 2(180, 0), 2(180), 2(0, 180), 2(0), 2(180, 0), 2(180), 2(0, 180), 2(0), 2(180, 0), 2(180), 2(0, 180), 2(0), 2(180, 0), 2(180), 2(0, 180), 0, 2(120, 300), 120, 2(300), 2(120, 300), 2(120), 2(300, 120), 2(300), 2(120, 300), 2(120), 2(300, 120), 2(300), 2(120, 300), 2(120), 2(300, 120), 2(300), 2(120, 300), 2(120), 2(300, 120), 2(300), 2(120, 300), 120, 2(240, 60), 240, 2(60), 2(240, 60), 2(240), 2(60, 240), 2(60), 2(240, 60), 2(240), 2(60, 240), 2(60), 2(240, 60), 2(240), 2(60, 240), 2(60), 2(240, 60), 2(240), 2(60, 240), 2(60), 2(240, 60), 240, 2(180, 0), 180, 2(0), 2(180, 0), 2(180), 2(0, 180), 2(0), 2(180, 0), 2(180), 2(0, 180), 2(0), 2(180, 0), 2(180), 2(0, 180), 2(0), 2(180, 0), 2(180), 2(0, 180), 2(0), 2(180, 0), 180, 2(300, 120), 300, 2(120), 2(300, 120), 2(300), 2(120, 300), 2(120), 2(300, 120), 2(300), 2(120, 300), 2(120), 2(300, 120), 2(300), 2(120, 300), 2(120), 2(300, 120), 2(300), 2(120, 300), 2(120), 2(300, 120), 300, 2(60, 240), 60, 2(240), 2(60, 240), 2(60), 2(240, 60), 2(240), 2(60, 240), 2(60), 2(240, 60), 2(240), 2(60, 240), 2(60), 2(240, 60), 2(240), 2(60, 240), 2(60), 2(240, 60), 2(240), 2(60, 240), 60}).ystep(180 % 2).zstep(180 % 2);
mas_frequency = mas_spin_get;
dead_time = if not auto_dwell
then 0.5 / x_sweep
else 0[us];
delay = if not auto_dwell
then 0.5 / x_sweep
else 0[us];
module_config = "solid_sample";
begin
initial_wait;
when rd_rfdr do
obs_rdrfdr( number_rd_rfdr_m, relaxation_delay_rfdr, number_rd_rfdr, tau_rdrfdr, obs_width_rd_rfdr, obs_phs_rd_rfdr, obs_amp_rd_rfdr, obs_atn );
end when;
when not rd_rfdr do
relaxation_delay;
end when;
obs_width_90, (OBS.GATE, OBS.PHS.obs_phs_exc, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
baba_exc( number_baba, obs_width_baba, obs_phs_exc, obs_amp_pulse, obs_atn, tau_baba );
0[us] ystep 1 / y_sweep;
obs_width_2q, (OBS.GATE, OBS.PHS.obs_phs_2q, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
1 / spinning_freq - obs_width_2q zstep 1 / z_sweep;
baba_rec( number_baba2, obs_width_baba2, obs_phs_rec, obs_amp_pulse, obs_atn, tau_baba2 );
z_filter;
obs_width_90, (OBS.GATE, OBS.PHS.obs_phs_restore, OBS.AMP.obs_amp_pulse, OBS.ATN.obs_atn);
acq( dead_time, delay, obs_phs_acq );
end pulse;