test_loopback.seq

# Pulseq sequence file
# Created by MATLAB mr toolbox
# RF raster time: 1 us
# Sequence: gradient, pi/2 with acquisition, gradient, pi/2 with acquisition

[VERSION]
major 1
minor 3
revision 0

[DEFINITIONS]
Test 2

# Format of blocks:
#  D RF  GX  GY  GZ ADC EXT
[BLOCKS]
1  0  0   2   2   2  0  0
2  0  1   0   0   0  1  0
3  0  0   4   4   4  0  0
4  0  2   0   0   0  1  0

# Format of RF events:
# id amplitude mag_id phase_id delay freq phase
# ..        Hz   ....     ....    us   Hz   rad
[RF]
1         1 6 2 0 0 0 # 10 steps
2         1 4 2 0 0 0 # trapezoid
3       0.5 5 2 0 0 0 # 10 steps

# Format of ADC events:
# id num dwell delay freq phase
# ..  ..    ns    us   Hz   rad
[ADC]
1 300 497 0 0 0 # second ramp starts at t=196
# 1 150 994 0 0 0 # second ramp s
# 1 75 2002 0 0 0

# id amp shape_id delay
[GRADIENTS]
1 5 1 0 # normal shape
3 -5 3 0 # normal shape

# id amp rise flat fall delay
[TRAP]
2 5 50 100 150 0
4 5 70 50 180 0

# Format of delays:
# id delay (us)
[DELAYS]
1 10
2 100
3 20

# Sequence Shapes
[SHAPES]

shape_id 1
num_samples 100
1
0
0
97

shape_id 2
num_samples 100
0
0
98

shape_id 3
num_samples 100
1
-0.2
0
0
46
-0.5
0
0
47

shape_id 4
num_samples 100
0
0.04
0.04
18
0
0
58
-0.04
-0.04
17

shape_id 5
num_samples 100
0
0.03
0.03
17
0.2
0.2
18
0.5
0
0
17
0.94
-0.2
-0.2
17
-0.06
-0.06
18

shape_id 6
num_samples 100
0.09
0
0
7
0.09
0
0
7
0.09
0
0
7
0.09
0
0
7
0.09
0
0
7
0.09
0
0
7
0.09
0
0
7
0.09
0
0
7
0.09
0
0
7
0.09
0
0
7