Import exact trajectory

[SWeinmueller]

Diffusion of Phantom is 0
seq-file: t2_tse.txt

TSE with exact_trajectories=True:

TSE with exact_trajectories=False:

TSE using pulseq0 without import:

[SWeinmueller]

Explicitly setting z gradients to 0:

for ii in range(len(seq0)):
    seq0[ii].gradm[:,2] *= 0

TSE with exact_trajectories=True:

TSE with exact_trajectories=False:

[SWeinmueller]

Same results can be achieved by using
graph = mr0.compute_graph(seq, data, 20000, 1e-8)
signal = mr0.execute_graph(graph, seq, data, 1e-8, 1e-8)

10e-6 still gives an artefact.

Very high accurcy necessary. Why?

[mzaiss]

I bet the state selection fails outside first k-space.
also there is a strong FID signal that is not yet spoiled, so probably very high compared to dephased SE.

[J-Endres]

can you provide a short description what you have shown here / what is the problem?