fix test_report() to work with preceding noise acquisitions (#310)

* ignore adc events prior to rf in test report

* add seq5 as another test sequence including preceding noise acquisition

---------

Co-authored-by: Patrick Schuenke <[email protected]>
Co-authored-by: Patrick Schuenke <[email protected]>

Author: ckolbPTB

src/pypulseq/Sequence/ext_test_report.py

@@ -31,6 +31,9 @@ def ext_test_report(self) -> str:
     k_traj_adc, _, t_excitation, _, t_adc = self.calculate_kspace()
     t_excitation = np.asarray(t_excitation)
 
+    # remove all ADC events that come before the first RF event (noise scans or alike)
+    t_adc = t_adc[t_adc > t_excitation[0]]
+
     k_abs_adc = np.sqrt(np.sum(np.square(k_traj_adc), axis=0))
     k_abs_echo, index_echo = np.min(k_abs_adc), np.argmin(k_abs_adc)
     t_echo = t_adc[index_echo]