From 6b87faa60db186a7a7742a2397f49117e624562f Mon Sep 17 00:00:00 2001
From: su530201 <olivier.kaufmann@umons.ac.be>
Date: Sat, 22 Apr 2023 16:58:15 +0200
Subject: [PATCH] Fixes a bug in vab_square_wave
---
measure.py | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/measure.py b/measure.py
index 3ec42d48..10b82402 100644
--- a/measure.py
+++ b/measure.py
@@ -153,7 +153,7 @@ class OhmPiHardware:
def vab_square_wave(self, vab, length, sampling_rate, cycles=3, polarity=1):
self.tx.polarity = polarity
- self._vab_pulses(vab, [length]*cycles, sampling_rate)
+ self._vab_pulses(vab, [length]*2*cycles, sampling_rate)
def _vab_pulse(self, vab, length, sampling_rate=None, polarity=None, append=False):
""" Gets VMN and IAB from a single voltage pulse
@@ -183,5 +183,6 @@ class OhmPiHardware:
else:
polarities = [-self.tx.polarity * np.heaviside(i % 2, -1.) for i in range(n_pulses)]
self._clear_values()
+ print(f'Polarities: {polarities}') # TODO: delete me
for i in range(n_pulses):
self._vab_pulse(self, length=lengths[i], sampling_rate=sampling_rate, polarity=polarities[i], append=True)
\ No newline at end of file
--
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