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authorandreas128 <Andreas>2017-08-11 19:08:55 +0200
committerandreas128 <Andreas>2017-08-11 19:08:55 +0200
commitbc395ef1e3ec5ab3df17f6aa16b3ac0a39188a1e (patch)
tree209955d872753be486e17fa2c8562cc0b2c4c544
parentf0ee9fc26be33ee4dd5fe368deab7d44af306aa2 (diff)
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Fix correlation for complex signal
-rw-r--r--dpd/src/Dab_Util.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/dpd/src/Dab_Util.py b/dpd/src/Dab_Util.py
index 0da7343..aee66d2 100644
--- a/dpd/src/Dab_Util.py
+++ b/dpd/src/Dab_Util.py
@@ -27,7 +27,7 @@ class Dab_Util:
sig_rec: The signal that has been recored
"""
off = sig_rec.shape[0]
- c = signal.correlate(sig_orig, sig_rec)
+ c = np.abs(signal.correlate(sig_orig, sig_rec))
return np.argmax(c) - off + 1
def lag_upsampling(self, sig_orig, sig_rec, n_up):