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authorandreas128 <Andreas>2017-08-23 14:19:38 +0200
committerandreas128 <Andreas>2017-08-23 14:19:38 +0200
commitcedc4708cf73151c6b887198b14851c6adf8fc86 (patch)
tree1a74084ad14a2e89f468af4f919967c60207ff6e /dpd
parent559aec7d224afd86f1612f0c5177e508fae10665 (diff)
downloaddabmod-cedc4708cf73151c6b887198b14851c6adf8fc86.tar.gz
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Add coefficient nomalization
Diffstat (limited to 'dpd')
-rwxr-xr-xdpd/main.py3
-rw-r--r--dpd/src/Model.py4
2 files changed, 6 insertions, 1 deletions
diff --git a/dpd/main.py b/dpd/main.py
index 81e2588..4d2b93d 100755
--- a/dpd/main.py
+++ b/dpd/main.py
@@ -59,7 +59,8 @@ adapt = Adapt.Adapt(port_rc, coef_path)
coefs = adapt.get_coefs()
#model = Model.Model(coefs)
model = Model.Model([2.2, 0, 0, 0, 0])
-adapt.set_txgain(84)
+adapt.set_txgain(79)
+adapt.set_rxgain(15+20)
tx_gain = adapt.get_txgain()
rx_gain = adapt.get_rxgain()
diff --git a/dpd/src/Model.py b/dpd/src/Model.py
index aef112c..8df3925 100644
--- a/dpd/src/Model.py
+++ b/dpd/src/Model.py
@@ -23,6 +23,9 @@ class Model:
self.errs = [0,]
def get_next_coefs(self, txframe_aligned, rxframe_aligned):
+ dt = datetime.datetime.now().isoformat()
+ txframe_aligned.tofile(logging_path + "/txframe_" + dt + ".iq")
+ rxframe_aligned.tofile(logging_path + "/rxframe_" + dt + ".iq")
rx_abs = np.abs(rxframe_aligned)
rx_A = np.vstack([rx_abs,
rx_abs**3,
@@ -39,6 +42,7 @@ class Model:
a_delta = np.linalg.lstsq(rx_A, err)[0]
new_coefs = self.coefs - 0.1 * a_delta
+ new_coefs = new_coefs * (self.coefs[0] / new_coefs[0])
logging.debug("a_delta {}".format(a_delta))
logging.debug("new coefs {}".format(new_coefs))