From cedc4708cf73151c6b887198b14851c6adf8fc86 Mon Sep 17 00:00:00 2001
From: andreas128 <Andreas>
Date: Wed, 23 Aug 2017 14:19:38 +0200
Subject: Add coefficient nomalization

---
 dpd/src/Model.py | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'dpd/src/Model.py')

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))
 
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