1 files changed, 66 insertions, 0 deletions
diff --git a/dpd/src/Model.py b/dpd/src/Model.py
new file mode 100644
index 0000000..9ad7532
--- /dev/null
+++ b/dpd/src/Model.py
@@ -0,0 +1,66 @@
+# -*- coding: utf-8 -*-
+
+import numpy as np
+import datetime
+import logging
+import matplotlib.pyplot as plt
+
+class Model:
+    """Calculates new coefficients using the measurement and the old
+    coefficients"""
+
+    def __init__(self, coefs):
+        self.coefs = coefs
+
+    def get_next_coefs(self, txframe_aligned, rxframe_aligned):
+        if logging.getLogger().getEffectiveLevel() == logging.DEBUG:
+            logging.debug("txframe: min %f, max %f, median %f" %
+                          (np.min(np.abs(txframe_aligned)),
+                           np.max(np.abs(txframe_aligned)),
+                           np.median(np.abs(txframe_aligned))
+                           ))
+
+            logging.debug("rxframe: min %f, max %f, median %f" %
+                          (np.min(np.abs(rxframe_aligned)),
+                           np.max(np.abs(rxframe_aligned)),
+                           np.median(np.abs(rxframe_aligned))
+                           ))
+
+            tx_rx_frame_path = ('/tmp/tx_rx_sync_' +
+                            datetime.datetime.now().isoformat() +
+                            '.pdf')
+            plt.plot(np.real(rxframe_aligned[:1024]), label="rxframe")
+            plt.plot(np.real(txframe_aligned[:1024]), label="txframe")
+            plt.xlabel("Samples")
+            plt.ylabel("Real Part")
+            plt.legend()
+            plt.savefig(tx_rx_frame_path)
+            plt.clf()
+            logging.debug("Tx, Rx synchronized %s" % tx_rx_frame_path)
+
+        mse = np.mean(np.abs(np.square(txframe_aligned - rxframe_aligned)))
+        logging.debug("MSE: {}".format(mse))
+
+        return self.coefs
+
+# The MIT License (MIT)
+#
+# Copyright (c) 2017 Andreas Steger
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.