Rework GUI and DPDCE

1 files changed, 56 insertions, 0 deletions

diff --git a/python/dpd/Heuristics.py b/python/dpd/Heuristics.py
new file mode 100644
index 0000000..21d400b
--- /dev/null
+++ b/python/dpd/Heuristics.py
@@ -0,0 +1,56 @@
+# -*- coding: utf-8 -*-
+#
+# DPD Computation Engine, heuristics we use to tune the parameters.
+#
+# http://www.opendigitalradio.org
+# Licence: The MIT License, see notice at the end of this file
+
+import numpy as np
+
+
+def get_learning_rate(idx_run):
+    """Gradually reduce learning rate from lr_max to lr_min within
+     idx_max steps, then keep the learning rate at lr_min"""
+    idx_max = 10.0
+    lr_min = 0.05
+    lr_max = 0.4
+    lr_delta = lr_max - lr_min
+    idx_run = min(idx_run, idx_max)
+    learning_rate = lr_max - lr_delta * idx_run / idx_max
+    return learning_rate
+
+
+def get_n_meas(idx_run):
+    """Gradually increase number of measurements used to extract
+    a statistic from n_meas_min to n_meas_max within idx_max steps,
+    then keep number of measurements at n_meas_max"""
+    idx_max = 10.0
+    n_meas_min = 10
+    n_meas_max = 20
+    n_meas_delta = n_meas_max - n_meas_min
+    idx_run = min(idx_run, idx_max)
+    learning_rate = n_meas_delta * idx_run / idx_max + n_meas_min
+    return int(np.round(learning_rate))
+
+# The MIT License (MIT)
+#
+# Copyright (c) 2017 Andreas Steger
+# Copyright (c) 2017 Matthias P. Braendli
+#
+# 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.