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Diffstat (limited to 'dpd/src/Heuristics.py')
| -rw-r--r-- | dpd/src/Heuristics.py | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/dpd/src/Heuristics.py b/dpd/src/Heuristics.py deleted file mode 100644 index 21d400b..0000000 --- a/dpd/src/Heuristics.py +++ /dev/null @@ -1,56 +0,0 @@ -# -*- 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. |