kopia lustrzana https://github.com/NanoVNA-Saver/nanovna-saver
65 wiersze
2.1 KiB
Python
65 wiersze
2.1 KiB
Python
# NanoVNASaver
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#
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# A python program to view and export Touchstone data from a NanoVNA
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# Copyright (C) 2020 NanoVNA-Saver Authors
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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'''
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Created on May 30th 2020
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@author: mauro
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'''
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import logging
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from PyQt5 import QtWidgets
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from NanoVNASaver.Analysis.VSWRAnalysis import VSWRAnalysis
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logger = logging.getLogger(__name__)
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class MagLoopAnalysis(VSWRAnalysis):
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'''
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Find min vswr and change sweep to zoom.
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Useful for tuning magloop.
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'''
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max_dips_shown = 1
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vswr_limit_value = 2.56
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bandwith = 250000
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def runAnalysis(self):
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super().runAnalysis()
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if len(self.minimums) > 1:
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self.layout.addRow("", QtWidgets.QLabel(
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"Not magloop or try to lower VSWR limit"))
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for m in self.minimums[:1]:
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# only one time
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start, lowest, end = m
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if start != end:
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Q = self.app.data11[lowest].freq / \
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(self.app.data11[end].freq - self.app.data11[start].freq)
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self.layout.addRow(
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"Q", QtWidgets.QLabel("{}".format(int(Q))))
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self.app.sweep_control.set_start(self.app.data11[start].freq)
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self.app.sweep_control.set_end(self.app.data11[end].freq)
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else:
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self.app.sweep_control.set_start(
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self.app.data11[start].freq - self.bandwith)
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self.app.sweep_control.set_end(
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self.app.data11[end].freq + self.bandwith)
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