kopia lustrzana https://github.com/NanoVNA-Saver/nanovna-saver
120 wiersze
4.4 KiB
Python
120 wiersze
4.4 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) 2019, 2020 Rune B. Broberg
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# Copyright (C) 2020,2021 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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import logging
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from typing import Callable, List, Tuple
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from PyQt5 import QtWidgets
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import numpy as np
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from NanoVNASaver.Analysis.Base import Analysis, QHLine
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from NanoVNASaver.Formatting import (
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format_frequency, format_gain, format_resistance, format_vswr)
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logger = logging.getLogger(__name__)
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class SimplePeakSearchAnalysis(Analysis):
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def __init__(self, app):
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super().__init__(app)
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self.label['peak_freq'] = QtWidgets.QLabel()
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self.label['peak_db'] = QtWidgets.QLabel()
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self.button = {
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'vswr': QtWidgets.QRadioButton("VSWR"),
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'resistance': QtWidgets.QRadioButton("Resistance"),
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'reactance': QtWidgets.QRadioButton("Reactance"),
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'gain': QtWidgets.QRadioButton("S21 Gain"),
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'peak_h': QtWidgets.QRadioButton("Highest value"),
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'peak_l': QtWidgets.QRadioButton("Lowest value"),
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'move_marker': QtWidgets.QCheckBox()
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}
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self.button['gain'].setChecked(True)
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self.button['peak_h'].setChecked(True)
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self.btn_group = {
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'data': QtWidgets.QButtonGroup(),
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'peak': QtWidgets.QButtonGroup(),
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}
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for btn in ('vswr', 'resistance', 'reactance', 'gain'):
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self.btn_group['data'].addButton(self.button[btn])
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self.btn_group['peak'].addButton(self.button['peak_h'])
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self.btn_group['peak'].addButton(self.button['peak_l'])
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layout = self.layout
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layout.addRow(self.label['titel'])
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layout.addRow(QHLine())
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layout.addRow(QtWidgets.QLabel("<b>Settings</b>"))
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layout.addRow("Data source", self.button['vswr'])
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layout.addRow("", self.button['resistance'])
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layout.addRow("", self.button['reactance'])
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layout.addRow("", self.button['gain'])
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layout.addRow(QHLine())
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layout.addRow("Peak type", self.button['peak_h'])
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layout.addRow("", self.button['peak_l'])
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layout.addRow(QHLine())
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layout.addRow("Move marker to peak", self.button['move_marker'])
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layout.addRow(QHLine())
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layout.addRow(self.label['result'])
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layout.addRow("Peak frequency:", self.label['peak_freq'])
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layout.addRow("Peak value:", self.label['peak_db'])
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self.set_titel('Simple peak search')
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def runAnalysis(self):
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if not self.app.data.s11:
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return
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s11 = self.app.data.s11
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data, fmt_fnc = self.data_and_format()
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if self.button['peak_l'].isChecked():
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idx_peak = np.argmin(data)
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else:
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self.button['peak_h'].setChecked(True)
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idx_peak = np.argmax(data)
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self.label['peak_freq'].setText(format_frequency(s11[idx_peak].freq))
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self.label['peak_db'].setText(fmt_fnc(data[idx_peak]))
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if self.button['move_marker'].isChecked() and self.app.markers:
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self.app.markers[0].setFrequency(f"{s11[idx_peak].freq}")
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def data_and_format(self) -> Tuple[List[float], Callable]:
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s11 = self.app.data.s11
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s21 = self.app.data.s21
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if not s21:
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self.button['gain'].setEnabled(False)
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if self.button['gain'].isChecked():
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self.button['vswr'].setChecked(True)
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else:
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self.button['gain'].setEnabled(True)
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if self.button['gain'].isChecked():
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return ([d.gain for d in s21], format_gain)
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if self.button['resistance'].isChecked():
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return ([d.impedance().real for d in s11], format_resistance)
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if self.button['reactance'].isChecked():
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return ([d.impedance().imag for d in s11], format_resistance)
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# default
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return ([d.vswr for d in s11], format_vswr)
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