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https://github.com/f4exb/sdrangel.git
synced 2025-04-04 02:28:33 -04:00
ATV Modulator: implemented FM excursion adjustment
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f4exb
parent
7e70b7f6c6
commit
0ea39c217c
@ -113,7 +113,8 @@ void ATVMod::configure(MessageQueue* messageQueue,
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bool cameraPlay,
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bool channelMute,
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bool invertedVideo,
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float rfScaling)
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float rfScaling,
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float fmExcursion)
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{
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Message* cmd = MsgConfigureATVMod::create(
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rfBandwidth,
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@ -129,7 +130,8 @@ void ATVMod::configure(MessageQueue* messageQueue,
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cameraPlay,
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channelMute,
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invertedVideo,
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rfScaling);
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rfScaling,
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fmExcursion);
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messageQueue->push(cmd);
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}
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@ -205,7 +207,7 @@ void ATVMod::modulateSample()
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switch (m_running.m_atvModulation)
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{
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case ATVModulationFM: // FM half bandwidth deviation
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m_modPhasor += (t - 0.5f) * M_PI;
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m_modPhasor += (t - 0.5f) * m_running.m_fmExcursion * 2.0f * M_PI;
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if (m_modPhasor > 2.0f * M_PI) m_modPhasor -= 2.0f * M_PI; // limit growth
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if (m_modPhasor < 2.0f * M_PI) m_modPhasor += 2.0f * M_PI; // limit growth
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m_modSample.real(cos(m_modPhasor) * m_running.m_rfScalingFactor); // -1 dB
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@ -538,6 +540,7 @@ bool ATVMod::handleMessage(const Message& cmd)
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m_config.m_channelMute = cfg.getChannelMute();
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m_config.m_invertedVideo = cfg.getInvertedVideo();
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m_config.m_rfScalingFactor = cfg.getRFScaling();
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m_config.m_fmExcursion = cfg.getFMExcursion();
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apply();
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@ -555,7 +558,8 @@ bool ATVMod::handleMessage(const Message& cmd)
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<< " m_cameraPlay: " << m_config.m_cameraPlay
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<< " m_channelMute: " << m_config.m_channelMute
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<< " m_invertedVideo: " << m_config.m_invertedVideo
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<< " m_rfScalingFactor: " << m_config.m_rfScalingFactor;
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<< " m_rfScalingFactor: " << m_config.m_rfScalingFactor
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<< " m_fmExcursion: " << m_config.m_fmExcursion;
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return true;
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}
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@ -730,6 +734,7 @@ void ATVMod::apply(bool force)
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m_running.m_channelMute = m_config.m_channelMute;
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m_running.m_invertedVideo = m_config.m_invertedVideo;
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m_running.m_rfScalingFactor = m_config.m_rfScalingFactor;
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m_running.m_fmExcursion = m_config.m_fmExcursion;
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}
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void ATVMod::getBaseValues(int linesPerSecond, int& sampleRateUnits, int& nbPointsPerRateUnit)
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@ -343,7 +343,8 @@ public:
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bool cameraPLay,
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bool channelMute,
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bool invertedVideo,
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float rfScaling);
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float rfScaling,
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float fmExcursion);
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virtual void pull(Sample& sample);
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virtual void pullAudio(int nbSamples); // this is used for video signal actually
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@ -387,6 +388,7 @@ private:
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bool getChannelMute() const { return m_channelMute; }
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bool getInvertedVideo() const { return m_invertedVideo; }
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float getRFScaling() const { return m_rfScaling; }
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float getFMExcursion() const { return m_fmExcursion; }
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static MsgConfigureATVMod* create(
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Real rfBandwidth,
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@ -402,7 +404,8 @@ private:
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bool cameraPlay,
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bool channelMute,
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bool invertedVideo,
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float rfScaling)
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float rfScaling,
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float fmExcursion)
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{
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return new MsgConfigureATVMod(
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rfBandwidth,
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@ -418,7 +421,8 @@ private:
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cameraPlay,
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channelMute,
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invertedVideo,
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rfScaling);
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rfScaling,
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fmExcursion);
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}
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private:
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@ -436,6 +440,7 @@ private:
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bool m_channelMute;
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bool m_invertedVideo;
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float m_rfScaling;
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float m_fmExcursion;
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MsgConfigureATVMod(
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Real rfBandwidth,
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@ -451,7 +456,8 @@ private:
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bool cameraPlay,
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bool channelMute,
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bool invertedVideo,
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float rfScaling) :
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float rfScaling,
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float fmExcursion) :
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Message(),
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m_rfBandwidth(rfBandwidth),
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m_rfOppBandwidth(rfOppBandwidth),
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@ -466,7 +472,8 @@ private:
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m_cameraPlay(cameraPlay),
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m_channelMute(channelMute),
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m_invertedVideo(invertedVideo),
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m_rfScaling(rfScaling)
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m_rfScaling(rfScaling),
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m_fmExcursion(fmExcursion)
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{ }
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};
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@ -516,6 +523,7 @@ private:
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bool m_channelMute; //!< Mute channel baseband output
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bool m_invertedVideo; //!< True if video signal is inverted before modulation
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float m_rfScalingFactor; //!< Scaling factor from +/-1 to +/-2^15
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float m_fmExcursion; //!< FM excursion factor relative to full bandwidth
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Config() :
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m_outputSampleRate(-1),
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@ -533,7 +541,8 @@ private:
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m_cameraPlay(false),
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m_channelMute(false),
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m_invertedVideo(false),
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m_rfScalingFactor(29204.0f) // -1dB
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m_rfScalingFactor(29204.0f), // -1dB
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m_fmExcursion(0.5f) // half bandwidth
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{ }
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};
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@ -101,6 +101,7 @@ QByteArray ATVModGUI::serialize() const
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s.writeS32(10, ui->nbLines->currentIndex());
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s.writeS32(11, ui->fps->currentIndex());
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s.writeS32(12, ui->rfScaling->value());
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s.writeS32(13, ui->fmExcursion->value());
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return s.final();
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}
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@ -153,6 +154,8 @@ bool ATVModGUI::deserialize(const QByteArray& data)
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ui->fps->setCurrentIndex(tmp);
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d.readS32(12, &tmp, 80);
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ui->rfScaling->setValue(tmp);
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d.readS32(13, &tmp, 50);
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ui->fmExcursion->setValue(tmp);
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blockApplySettings(false);
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m_channelMarker.blockSignals(false);
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@ -342,6 +345,12 @@ void ATVModGUI::on_rfScaling_valueChanged(int value)
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applySettings();
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}
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void ATVModGUI::on_fmExcursion_valueChanged(int value)
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{
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ui->fmExcursionText->setText(tr("%1").arg(value));
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applySettings();
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}
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void ATVModGUI::on_rfBW_valueChanged(int value)
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{
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ui->rfBWText->setText(QString("%1k").arg((value*m_rfSliderDivisor) / 1000.0, 0, 'f', 0));
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@ -578,6 +587,9 @@ ATVModGUI::ATVModGUI(PluginAPI* pluginAPI, DeviceSinkAPI *deviceAPI, QWidget* pa
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for (std::vector<int>::iterator it = cameraNumbers.begin(); it != cameraNumbers.end(); ++it) {
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ui->camSelect->addItem(tr("%1").arg(*it));
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}
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QChar delta = QChar(0x94, 0x03);
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ui->fmExcursionLabel->setText(delta);
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}
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ATVModGUI::~ATVModGUI()
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@ -623,7 +635,8 @@ void ATVModGUI::applySettings()
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ui->playCamera->isChecked(),
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ui->channelMute->isChecked(),
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ui->invertVideo->isChecked(),
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ui->rfScaling->value() * 327.68f);
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ui->rfScaling->value() * 327.68f,
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ui->fmExcursion->value() / 100.0f);
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}
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}
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@ -65,6 +65,7 @@ private slots:
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void on_channelMute_toggled(bool checked);
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void on_modulation_currentIndexChanged(int index);
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void on_rfScaling_valueChanged(int value);
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void on_fmExcursion_valueChanged(int value);
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void on_rfBW_valueChanged(int value);
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void on_rfOppBW_valueChanged(int value);
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void on_nbLines_currentIndexChanged(int index);
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@ -250,6 +250,64 @@
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</item>
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</widget>
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</item>
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<item>
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<widget class="QLabel" name="fmExcursionLabel">
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<property name="text">
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<string>D</string>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QDial" name="fmExcursion">
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<property name="maximumSize">
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<size>
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<width>24</width>
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<height>24</height>
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</size>
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</property>
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<property name="toolTip">
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<string>FM excursion in % of total bandwidth</string>
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</property>
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<property name="minimum">
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<number>0</number>
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</property>
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<property name="maximum">
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<number>100</number>
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</property>
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<property name="pageStep">
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<number>1</number>
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</property>
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<property name="value">
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<number>50</number>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QLabel" name="fmExcursionText">
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<property name="minimumSize">
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<size>
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<width>20</width>
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<height>0</height>
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</size>
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</property>
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<property name="toolTip">
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<string>FM deviation percentage of total bandwidth</string>
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</property>
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<property name="text">
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<string>50</string>
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</property>
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<property name="alignment">
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<set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
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</property>
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</widget>
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</item>
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<item>
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<widget class="Line" name="line_10">
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<property name="orientation">
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<enum>Qt::Vertical</enum>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QLabel" name="rfBWLabel">
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<property name="text">
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