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Spectrum averaging: added a no averaging mode that disables averaging completely
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e88a0d6b57
commit
024fbf5525
@ -26,12 +26,12 @@ SpectrumVis::SpectrumVis(Real scalef, GLSpectrum* glSpectrum) :
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m_scalef(scalef),
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m_glSpectrum(glSpectrum),
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m_averageNb(0),
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m_averagingMode(AvgModeMoving),
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m_averagingMode(AvgModeNone),
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m_ofs(0),
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m_mutex(QMutex::Recursive)
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{
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setObjectName("SpectrumVis");
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handleConfigure(1024, 0, 0, AvgModeMoving, FFTWindow::BlackmanHarris);
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handleConfigure(1024, 0, 0, AvgModeNone, FFTWindow::BlackmanHarris);
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}
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SpectrumVis::~SpectrumVis()
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@ -111,7 +111,39 @@ void SpectrumVis::feed(const SampleVector::const_iterator& cbegin, const SampleV
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Real v;
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std::size_t halfSize = m_fftSize / 2;
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if (m_averagingMode == AvgModeMoving)
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if (m_averagingMode == AvgModeNone)
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{
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if ( positiveOnly )
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{
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for (std::size_t i = 0; i < halfSize; i++)
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{
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c = fftOut[i];
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v = c.real() * c.real() + c.imag() * c.imag();
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v = m_mult * log2f(v) + m_ofs;
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m_logPowerSpectrum[i * 2] = v;
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m_logPowerSpectrum[i * 2 + 1] = v;
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}
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}
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else
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{
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for (std::size_t i = 0; i < halfSize; i++)
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{
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c = fftOut[i + halfSize];
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v = c.real() * c.real() + c.imag() * c.imag();
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v = m_mult * log2f(v) + m_ofs;
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m_logPowerSpectrum[i] = v;
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c = fftOut[i];
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v = c.real() * c.real() + c.imag() * c.imag();
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v = m_mult * log2f(v) + m_ofs;
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m_logPowerSpectrum[i + halfSize] = v;
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}
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}
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// send new data to visualisation
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m_glSpectrum->newSpectrum(m_logPowerSpectrum, m_fftSize);
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}
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else if (m_averagingMode == AvgModeMoving)
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{
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if ( positiveOnly )
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{
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@ -18,6 +18,7 @@ class SDRGUI_API SpectrumVis : public BasebandSampleSink {
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public:
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enum AveragingMode
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{
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AvgModeNone,
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AvgModeMoving,
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AvgModeFixed
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};
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@ -33,7 +34,7 @@ public:
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m_averageNb(averageNb),
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m_window(window)
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{
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m_averagingMode = averagingMode < 0 ? AvgModeMoving : averagingMode > 1 ? AvgModeFixed : (SpectrumVis::AveragingMode) averagingMode;
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m_averagingMode = averagingMode < 0 ? AvgModeNone : averagingMode > 2 ? AvgModeFixed : (SpectrumVis::AveragingMode) averagingMode;
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}
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int getFFTSize() const { return m_fftSize; }
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@ -28,7 +28,7 @@ GLSpectrumGUI::GLSpectrumGUI(QWidget* parent) :
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m_displayHistogram(false),
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m_displayGrid(false),
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m_invert(true),
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m_averagingMode(AvgModeMoving),
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m_averagingMode(AvgModeNone),
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m_averagingIndex(0),
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m_averagingMaxScale(2),
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m_averagingNb(0)
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@ -75,7 +75,7 @@ void GLSpectrumGUI::resetToDefaults()
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m_displayHistogram = false;
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m_displayGrid = false;
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m_invert = true;
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m_averagingMode = AvgModeMoving;
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m_averagingMode = AvgModeNone;
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m_averagingIndex = 0;
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applySettings();
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}
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@ -138,7 +138,7 @@ bool GLSpectrumGUI::deserialize(const QByteArray& data)
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Real waterfallShare;
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d.readReal(18, &waterfallShare, 0.66);
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d.readS32(19, &tmp, 0);
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m_averagingMode = tmp < 0 ? AvgModeMoving : tmp > 1 ? AvgModeFixed : (AveragingMode) tmp;
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m_averagingMode = tmp < 0 ? AvgModeNone : tmp > 2 ? AvgModeFixed : (AveragingMode) tmp;
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d.readS32(20, &tmp, 0);
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m_averagingIndex = getAveragingIndex(tmp);
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m_averagingNb = getAveragingValue(m_averagingIndex);
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@ -235,7 +235,7 @@ void GLSpectrumGUI::on_fftSize_currentIndexChanged(int index)
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void GLSpectrumGUI::on_averagingMode_currentIndexChanged(int index)
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{
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m_averagingMode = index < 0 ? AvgModeMoving : index > 1 ? AvgModeFixed : (AveragingMode) index;
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m_averagingMode = index < 0 ? AvgModeNone : index > 2 ? AvgModeFixed : (AveragingMode) index;
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if(m_spectrumVis != 0) {
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m_spectrumVis->configure(m_messageQueueToVis,
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@ -20,6 +20,7 @@ class SDRGUI_API GLSpectrumGUI : public QWidget, public Serializable {
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public:
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enum AveragingMode
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{
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AvgModeNone,
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AvgModeMoving,
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AvgModeFixed
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};
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@ -547,6 +547,11 @@
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<property name="toolTip">
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<string>Averaging type</string>
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</property>
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<item>
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<property name="text">
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<string>No</string>
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</property>
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</item>
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<item>
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<property name="text">
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<string>Mov</string>
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