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#1944 - Fix frequency calculation for SSB spectrum

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This commit is contained in:
srcejon 2024-01-04 17:05:10 +00:00
parent d496744c2a
commit 14430bcb48
1 changed files with 5 additions and 2 deletions
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7
sdrgui/gui/glspectrumview.cpp
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@ -2444,13 +2444,13 @@ float GLSpectrumView::calPower(float power) const
int GLSpectrumView::frequencyToBin(int64_t frequency) const int GLSpectrumView::frequencyToBin(int64_t frequency) const
{ {
float rbw = m_sampleRate / (float)m_fftSize; float rbw = (m_ssbSpectrum ? (m_sampleRate/2) : m_sampleRate) / (float)m_fftSize;
return (frequency - m_frequencyScale.getRangeMin()) / rbw; return (frequency - m_frequencyScale.getRangeMin()) / rbw;
} }
int64_t GLSpectrumView::binToFrequency(int bin) const int64_t GLSpectrumView::binToFrequency(int bin) const
{ {
float rbw = m_sampleRate / (float)m_fftSize; float rbw = (m_ssbSpectrum ? (m_sampleRate/2) : m_sampleRate) / (float)m_fftSize;
return m_frequencyScale.getRangeMin() + bin * rbw; return m_frequencyScale.getRangeMin() + bin * rbw;
} }
@ -3453,6 +3453,9 @@ void GLSpectrumView::applyChanges()
void GLSpectrumView::updateHistogramMarkers() void GLSpectrumView::updateHistogramMarkers()
{ {
if (m_sampleRate == 0) {
return;
}
int64_t centerFrequency; int64_t centerFrequency;
int frequencySpan; int frequencySpan;
getFrequencyZoom(centerFrequency, frequencySpan); getFrequencyZoom(centerFrequency, frequencySpan);