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SSB demod: set minimum squelch threshold to -120 dB with constant

This commit is contained in:
f4exb 2018-02-09 08:42:28 +01:00
parent fdabbe49da
commit c744615b3a
5 changed files with 9 additions and 3 deletions

View File

@ -426,7 +426,7 @@ void SSBDemod::applySettings(const SSBDemodSettings& settings, bool force)
(m_settings.m_agcClamping != settings.m_agcClamping) || force)
{
int agcNbSamples = 48 * (1<<settings.m_agcTimeLog2);
m_agc.setThresholdEnable(settings.m_agcPowerThreshold != -110);
m_agc.setThresholdEnable(settings.m_agcPowerThreshold != -SSBDemodSettings::m_minPowerThresholdDB);
double agcPowerThreshold = CalcDb::powerFromdB(settings.m_agcPowerThreshold) * (SDR_RX_SCALED*SDR_RX_SCALED);
int agcThresholdGate = 48 * settings.m_agcThresholdGate; // ms
bool agcClamping = settings.m_agcClamping;

View File

@ -523,7 +523,7 @@ void SSBDemodGUI::displayUDPAddress()
void SSBDemodGUI::displayAGCPowerThreshold(int value)
{
if (value == -110)
if (value == -SSBDemodSettings::m_minPowerThresholdDB)
{
ui->agcPowerThresholdText->setText("---");
}

View File

@ -777,7 +777,7 @@
<string>Power threshold (dB)</string>
</property>
<property name="minimum">
<number>-110</number>
<number>-120</number>
</property>
<property name="maximum">
<number>0</number>

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@ -21,6 +21,9 @@
#include "settings/serializable.h"
#include "ssbdemodsettings.h"
const int SSBDemodSettings::m_minPowerThresholdDB = -120;
const float SSBDemodSettings::m_mminPowerThresholdDBf = 120.0f;
SSBDemodSettings::SSBDemodSettings() :
m_channelMarker(0),
m_spectrumGUI(0)

View File

@ -53,6 +53,9 @@ struct SSBDemodSettings
void setSpectrumGUI(Serializable *spectrumGUI) { m_spectrumGUI = spectrumGUI; }
QByteArray serialize() const;
bool deserialize(const QByteArray& data);
static const int m_minPowerThresholdDB;
static const float m_mminPowerThresholdDBf;
};