CalcDb Class Reference

#include <db.h>

Static Public Member Functions
static double	dbPower (double magsq, double floor=1e-12)
static double	powerFromdB (double powerdB)

Detailed Description

Definition at line 24 of file db.h.

Member Function Documentation

dbPower()

double CalcDb::dbPower ( double  magsq, double  floor = 1e-12  )

static

Definition at line 22 of file db.cpp.

Referenced by TestSourceGui::displayAmplitude(), TestMIGui::displayAmplitude(), FreeDVDemod::getSNRLevels(), BFMDemodGUI::rdsUpdate(), DATVDemodGUI::tick(), WFMDemodGUI::tick(), NFMDemodGUI::tick(), AMDemodGUI::tick(), FreqTrackerGUI::tick(), ATVDemodGUI::tick(), SSBDemodGUI::tick(), FreeDVDemodGUI::tick(), UDPSourceGUI::tick(), BFMDemodGUI::tick(), ChannelAnalyzerGUI::tick(), UDPSinkGUI::tick(), FileSourceGUI::tick(), AMModGUI::tick(), FreeDVModGUI::tick(), NFMModGUI::tick(), WFMModGUI::tick(), SSBModGUI::tick(), ATVModGUI::tick(), DSDDemodGUI::tick(), WFMDemod::webapiFormatChannelReport(), AMDemod::webapiFormatChannelReport(), FreqTracker::webapiFormatChannelReport(), UDPSink::webapiFormatChannelReport(), UDPSource::webapiFormatChannelReport(), NFMDemod::webapiFormatChannelReport(), DSDDemod::webapiFormatChannelReport(), BFMDemod::webapiFormatChannelReport(), WFMMod::webapiFormatChannelReport(), AMMod::webapiFormatChannelReport(), SSBDemod::webapiFormatChannelReport(), NFMMod::webapiFormatChannelReport(), FreeDVMod::webapiFormatChannelReport(), SSBMod::webapiFormatChannelReport(), FreeDVDemod::webapiFormatChannelReport(), FileSource::webapiFormatChannelReport(), ATVMod::webapiFormatChannelReport(), and BFMDemod::webapiFormatRDSReport().

{
    assert(floor > 0.0);

    if (magsq > floor)
    {
        return 10.0 * log10(magsq);
    }
    else
    {
        return 10.0 * log10(floor);
    }
}

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powerFromdB()

double CalcDb::powerFromdB ( double  powerdB )

static

Definition at line 36 of file db.cpp.

Referenced by FreeDVDemod::FreeDVSNR::accumulate(), AMDemod::applySettings(), FreqTracker::applySettings(), UDPSink::applySettings(), UDPSource::applySettings(), SSBDemod::applySettings(), and FileSource::applySettings().

{
    return pow(10.0, powerdB / 10.0);
}

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The documentation for this class was generated from the following files:

• sdrbase/util/db.h
• sdrbase/util/db.cpp