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DSD Demod: use same magnitude squared average technique for the squelch as with the NFM demod

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f4exb
2016-12-14 18:46:31 +01:00
parent db3375ca3e
commit dad2bf7bf9
3 changed files with 5 additions and 5 deletions
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plugins/channelrx/demoddsd/dsddemod.cpp
+3 -3
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@@ -67,7 +67,7 @@ DSDDemod::DSDDemod(BasebandSampleSink* sampleSink) :
m_sampleBuffer = new qint16[1<<17]; // 128 kS
m_sampleBufferIndex = 0;
// m_movingAverage.resize(50, 0);
m_movingAverage.resize(16, 0);
m_magsq = 0.0f;
m_magsqSum = 0.0f;
m_magsqPeak = 0.0f;
@@ -141,7 +141,7 @@ void DSDDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
qint16 sample, delayedSample;
Real magsq = ((ci.real()*ci.real() + ci.imag()*ci.imag())) / (1<<30);
// m_movingAverage.feed(m_magsq);
m_movingAverage.feed(magsq);
m_magsqSum += magsq;
@@ -157,7 +157,7 @@ void DSDDemod::feed(const SampleVector::const_iterator& begin, const SampleVecto
// AF processing
if (getMagSq() > m_squelchLevel)
if (m_movingAverage.average() > m_squelchLevel)
{
if (m_squelchGate > 0)
{