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IQ imbalance fix: the I branch has to remain the reference

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This commit is contained in:
f4exb 2018-02-11 01:42:35 +01:00
parent 7fcbbccb33
commit 4b2dfd488e
1 changed files with 3 additions and 3 deletions

6
sdrbase/dsp/dspdevicesourceengine.cpp
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@ -234,8 +234,8 @@ void DSPDeviceSourceEngine::iqCorrections(SampleVector::iterator begin, SampleVe
m_avgPhi(m_avgIQ.asDouble()/m_avgII.asDouble());
}
float yi = xi - m_avgPhi.asDouble()*xq;
float yq = xq;
float& yi = xi; // the in phase remains the reference
float yq = xq - m_avgPhi.asDouble()*xi;
// amplitude I/Q imbalance
m_avgII2(yi*yi); // <I, I>
@ -246,7 +246,7 @@ void DSPDeviceSourceEngine::iqCorrections(SampleVector::iterator begin, SampleVe
}
// final correction
float zi = yi;
float& zi = yi; // the in phase remains the reference
float zq = m_avgAmp.asDouble() * yq;
// convert and store