VE7UWU/sdrangel
1
0
Fork 0
mirror of https://github.com/f4exb/sdrangel.git synced 2026-06-02 14:04:46 -04:00
Code Issues Projects Releases Wiki Activity

Test Source: add phase imbalance control

Browse Source
This commit is contained in:
f4exb
2018-01-31 22:34:55 +01:00
parent 5cbfcccb85
commit 373aa6960f
11 changed files with 94 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files
plugins/samplesource/testsource/testsourcethread.cpp
+7 -1
View File
@@ -40,6 +40,7 @@ TestSourceThread::TestSourceThread(SampleSinkFifo* sampleFifo, QObject* parent)
m_dcBias(0.0f),
m_iBias(0.0f),
m_qBias(0.0f),
m_phaseImbalance(0.0f),
m_amplitudeBitsDC(0),
m_amplitudeBitsI(127),
m_amplitudeBitsQ(127),
@@ -138,6 +139,11 @@ void TestSourceThread::setQFactor(float iFactor)
m_amplitudeBitsQ = (1.0f + m_qBias) * m_amplitudeBits;
}
void TestSourceThread::setPhaseImbalance(float phaseImbalance)
{
m_phaseImbalance = phaseImbalance;
}
void TestSourceThread::setFrequencyShift(int shift)
{
m_nco.setFreq(shift, m_samplerate);
@@ -189,7 +195,7 @@ void TestSourceThread::generate(quint32 chunksize)
for (int i = 0; i < n-1;)
{
Complex c = m_nco.nextIQ();
Complex c = m_nco.nextIQ(m_phaseImbalance);
m_buf[i++] = (int16_t) (c.real() * (float) m_amplitudeBitsI) + m_amplitudeBitsDC;
m_buf[i++] = (int16_t) (c.imag() * (float) m_amplitudeBitsQ);
}