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up/down channelizers: set guard interfal to 12.5% and optimize debug messages

pull/1853/head
f4exb 2023-10-18 06:29:18 +02:00
rodzic cdc9ddb954
commit 9799874c17
2 zmienionych plików z 6 dodań i 25 usunięć
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10
sdrbase/dsp/downchannelizer.cpp
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@ -233,7 +233,6 @@ Real DownChannelizer::createFilterChain(Real sigStart, Real sigEnd, Real chanSta
Real chanBw = chanEnd - chanStart;
Real rot = sigBw / 4;
qDebug("DownChannelizer::createFilterChain: Signal [%.1f, %.1f] (BW %.1f), Channel [%.1f, %.1f], Rot %.1f", sigStart, sigEnd, sigBw, chanStart, chanEnd, rot);
std::array<Real, 3> filterMinSpaces; // Array of left, center and right filter min spaces respectively
filterMinSpaces[0] = channelMinSpace(sigStart, sigStart + sigBw / 2.0, chanStart, chanEnd);
@ -243,28 +242,25 @@ Real DownChannelizer::createFilterChain(Real sigStart, Real sigEnd, Real chanSta
int maxIndex = maxIt - filterMinSpaces.begin();
Real maxValue = *maxIt;
qDebug("DownChannelizer::createFilterChain: best index: %d best value: %.1f sigBW: %.1f chanBW: %.1f",
maxIndex, maxValue, sigBw, chanBw);
qDebug("DownChannelizer::createFilterChain: Signal [%.1f, %.1f] (BW %.1f) Channel [%.1f, %.1f] (BW %.1f) Selected: %d (fit %.1f)",
sigStart, sigEnd, sigBw, chanStart, chanEnd, chanBw, maxIndex, maxValue);
if ((sigStart < sigEnd) && (chanStart < chanEnd) && (maxValue >= chanBw/10.0))
if ((sigStart < sigEnd) && (chanStart < chanEnd) && (maxValue >= chanBw/8.0))
{
if (maxIndex == 0)
{
qDebug("DownChannelizer::createFilterChain: -> take left half (rotate by +1/4 and decimate by 2)");
m_filterStages.push_back(new FilterStage(FilterStage::ModeLowerHalf));
return createFilterChain(sigStart, sigStart + sigBw / 2.0, chanStart, chanEnd);
}
if (maxIndex == 1)
{
qDebug("DownChannelizer::createFilterChain: -> take center half (decimate by 2)");
m_filterStages.push_back(new FilterStage(FilterStage::ModeCenter));
return createFilterChain(sigStart + rot, sigEnd - rot, chanStart, chanEnd);
}
if (maxIndex == 2)
{
qDebug("DownChannelizer::createFilterChain: -> take right half (rotate by -1/4 and decimate by 2)");
m_filterStages.push_back(new FilterStage(FilterStage::ModeUpperHalf));
return createFilterChain(sigEnd - sigBw / 2.0f, sigEnd, chanStart, chanEnd);
}

21
sdrbase/dsp/upchannelizer.cpp
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@ -252,12 +252,6 @@ Real UpChannelizer::createFilterChain(Real sigStart, Real sigEnd, Real chanStart
Real rot = sigBw / 4;
Sample s;
qDebug() << "UpChannelizer::createFilterChain: start:"
<< " sig: [" << sigStart << ":" << sigEnd << "]"
<< " BW: " << sigBw
<< " chan: [" << chanStart << ":" << chanEnd << "]"
<< " rot: " << rot;
std::array<Real, 3> filterMinSpaces; // Array of left, center and right filter min spaces respectively
filterMinSpaces[0] = channelMinSpace(sigStart, sigStart + sigBw / 2.0, chanStart, chanEnd);
filterMinSpaces[1] = channelMinSpace(sigStart + rot, sigEnd - rot, chanStart, chanEnd);
@ -266,16 +260,13 @@ Real UpChannelizer::createFilterChain(Real sigStart, Real sigEnd, Real chanStart
int maxIndex = maxIt - filterMinSpaces.begin();
Real maxValue = *maxIt;
qDebug("UpChannelizer::createFilterChain: best index: %d best value: %.1f sigBW: %.1f chanBW: %.1f",
maxIndex, maxValue, sigBw, chanBw);
qDebug("UpChannelizer::createFilterChain: Signal [%.1f, %.1f] (BW %.1f) Channel [%.1f, %.1f] (BW %.1f) Selected: %d (fit %.1f)",
sigStart, sigEnd, sigBw, chanStart, chanEnd, chanBw, maxIndex, maxValue);
if ((sigStart < sigEnd) && (chanStart < chanEnd) && (maxValue >= chanBw/10.0))
if ((sigStart < sigEnd) && (chanStart < chanEnd) && (maxValue >= chanBw/8.0))
{
if (maxIndex == 0)
{
qDebug() << "UpChannelizer::createFilterChain: take left half (rotate by +1/4 and decimate by 2):"
<< " [" << m_filterStages.size() << "]"
<< " sig: [" << sigStart << ":" << sigStart + sigBw / 2.0 << "]";
m_filterStages.push_back(new FilterStage(FilterStage::ModeLowerHalf));
m_stageSamples.push_back(s);
return createFilterChain(sigStart, sigStart + sigBw / 2.0, chanStart, chanEnd);
@ -283,9 +274,6 @@ Real UpChannelizer::createFilterChain(Real sigStart, Real sigEnd, Real chanStart
if (maxIndex == 1)
{
qDebug() << "UpChannelizer::createFilterChain: take center half (decimate by 2):"
<< " [" << m_filterStages.size() << "]"
<< " sig: [" << sigStart + rot << ":" << sigEnd - rot << "]";
m_filterStages.push_back(new FilterStage(FilterStage::ModeCenter));
m_stageSamples.push_back(s);
return createFilterChain(sigStart + rot, sigEnd - rot, chanStart, chanEnd);
@ -293,9 +281,6 @@ Real UpChannelizer::createFilterChain(Real sigStart, Real sigEnd, Real chanStart
if (maxIndex == 2)
{
qDebug() << "UpChannelizer::createFilterChain: take right half (rotate by -1/4 and decimate by 2):"
<< " [" << m_filterStages.size() << "]"
<< " sig: [" << sigEnd - sigBw / 2.0f << ":" << sigEnd << "]";
m_filterStages.push_back(new FilterStage(FilterStage::ModeUpperHalf));
m_stageSamples.push_back(s);
return createFilterChain(sigEnd - sigBw / 2.0f, sigEnd, chanStart, chanEnd);