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Selectable reference impedance

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This commit is contained in:
Jan Käberich 2022-03-15 15:26:02 +01:00
parent d526270fd2
commit cece0080ed
12 changed files with 46 additions and 16 deletions
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9
Software/PC_Application/Traces/tracesmithchart.cpp
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@ -305,7 +305,7 @@ void TraceSmithChart::draw(QPainter &p) {
p.drawLine(dataToPixel(complex<double>(edgeReflection,0)),dataToPixel(complex<double>(-edgeReflection,0)));
constexpr std::array<double, 5> impedanceLines = {10, 25, 50, 100, 250};
for(auto z : impedanceLines) {
z /= ReferenceImpedance;
z /= Preferences::getInstance().Acquisition.refImp;
auto radius = 1.0/z;
drawArc(SmithChartArc(QPointF(1.0, radius), radius, 0, 2*M_PI));
drawArc(SmithChartArc(QPointF(1.0, -radius), radius, 0, 2*M_PI));
@ -409,7 +409,7 @@ QString TraceSmithChart::mouseText(QPoint pos)
{
auto data = pixelToData(pos);
if(abs(data) <= edgeReflection) {
data = 50.0 * (1.0 + data) / (1.0 - data);
data = Preferences::getInstance().Acquisition.refImp * (1.0 + data) / (1.0 - data);
auto ret = Unit::ToString(data.real(), "", " ", 3);
if(data.imag() >= 0) {
ret += "+";
@ -586,18 +586,19 @@ SmithChartConstantLine::SmithChartConstantLine()
std::vector<SmithChartArc> SmithChartConstantLine::getArcs()
{
double Z0 = Preferences::getInstance().Acquisition.refImp;
std::vector<SmithChartArc> arcs;
switch(type) {
case Type::VSWR:
arcs.push_back(SmithChartArc(QPointF(0.0, 0.0), (param - 1.0) / (param + 1.0)));
break;
case Type::Resistance: {
auto circleLeft = (param / 50.0 - 1.0) / (param / 50.0 + 1.0);
auto circleLeft = (param / Z0 - 1.0) / (param / Z0 + 1.0);
arcs.push_back(SmithChartArc(QPointF((circleLeft + 1.0) / 2, 0.0), (1.0 - circleLeft) / 2.0));
}
break;
case Type::Reactance: {
auto radius = 1.0/(param / 50.0);
auto radius = 1.0/(param / Z0);
if(radius > 0) {
arcs.push_back(SmithChartArc(QPointF(1.0, radius), radius));
} else {