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Option to apply calibration and de-embedding while/after importing

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This commit is contained in:
Jan Käberich 2021-03-11 21:52:58 +01:00
parent f0669ab4c0
commit 7a4113cd6b
24 changed files with 1760 additions and 209 deletions
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9
Software/PC_Application/Application.pro
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@ -5,6 +5,7 @@ HEADERS += \
Calibration/calibrationtracedialog.h \
Calibration/calkit.h \
Calibration/calkitdialog.h \
Calibration/manualcalibrationdialog.h \
Calibration/measurementmodel.h \
Calibration/receivercaldialog.h \
Calibration/sourcecaldialog.h \
@ -81,6 +82,7 @@ HEADERS += \
Traces/Math/windowfunction.h \
Traces/fftcomplex.h \
Traces/markerwidget.h \
Traces/sparamtraceselector.h \
Traces/trace.h \
Traces/tracecsvexport.h \
Traces/traceeditdialog.h \
@ -99,6 +101,7 @@ HEADERS += \
VNA/Deembedding/deembedding.h \
VNA/Deembedding/deembeddingdialog.h \
VNA/Deembedding/deembeddingoption.h \
VNA/Deembedding/manualdeembeddingdialog.h \
VNA/Deembedding/matchingnetwork.h \
VNA/Deembedding/portextension.h \
VNA/Deembedding/twothru.h \
@ -121,6 +124,7 @@ SOURCES += \
Calibration/calibrationtracedialog.cpp \
Calibration/calkit.cpp \
Calibration/calkitdialog.cpp \
Calibration/manualcalibrationdialog.cpp \
Calibration/measurementmodel.cpp \
Calibration/receivercaldialog.cpp \
Calibration/sourcecaldialog.cpp \
@ -186,6 +190,7 @@ SOURCES += \
Traces/Math/windowfunction.cpp \
Traces/fftcomplex.cpp \
Traces/markerwidget.cpp \
Traces/sparamtraceselector.cpp \
Traces/trace.cpp \
Traces/tracecsvexport.cpp \
Traces/traceeditdialog.cpp \
@ -202,6 +207,7 @@ SOURCES += \
VNA/Deembedding/deembedding.cpp \
VNA/Deembedding/deembeddingdialog.cpp \
VNA/Deembedding/deembeddingoption.cpp \
VNA/Deembedding/manualdeembeddingdialog.cpp \
VNA/Deembedding/matchingnetwork.cpp \
VNA/Deembedding/portextension.cpp \
VNA/Deembedding/twothru.cpp \
@ -228,6 +234,7 @@ FORMS += \
Calibration/automaticamplitudedialog.ui \
Calibration/calibrationtracedialog.ui \
Calibration/calkitdialog.ui \
Calibration/manualcalibrationdialog.ui \
CustomWidgets/tilewidget.ui \
CustomWidgets/touchstoneimport.ui \
Device/devicelog.ui \
@ -253,10 +260,12 @@ FORMS += \
Traces/tracewidget.ui \
Traces/xyplotaxisdialog.ui \
VNA/Deembedding/deembeddingdialog.ui \
VNA/Deembedding/manualdeembeddingdialog.ui \
VNA/Deembedding/matchingnetworkdialog.ui \
VNA/Deembedding/measurementdialog.ui \
VNA/Deembedding/portextensioneditdialog.ui \
VNA/Deembedding/twothrudialog.ui \
VNA/s2pImportOptions.ui \
main.ui \
preferencesdialog.ui

12
Software/PC_Application/Calibration/calibration.cpp
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@ -388,6 +388,18 @@ void Calibration::correctMeasurement(Protocol::Datapoint &d)
d.imag_S22 = S22.imag();
}
void Calibration::correctTraces(Trace &S11, Trace &S12, Trace &S21, Trace &S22)
{
auto points = Trace::assembleDatapoints(S11, S12, S21, S22);
if(points.size()) {
// succeeded in assembling datapoints
for(auto &p : points) {
correctMeasurement(p);
}
Trace::fillFromDatapoints(S11, S12, S21, S22, points);
}
}
Calibration::InterpolationType Calibration::getInterpolation(Protocol::SweepSettings settings)
{
if(!points.size()) {

1
Software/PC_Application/Calibration/calibration.h
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@ -47,6 +47,7 @@ public:
void resetErrorTerms();
void correctMeasurement(Protocol::Datapoint &d);
void correctTraces(Trace &S11, Trace &S12, Trace &S21, Trace &S22);
enum class InterpolationType {
Unchanged, // Nothing has changed, settings and calibration points match

23
Software/PC_Application/Calibration/manualcalibrationdialog.cpp Normal file
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@ -0,0 +1,23 @@
#include "manualcalibrationdialog.h"
#include "ui_manualcalibrationdialog.h"
#include "Traces/sparamtraceselector.h"
ManualCalibrationDialog::ManualCalibrationDialog(const TraceModel &model, Calibration *cal) :
ui(new Ui::ManualCalibrationDialog)
{
ui->setupUi(this);
auto traceSelector = new SparamTraceSelector(model, 2);
ui->verticalLayout->insertWidget(1, traceSelector, 1.0);
ui->buttonBox->setEnabled(false);
connect(traceSelector, &SparamTraceSelector::selectionValid, ui->buttonBox, &QDialogButtonBox::setEnabled);
connect(ui->buttonBox, &QDialogButtonBox::accepted, [=]() {
auto t = traceSelector->getTraces();
cal->correctTraces(*t[0], *t[1], *t[2], *t[3]);
accept();
});
}
ManualCalibrationDialog::~ManualCalibrationDialog()
{
delete ui;
}

23
Software/PC_Application/Calibration/manualcalibrationdialog.h Normal file
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@ -0,0 +1,23 @@
#ifndef MANUALCALIBRATIONDIALOG_H
#define MANUALCALIBRATIONDIALOG_H
#include <QDialog>
#include "calibration.h"
namespace Ui {
class ManualCalibrationDialog;
}
class ManualCalibrationDialog : public QDialog
{
Q_OBJECT
public:
explicit ManualCalibrationDialog(const TraceModel &model, Calibration *cal);
~ManualCalibrationDialog();
private:
Ui::ManualCalibrationDialog *ui;
};
#endif // MANUALCALIBRATIONDIALOG_H

41
Software/PC_Application/Calibration/manualcalibrationdialog.ui Normal file
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@ -0,0 +1,41 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>ManualCalibrationDialog</class>
<widget class="QDialog" name="ManualCalibrationDialog">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>597</width>
<height>200</height>
</rect>
</property>
<property name="windowTitle">
<string>Dialog</string>
</property>
<property name="modal">
<bool>true</bool>
</property>
<layout class="QVBoxLayout" name="verticalLayout">
<item>
<widget class="QLabel" name="label">
<property name="text">
<string>Select the traces which contain the S parameters you want to apply the calibration to:</string>
</property>
</widget>
</item>
<item>
<widget class="QDialogButtonBox" name="buttonBox">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="standardButtons">
<set>QDialogButtonBox::Ok</set>
</property>
</widget>
</item>
</layout>
</widget>
<resources/>
<connections/>
</ui>

172
Software/PC_Application/Traces/sparamtraceselector.cpp Normal file
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@ -0,0 +1,172 @@
#include "sparamtraceselector.h"
#include <QFormLayout>
#include <QLabel>
using namespace std;
SparamTraceSelector::SparamTraceSelector(const TraceModel &model, unsigned int num_ports, bool empty_allowed, std::set<unsigned int> skip)
: model(model),
num_ports(num_ports),
empty_allowed(empty_allowed)
{
// Create comboboxes
auto layout = new QFormLayout;
setLayout(layout);
for(unsigned int i=0;i<num_ports;i++) {
for(unsigned int j=0;j<num_ports;j++) {
auto label = new QLabel("S"+QString::number(i+1)+QString::number(j+1)+":");
auto box = new QComboBox();
connect(box, qOverload<int>(&QComboBox::currentIndexChanged), [=](int) {
traceSelectionChanged(box);
});
boxes.push_back(box);
layout->addRow(label, box);
if(skip.count(i*num_ports + j)) {
label->setVisible(false);
box->setVisible(false);
}
}
}
setInitialChoices();
}
std::vector<Trace*> SparamTraceSelector::getTraces()
{
vector<Trace*> ret;
for(auto b : boxes) {
if(b->currentIndex() == 0) {
ret.push_back(nullptr);
} else {
auto trace = qvariant_cast<Trace*>(b->itemData(b->currentIndex()));
ret.push_back(trace);
}
}
return ret;
}
void SparamTraceSelector::setInitialChoices()
{
for(unsigned int i=0;i<num_ports*num_ports;i++) {
boxes[i]->blockSignals(true);
boxes[i]->clear();
boxes[i]->addItem("None");
for(auto t : model.getTraces()) {
if(t->outputType() != Trace::DataType::Frequency) {
// only frequency domain traces allowed
continue;
}
if(t->size() == 0) {
// can't select empty traces
continue;
}
bool reflectionRequired = i%(num_ports+1) == 0 ? true : false;
if(reflectionRequired != t->isReflection()) {
// invalid S parameter
continue;
}
boxes[i]->addItem(t->name(), QVariant::fromValue<Trace*>(t));
}
boxes[i]->blockSignals(false);
}
points = 0;
valid = empty_allowed;
}
void SparamTraceSelector::traceSelectionChanged(QComboBox *cb)
{
// update available traces in combo boxes
if(cb->currentIndex() != 0 && points == 0) {
// the first trace has been selected, extract frequency info
Trace *t = qvariant_cast<Trace*>(cb->itemData(cb->currentIndex()));
points = t->size();
if(points > 0) {
minFreq = t->minX();
maxFreq = t->maxX();
}
// remove all trace options with incompatible frequencies
for(auto c : boxes) {
if(!c->isVisible()) {
// skip invisible selections
continue;
}
for(int i=1;i<c->count();i++) {
Trace *t = qvariant_cast<Trace*>(c->itemData(i));
if(t->size() != points || (points > 0 && (t->minX() != minFreq || t->maxX() != maxFreq))) {
// this trace is not available anymore
c->removeItem(i);
// decrement to check the next index in the next loop iteration
i--;
}
}
}
// try to find matching traces based on their names (convenient autoselection of matching traces)
auto text = cb->currentText();
text.chop(2);
if(text.endsWith("S")) {
// tracename ended in Sxx, probably other traces with matching prefix available
for(unsigned int i=0;i<num_ports*num_ports;i++) {
auto b = boxes[i];
if(b == cb) {
// skip this box
continue;
}
for(int j=0;j<b->count();j++) {
auto candidate = b->itemText(j);
// check if correct parameter
QString expectedSparam = QString::number(i/num_ports+1)+QString::number(i%num_ports+1);
if(!candidate.endsWith(expectedSparam)) {
// wrong S parameter, skip
continue;
}
candidate.chop(2);
if(candidate != text) {
// trace name does not match
continue;
}
// possible match, select for this box
b->setCurrentIndex(j);
break;
}
}
}
} else if(cb->currentIndex() == 0 && points > 0) {
emit selectionValid(false);
// Check if all trace selections are set for none
for(auto c : boxes) {
if(!c->isVisible()) {
// skip invisible selections
continue;
}
if(c->currentIndex() != 0) {
// some trace is still selected, abort
return;
}
}
// all traces set for none
points = 0;
minFreq = 0;
maxFreq = 0;
setInitialChoices();
}
if(empty_allowed) {
// always valid
emit selectionValid(true);
} else {
// actually need to check
valid = true;
for(auto c : boxes) {
if(!c->isVisible()) {
// skip invisible selections
continue;
}
if (c->currentIndex() == 0) {
valid = false;
break;
}
}
emit selectionValid(valid);
}
}

37
Software/PC_Application/Traces/sparamtraceselector.h Normal file
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@ -0,0 +1,37 @@
#ifndef SPARAMTRACESELECTOR_H
#define SPARAMTRACESELECTOR_H
#include <QWidget>
#include "tracemodel.h"
#include <QComboBox>
class SparamTraceSelector : public QWidget
{
Q_OBJECT
public:
SparamTraceSelector(const TraceModel &model, unsigned int num_ports, bool empty_allowed = false, std::set<unsigned int> skip = {});
bool isValid();
std::vector<Trace*> getTraces();
unsigned int getPoints() { return points;};
signals:
void selectionValid(bool valid);
private:
void setInitialChoices();
void traceSelectionChanged(QComboBox *cb);
const TraceModel &model;
std::vector<QComboBox*> boxes;
unsigned int num_ports;
bool empty_allowed;
unsigned int points;
double minFreq, maxFreq;
bool valid;
};
#endif // SPARAMTRACESELECTOR_H

81
Software/PC_Application/Traces/trace.cpp
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@ -2,6 +2,8 @@
#include <math.h>
#include "fftcomplex.h"
#include <QDebug>
#include <QScrollBar>
#include <QSettings>
#include <functional>
using namespace std;
@ -215,6 +217,26 @@ QString Trace::fillFromCSV(CSV &csv, unsigned int parameter)
return traceName;
}
void Trace::fillFromDatapoints(Trace &S11, Trace &S12, Trace &S21, Trace &S22, const std::vector<Protocol::Datapoint> &data)
{
S11.clear();
S12.clear();
S21.clear();
S22.clear();
for(auto d : data) {
Trace::Data td;
td.x = d.frequency;
td.y = complex<double>(d.real_S11, d.imag_S11);
S11.addData(td);
td.y = complex<double>(d.real_S12, d.imag_S12);
S12.addData(td);
td.y = complex<double>(d.real_S21, d.imag_S21);
S21.addData(td);
td.y = complex<double>(d.real_S22, d.imag_S22);
S22.addData(td);
}
}
void Trace::fromLivedata(Trace::LivedataType type, LiveParameter param)
{
timeDomain = false;
@ -435,6 +457,61 @@ std::vector<Trace *> Trace::createFromCSV(CSV &csv)
return traces;
}
std::vector<Protocol::Datapoint> Trace::assembleDatapoints(const Trace &S11, const Trace &S12, const Trace &S21, const Trace &S22)
{
vector<Protocol::Datapoint> ret;
// Sanity check traces
unsigned int samples = S11.size();
vector<const Trace*> traces;
traces.push_back(&S11);
traces.push_back(&S12);
traces.push_back(&S21);
traces.push_back(&S22);
vector<double> freqs;
for(const auto t : traces) {
if(t->size() != samples) {
qWarning() << "Selected traces do not have the same size";
return ret;
}
if(t->outputType() != Trace::DataType::Frequency) {
qWarning() << "Selected trace not in frequency domain";
return ret;
}
if(freqs.empty()) {
// Create frequency vector
for(unsigned int i=0;i<samples;i++) {
freqs.push_back(t->sample(i).x);
}
} else {
// Compare with frequency vector
for(unsigned int i=0;i<samples;i++) {
if(t->sample(i).x != freqs[i]) {
qWarning() << "Selected traces do not have identical frequency points";
return ret;
}
}
}
}
// Checks passed, assemble datapoints
for(unsigned int i=0;i<samples;i++) {
Protocol::Datapoint d;
d.real_S11 = real(S11.sample(i).y);
d.imag_S11 = imag(S11.sample(i).y);
d.real_S12 = real(S12.sample(i).y);
d.imag_S12 = imag(S12.sample(i).y);
d.real_S21 = real(S21.sample(i).y);
d.imag_S21 = imag(S21.sample(i).y);
d.real_S22 = real(S22.sample(i).y);
d.imag_S22 = imag(S22.sample(i).y);
d.pointNum = i;
d.frequency = freqs[i];
ret.push_back(d);
}
return ret;
}
void Trace::updateLastMath(vector<MathInfo>::reverse_iterator start)
{
TraceMath *newLast = nullptr;
@ -626,7 +703,7 @@ void Trace::enableMathOperation(unsigned int index, bool enable)
}
}
unsigned int Trace::size()
unsigned int Trace::size() const
{
return lastMath->numSamples();
}
@ -724,7 +801,7 @@ std::vector<double> Trace::findPeakFrequencies(unsigned int maxPeaks, double min
return frequencies;
}
Trace::Data Trace::sample(unsigned int index, SampleType type)
Trace::Data Trace::sample(unsigned int index, SampleType type) const
{
auto data = lastMath->getSample(index);
if(type == SampleType::TimeStep) {

11
Software/PC_Application/Traces/trace.h
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@ -47,6 +47,7 @@ public:
void setVelocityFactor(double v);
void fillFromTouchstone(Touchstone &t, unsigned int parameter);
QString fillFromCSV(CSV &csv, unsigned int parameter); // returns the suggested trace name (not yet set in member data)
static void fillFromDatapoints(Trace &S11, Trace &S12, Trace &S21, Trace &S22, const std::vector<Protocol::Datapoint> &data);
void fromLivedata(LivedataType type, LiveParameter param);
QString name() { return _name; };
QColor color() { return _color; };
@ -60,8 +61,8 @@ public:
bool isReflection();
LiveParameter liveParameter() { return _liveParam; }
LivedataType liveType() { return _liveType; }
TraceMath::DataType outputType() { return lastMath->getDataType(); };
unsigned int size();
TraceMath::DataType outputType() const { return lastMath->getDataType(); };
unsigned int size() const;
double minX();
double maxX();
double findExtremumFreq(bool max);
@ -77,7 +78,7 @@ public:
TimeStep,
};
Data sample(unsigned int index, SampleType type = SampleType::Frequency);
Data sample(unsigned int index, SampleType type = SampleType::Frequency) const;
QString getFilename() const;
unsigned int getFileParameter() const;
/* Returns the noise in dbm/Hz for spectrum analyzer measurements. May return NaN if calculation not possible */
@ -125,6 +126,10 @@ public:
static std::vector<Trace*> createFromTouchstone(Touchstone &t);
static std::vector<Trace*> createFromCSV(CSV &csv);
// Assembles datapoints as received from the VNA from four S parameter traces. Requires that all traces are in the frequency domain,
// have the same number of samples and their samples must be at the same frequencies across all traces
static std::vector<Protocol::Datapoint> assembleDatapoints(const Trace &S11, const Trace &S12, const Trace &S21, const Trace &S22);
public slots:
void setVisible(bool visible);
void setColor(QColor color);

2
Software/PC_Application/Traces/tracemodel.cpp
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@ -143,7 +143,7 @@ QVariant TraceModel::data(const QModelIndex &index, int role) const
return QVariant();
}
std::vector<Trace *> TraceModel::getTraces()
std::vector<Trace *> TraceModel::getTraces() const
{
return traces;
}

2
Software/PC_Application/Traces/tracemodel.h
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@ -33,7 +33,7 @@ public:
int columnCount(const QModelIndex &parent = QModelIndex()) const override;
QVariant data(const QModelIndex &index, int role) const override;
std::vector<Trace*> getTraces();
std::vector<Trace*> getTraces() const;
bool PortExcitationRequired(int port);

179
Software/PC_Application/VNA/Deembedding/deembedding.cpp
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@ -2,6 +2,7 @@
#include "deembeddingdialog.h"
#include <QDebug>
#include "ui_measurementdialog.h"
#include "Traces/sparamtraceselector.h"
using namespace std;
@ -24,170 +25,49 @@ void Deembedding::measurementCompleted()
measurementUI = nullptr;
}
void Deembedding::setInitialTraceSelections()
{
// all checkboxes initially set to none
measurementUI->cS11->blockSignals(true);
measurementUI->cS12->blockSignals(true);
measurementUI->cS21->blockSignals(true);
measurementUI->cS22->blockSignals(true);
measurementUI->cS11->clear();
measurementUI->cS12->clear();
measurementUI->cS21->clear();
measurementUI->cS22->clear();
measurementUI->cS11->addItem("None");
measurementUI->cS12->addItem("None");
measurementUI->cS21->addItem("None");
measurementUI->cS22->addItem("None");
// add applicable traces
for(auto t : tm.getTraces()) {
if(t->isReflection()) {
measurementUI->cS11->addItem(t->name(), QVariant::fromValue<Trace*>(t));
measurementUI->cS22->addItem(t->name(), QVariant::fromValue<Trace*>(t));
} else {
measurementUI->cS12->addItem(t->name(), QVariant::fromValue<Trace*>(t));
measurementUI->cS21->addItem(t->name(), QVariant::fromValue<Trace*>(t));
}
}
measurementUI->cS11->blockSignals(false);
measurementUI->cS12->blockSignals(false);
measurementUI->cS21->blockSignals(false);
measurementUI->cS22->blockSignals(false);
}
void Deembedding::traceSelectionChanged(QComboBox *w)
{
vector<QComboBox*> cbs;
if (measurementUI->cS11->isVisible()) {
cbs.push_back(measurementUI->cS11);
}
if (measurementUI->cS12->isVisible()) {
cbs.push_back(measurementUI->cS12);
}
if (measurementUI->cS21->isVisible()) {
cbs.push_back(measurementUI->cS21);
}
if (measurementUI->cS22->isVisible()) {
cbs.push_back(measurementUI->cS22);
}
// update available traces in combo boxes
if(w->currentIndex() != 0 && points == 0) {
// the first trace has been selected, extract frequency info
Trace *t = qvariant_cast<Trace*>(w->itemData(w->currentIndex()));
points = t->size();
if(points > 0) {
minFreq = t->minX();
maxFreq = t->maxX();
}
// remove all trace options with incompatible frequencies
for(auto c : cbs) {
for(int i=1;i<c->count();i++) {
Trace *t = qvariant_cast<Trace*>(c->itemData(i));
if(t->size() != points || (points > 0 && (t->minX() != minFreq || t->maxX() != maxFreq))) {
// this trace is not available anymore
c->removeItem(i);
// decrement to check the next index in the next loop iteration
i--;
}
}
}
} else if(w->currentIndex() == 0 && points > 0) {
measurementUI->buttonBox->setEnabled(false);
// Check if all trace selections are set for none
for(auto c : cbs) {
if(c->currentIndex() != 0) {
// some trace is still selected, abort
return;
}
}
// all traces set for none
points = 0;
minFreq = 0;
maxFreq = 0;
setInitialTraceSelections();
}
bool allSelectionsValid = true;
for(auto c : cbs) {
if (c->currentIndex() == 0) {
allSelectionsValid = false;
break;
}
}
if(allSelectionsValid) {
measurementUI->buttonBox->setEnabled(true);
}
}
void Deembedding::startMeasurementDialog(bool S11, bool S12, bool S21, bool S22)
{
measurements.clear();
points = 0;
minFreq = 0.0;
maxFreq = 0.0;
measurementDialog = new QDialog;
auto ui = new Ui_DeembeddingMeasurementDialog;
measurementUI = ui;
ui->setupUi(measurementDialog);
// disable not needed GUI elements
// add the trace selector
set<unsigned int> skip;
if(!S11) {
ui->lS11->setVisible(false);
ui->cS11->setVisible(false);
skip.insert(0);
}
if(!S12) {
ui->lS12->setVisible(false);
ui->cS12->setVisible(false);
skip.insert(1);
}
if(!S21) {
ui->lS21->setVisible(false);
ui->cS21->setVisible(false);
skip.insert(2);
}
if(!S22) {
ui->lS22->setVisible(false);
ui->cS22->setVisible(false);
skip.insert(3);
}
auto traceChooser = new SparamTraceSelector(tm, 2, false, skip);
ui->horizontalLayout_2->insertWidget(0, traceChooser, 1);
connect(traceChooser, &SparamTraceSelector::selectionValid, ui->buttonBox, &QDialogButtonBox::setEnabled);
connect(ui->bMeasure, &QPushButton::clicked, [=](){
ui->bMeasure->setEnabled(false);
ui->cS11->setEnabled(false);
ui->cS12->setEnabled(false);
ui->cS21->setEnabled(false);
ui->cS22->setEnabled(false);
traceChooser->setEnabled(false);
ui->buttonBox->setEnabled(false);
measuring = true;
});
connect(ui->cS11, qOverload<int>(&QComboBox::currentIndexChanged), [=](int){
traceSelectionChanged(ui->cS11);
});
connect(ui->cS12, qOverload<int>(&QComboBox::currentIndexChanged), [=](int){
traceSelectionChanged(ui->cS12);
});
connect(ui->cS21, qOverload<int>(&QComboBox::currentIndexChanged), [=](int){
traceSelectionChanged(ui->cS21);
});
connect(ui->cS22, qOverload<int>(&QComboBox::currentIndexChanged), [=](int){
traceSelectionChanged(ui->cS22);
});
connect(ui->buttonBox, &QDialogButtonBox::accepted, [=](){
// create datapoints from individual traces
measurements.clear();
Trace *S11 = nullptr, *S12 = nullptr, *S21 = nullptr, *S22 = nullptr;
if (ui->cS11->currentIndex() != 0) {
S11 = qvariant_cast<Trace*>(ui->cS11->itemData(ui->cS11->currentIndex()));
}
if (ui->cS12->currentIndex() != 0) {
S12 = qvariant_cast<Trace*>(ui->cS12->itemData(ui->cS12->currentIndex()));
}
if (ui->cS21->currentIndex() != 0) {
S21 = qvariant_cast<Trace*>(ui->cS21->itemData(ui->cS21->currentIndex()));
}
if (ui->cS22->currentIndex() != 0) {
S22 = qvariant_cast<Trace*>(ui->cS22->itemData(ui->cS22->currentIndex()));
}
for(unsigned int i=0;i<points;i++) {
auto t = traceChooser->getTraces();
auto S11 = t[0];
auto S12 = t[1];
auto S21 = t[2];
auto S22 = t[3];
for(unsigned int i=0;i<traceChooser->getPoints();i++) {
Protocol::Datapoint p;
p.pointNum = i;
if(S11) {
@ -219,15 +99,12 @@ void Deembedding::startMeasurementDialog(bool S11, bool S12, bool S21, bool S22)
measurementCompleted();
});
setInitialTraceSelections();
measurementDialog->show();
}
Deembedding::Deembedding(TraceModel &tm)
: tm(tm),
measuring(false),
points(0)
measuring(false)
{
}
@ -268,12 +145,27 @@ void Deembedding::Deembed(Protocol::Datapoint &d)
}
}
void Deembedding::Deembed(Trace &S11, Trace &S12, Trace &S21, Trace &S22)
{
auto points = Trace::assembleDatapoints(S11, S12, S21, S22);
if(points.size()) {
// succeeded in assembling datapoints
for(auto &p : points) {
Deembed(p);
}
Trace::fillFromDatapoints(S11, S12, S21, S22, points);
}
}
void Deembedding::removeOption(unsigned int index)
{
if(index < options.size()) {
delete options[index];
options.erase(options.begin() + index);
}
if(options.size() == 0) {
emit allOptionsCleared();
}
}
void Deembedding::addOption(DeembeddingOption *option)
@ -290,6 +182,7 @@ void Deembedding::addOption(DeembeddingOption *option)
measuringOption = option;
startMeasurementDialog(S11, S12, S21, S22);
});
emit optionAdded();
}
void Deembedding::swapOptions(unsigned int index)

8
Software/PC_Application/VNA/Deembedding/deembedding.h
View File

@ -19,6 +19,7 @@ public:
~Deembedding(){};
void Deembed(Protocol::Datapoint &d);
void Deembed(Trace &S11, Trace &S12, Trace &S21, Trace &S22);
void removeOption(unsigned int index);
void addOption(DeembeddingOption* option);
@ -30,10 +31,10 @@ public slots:
void configure();
signals:
void triggerMeasurement(bool S11 = true, bool S12 = true, bool S21 = true, bool S22 = true);
void optionAdded();
void allOptionsCleared();
private:
void measurementCompleted();
void setInitialTraceSelections();
void traceSelectionChanged(QComboBox *w);
void startMeasurementDialog(bool S11, bool S12, bool S21, bool S22);
std::vector<DeembeddingOption*> options;
DeembeddingOption *measuringOption;
@ -43,9 +44,6 @@ private:
std::vector<Protocol::Datapoint> measurements;
QDialog *measurementDialog;
Ui_DeembeddingMeasurementDialog *measurementUI;
// parameters of the selected traces for the measurement
double minFreq, maxFreq;
unsigned long points;
unsigned long sweepPoints;

23
Software/PC_Application/VNA/Deembedding/manualdeembeddingdialog.cpp Normal file
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@ -0,0 +1,23 @@
#include "manualdeembeddingdialog.h"
#include "ui_manualdeembeddingdialog.h"
#include "Traces/sparamtraceselector.h"
ManualDeembeddingDialog::ManualDeembeddingDialog(const TraceModel &model, Deembedding *deemb) :
ui(new Ui::ManualDeembeddingDialog)
{
ui->setupUi(this);
auto traceSelector = new SparamTraceSelector(model, 2);
ui->verticalLayout->insertWidget(1, traceSelector, 1.0);
ui->buttonBox->setEnabled(false);
connect(traceSelector, &SparamTraceSelector::selectionValid, ui->buttonBox, &QDialogButtonBox::setEnabled);
connect(ui->buttonBox, &QDialogButtonBox::accepted, [=]() {
auto t = traceSelector->getTraces();
deemb->Deembed(*t[0], *t[1], *t[2], *t[3]);
accept();
});
}
ManualDeembeddingDialog::~ManualDeembeddingDialog()
{
delete ui;
}

24
Software/PC_Application/VNA/Deembedding/manualdeembeddingdialog.h Normal file
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@ -0,0 +1,24 @@
#ifndef MANUALDEEMBEDDINGDIALOG_H
#define MANUALDEEMBEDDINGDIALOG_H
#include <QDialog>
#include "Traces/tracemodel.h"
#include "deembedding.h"
namespace Ui {
class ManualDeembeddingDialog;
}
class ManualDeembeddingDialog : public QDialog
{
Q_OBJECT
public:
explicit ManualDeembeddingDialog(const TraceModel &model, Deembedding *deemb);
~ManualDeembeddingDialog();
private:
Ui::ManualDeembeddingDialog *ui;
};
#endif // MANUALDEEMBEDDINGDIALOG_H

74
Software/PC_Application/VNA/Deembedding/manualdeembeddingdialog.ui Normal file
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@ -0,0 +1,74 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>ManualDeembeddingDialog</class>
<widget class="QDialog" name="ManualDeembeddingDialog">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>508</width>
<height>168</height>
</rect>
</property>
<property name="windowTitle">
<string>Dialog</string>
</property>
<property name="modal">
<bool>true</bool>
</property>
<layout class="QVBoxLayout" name="verticalLayout">
<item>
<widget class="QLabel" name="label">
<property name="text">
<string>Select the traces which contain the S parameters you want to de-embed:</string>
</property>
</widget>
</item>
<item>
<widget class="QDialogButtonBox" name="buttonBox">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="standardButtons">
<set>QDialogButtonBox::Ok</set>
</property>
</widget>
</item>
</layout>
</widget>
<resources/>
<connections>
<connection>
<sender>buttonBox</sender>
<signal>accepted()</signal>
<receiver>ManualDeembeddingDialog</receiver>
<slot>accept()</slot>
<hints>
<hint type="sourcelabel">
<x>248</x>
<y>254</y>
</hint>
<hint type="destinationlabel">
<x>157</x>
<y>274</y>
</hint>
</hints>
</connection>
<connection>
<sender>buttonBox</sender>
<signal>rejected()</signal>
<receiver>ManualDeembeddingDialog</receiver>
<slot>reject()</slot>
<hints>
<hint type="sourcelabel">
<x>316</x>
<y>260</y>
</hint>
<hint type="destinationlabel">
<x>286</x>
<y>274</y>
</hint>
</hints>
</connection>
</connections>
</ui>

46
Software/PC_Application/VNA/Deembedding/measurementdialog.ui
View File

@ -60,51 +60,7 @@
</widget>
</item>
<item>
<layout class="QHBoxLayout" name="horizontalLayout_2" stretch="1,0">
<item>
<layout class="QFormLayout" name="formLayout">
<item row="0" column="0">
<widget class="QLabel" name="lS11">
<property name="text">
<string>S11:</string>
</property>
</widget>
</item>
<item row="0" column="1">
<widget class="QComboBox" name="cS11"/>
</item>
<item row="1" column="0">
<widget class="QLabel" name="lS12">
<property name="text">
<string>S12:</string>
</property>
</widget>
</item>
<item row="1" column="1">
<widget class="QComboBox" name="cS12"/>
</item>
<item row="2" column="0">
<widget class="QLabel" name="lS21">
<property name="text">
<string>S21:</string>
</property>
</widget>
</item>
<item row="2" column="1">
<widget class="QComboBox" name="cS21"/>
</item>
<item row="3" column="0">
<widget class="QLabel" name="lS22">
<property name="text">
<string>S22:</string>
</property>
</widget>
</item>
<item row="3" column="1">
<widget class="QComboBox" name="cS22"/>
</item>
</layout>
</item>
<layout class="QHBoxLayout" name="horizontalLayout_2" stretch="0">
<item>
<layout class="QVBoxLayout" name="verticalLayout" stretch="1,0">
<item>

91
Software/PC_Application/VNA/s2pImportOptions.ui Normal file
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@ -0,0 +1,91 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>s2pImportOptions</class>
<widget class="QDialog" name="s2pImportOptions">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>285</width>
<height>178</height>
</rect>
</property>
<property name="windowTitle">
<string>Import Options</string>
</property>
<property name="modal">
<bool>true</bool>
</property>
<layout class="QVBoxLayout" name="verticalLayout">
<item>
<widget class="QLabel" name="label">
<property name="text">
<string>You imported a two-port touchstone file, do you want to apply the currently active calibration or de-embed the data?</string>
</property>
<property name="wordWrap">
<bool>true</bool>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="applyCal">
<property name="text">
<string>Apply Calibration</string>
</property>
</widget>
</item>
<item>
<widget class="QCheckBox" name="deembed">
<property name="text">
<string>De-embed imported traces</string>
</property>
</widget>
</item>
<item>
<widget class="QDialogButtonBox" name="buttonBox">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="standardButtons">
<set>QDialogButtonBox::Ok</set>
</property>
</widget>
</item>
</layout>
</widget>
<resources/>
<connections>
<connection>
<sender>buttonBox</sender>
<signal>accepted()</signal>
<receiver>s2pImportOptions</receiver>
<slot>accept()</slot>
<hints>
<hint type="sourcelabel">
<x>248</x>
<y>254</y>
</hint>
<hint type="destinationlabel">
<x>157</x>
<y>274</y>
</hint>
</hints>
</connection>
<connection>
<sender>buttonBox</sender>
<signal>rejected()</signal>
<receiver>s2pImportOptions</receiver>
<slot>reject()</slot>
<hints>
<hint type="sourcelabel">
<x>316</x>
<y>260</y>
</hint>
<hint type="destinationlabel">
<x>286</x>
<y>274</y>
</hint>
</hints>
</connection>
</connections>
</ui>

34
Software/PC_Application/VNA/tracewidgetvna.cpp
View File

@ -5,11 +5,14 @@
#include "Traces/tracetouchstoneexport.h"
#include "Traces/tracecsvexport.h"
#include "ui_tracewidget.h"
#include "ui_s2pImportOptions.h"
#include <QMenu>
TraceWidgetVNA::TraceWidgetVNA(TraceModel &model, QWidget *parent)
: TraceWidget(model, parent)
TraceWidgetVNA::TraceWidgetVNA(TraceModel &model, Calibration &cal, Deembedding &deembed, QWidget *parent)
: TraceWidget(model, parent),
cal(cal),
deembed(deembed)
{
auto exportMenu = new QMenu();
auto exportTouchstone = new QAction("Touchstone");
@ -68,9 +71,34 @@ void TraceWidgetVNA::importDialog()
i->show();
if(filename.endsWith(".s2p")) {
// potential candidate to process via calibration/de-embedding
connect(i, &TraceImportDialog::importFinsished, [](const std::vector<Trace*> &traces) {
connect(i, &TraceImportDialog::importFinsished, [=](const std::vector<Trace*> &traces) {
if(traces.size() == 4) {
// all traces imported, can calculate calibration/de-embedding
bool calAvailable = cal.nPoints() > 0;
bool deembedAvailable = deembed.getOptions().size() > 0;
if(calAvailable || deembedAvailable) {
// check if user wants to apply either one to the imported traces
auto dialog = new QDialog();
auto ui = new Ui::s2pImportOptions;
ui->setupUi(dialog);
ui->applyCal->setEnabled(calAvailable);
ui->deembed->setEnabled(deembedAvailable);
bool applyCal = false;
bool applyDeembed = false;
connect(ui->applyCal, &QCheckBox::toggled, [&](bool checked) {
applyCal = checked;
});
connect(ui->deembed, &QCheckBox::toggled, [&](bool checked) {
applyDeembed = checked;
});
dialog->exec();
if(applyCal) {
cal.correctTraces(*traces[0], *traces[1], *traces[2], *traces[3]);
}
if(applyDeembed) {
deembed.Deembed(*traces[0], *traces[1], *traces[2], *traces[3]);
}
}
}
});
}

7
Software/PC_Application/VNA/tracewidgetvna.h
View File

@ -2,17 +2,22 @@
#define TRACEWIDGETVNA_H
#include "Traces/tracewidget.h"
#include "Calibration/calibration.h"
#include "Deembedding/deembedding.h"
class TraceWidgetVNA : public TraceWidget
{
public:
TraceWidgetVNA(TraceModel &model, QWidget *parent = nullptr);
TraceWidgetVNA(TraceModel &model, Calibration &cal, Deembedding &deembed, QWidget *parent = nullptr);
protected slots:
virtual void exportDialog() override {};
virtual void importDialog() override;
protected:
virtual Trace::LiveParameter defaultParameter() override {return Trace::LiveParameter::S11;};
// These can optionally be applied when importing an s2p file
Calibration &cal;
Deembedding &deembed;
};
#endif // TRACEWIDGETVNA_H

60
Software/PC_Application/VNA/vna.cpp
View File

@ -44,6 +44,8 @@
#include <QErrorMessage>
#include "CustomWidgets/informationbox.h"
#include <QDebug>
#include "Deembedding/manualdeembeddingdialog.h"
#include "Calibration/manualcalibrationdialog.h"
VNA::VNA(AppWindow *window)
: Mode(window, "Vector Network Analyzer"),
@ -148,16 +150,51 @@ VNA::VNA(AppWindow *window)
import->show();
});
calMenu->addSeparator();
auto calApplyToTraces = calMenu->addAction("Apply to traces...");
calApplyToTraces->setEnabled(false);
connect(calApplyToTraces, &QAction::triggered, [=]() {
auto manualCalibration = new ManualCalibrationDialog(traceModel, &cal);
manualCalibration->show();
});
// portExtension.setCalkit(&cal.getCalibrationKit());
// De-embedding menu
auto menuDeembed = new QMenu("De-embedding", window);
window->menuBar()->insertMenu(window->getUi()->menuWindow->menuAction(), menuDeembed);
auto confDeembed = menuDeembed->addAction("Setup...");
connect(confDeembed, &QAction::triggered, &deembedding, &Deembedding::configure);
enableDeembeddingAction = menuDeembed->addAction("De-embed VNA samples");
enableDeembeddingAction->setCheckable(true);
enableDeembeddingAction->setEnabled(false);
connect(enableDeembeddingAction, &QAction::toggled, this, &VNA::EnableDeembedding);
auto manualDeembed = menuDeembed->addAction("De-embed traces...");
manualDeembed->setEnabled(false);
connect(manualDeembed, &QAction::triggered, [=]() {
auto manualDeembedding = new ManualDeembeddingDialog(traceModel, &deembedding);
manualDeembedding->show();
});
connect(&deembedding, &Deembedding::optionAdded, [=](){
EnableDeembedding(true);
enableDeembeddingAction->setEnabled(true);
manualDeembed->setEnabled(true);
});
connect(&deembedding, &Deembedding::allOptionsCleared, [=](){
EnableDeembedding(false);
enableDeembeddingAction->setEnabled(false);
manualDeembed->setEnabled(false);
});
// Tools menu
auto toolsMenu = new QMenu("Tools", window);
window->menuBar()->insertMenu(window->getUi()->menuWindow->menuAction(), toolsMenu);
actions.insert(toolsMenu->menuAction());
auto impedanceMatching = toolsMenu->addAction("Impedance Matching");
connect(impedanceMatching, &QAction::triggered, this, &VNA::StartImpedanceMatching);
auto confDeembed = toolsMenu->addAction("De-embedding");
connect(confDeembed, &QAction::triggered, &deembedding, &Deembedding::configure);
defaultCalMenu = new QMenu("Default Calibration", window);
assignDefaultCal = defaultCalMenu->addAction("Assign...");
@ -342,6 +379,7 @@ VNA::VNA(AppWindow *window)
cbEnableCal->blockSignals(false);
calImportTerms->setEnabled(false);
calImportMeas->setEnabled(false);
calApplyToTraces->setEnabled(false);
saveCal->setEnabled(false);
});
connect(calDisable, &QAction::triggered, this, &VNA::DisableCalibration);
@ -362,6 +400,7 @@ VNA::VNA(AppWindow *window)
cbEnableCal->blockSignals(false);
calImportTerms->setEnabled(true);
calImportMeas->setEnabled(true);
calApplyToTraces->setEnabled(true);
saveCal->setEnabled(true);
});
@ -378,7 +417,7 @@ VNA::VNA(AppWindow *window)
markerModel = new TraceMarkerModel(traceModel, this);
auto tracesDock = new QDockWidget("Traces");
tracesDock->setWidget(new TraceWidgetVNA(traceModel));
tracesDock->setWidget(new TraceWidgetVNA(traceModel, cal, deembedding));
window->addDockWidget(Qt::LeftDockWidgetArea, tracesDock);
docks.insert(tracesDock);
@ -532,6 +571,7 @@ nlohmann::json VNA::toJSON()
j["tiles"] = central->toJSON();
j["markers"] = markerModel->toJSON();
j["de-embedding"] = deembedding.toJSON();
j["de-embedding_enabled"] = deembedding_active;
return j;
}
@ -548,6 +588,9 @@ void VNA::fromJSON(nlohmann::json j)
}
if(j.contains("de-embedding")) {
deembedding.fromJSON(j["de-embedding"]);
EnableDeembedding(j.value("de-embedding_enabled", true));
} else {
EnableDeembedding(false);
}
}
@ -576,7 +619,9 @@ void VNA::NewDatapoint(Protocol::Datapoint d)
cal.correctMeasurement(d);
}
if(deembedding_active) {
deembedding.Deembed(d);
}
traceModel.addVNAData(d, settings);
emit dataChanged();
@ -766,6 +811,7 @@ void VNA::DisableCalibration(bool force)
{
if(calValid || force) {
calValid = false;
cal.resetErrorTerms();
emit CalibrationDisabled();
}
}
@ -902,3 +948,11 @@ void VNA::UpdateCalWidget()
calLabel->setStyleSheet(getCalStyle());
calLabel->setToolTip(getCalToolTip());
}
void VNA::EnableDeembedding(bool enable)
{
deembedding_active = enable;
enableDeembeddingAction->blockSignals(true);
enableDeembeddingAction->setChecked(enable);
enableDeembeddingAction->blockSignals(false);
}

6
Software/PC_Application/VNA/vna.h
View File

@ -58,7 +58,9 @@ private:
void StopSweep();
void StartCalibrationDialog(Calibration::Type type = Calibration::Type::None);
void UpdateCalWidget();
private slots:
void EnableDeembedding(bool enable);
private:
Protocol::SweepSettings settings;
unsigned int averages;
TraceModel traceModel;
@ -82,6 +84,8 @@ private:
QAction *saveCal;
Deembedding deembedding;
QAction *enableDeembeddingAction;
bool deembedding_active;
// Status Labels
QLabel *lAverages;

1001
Software/PC_Application/uncal.s2p Normal file
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