public ComplexWaveform <ComplexSingle> ConvertComplexSingleToNiComplexWaveformFormat(ComplexSingle[] data, double sRate)
{
double absoluteInitialX = 0; // -0.000005;
double IQmag = 0, IQmax = 0;
double[] arrMag = new double[data.Length];
ComplexWaveform <ComplexSingle> target = new ComplexWaveform <ComplexSingle>(data.Length);
var targetBuffer = target.GetWritableBuffer();
for (int i = 0; i < data.Length; i++)
{
targetBuffer[i] = new ComplexSingle(data[i].Real, data[i].Imaginary);
IQmag = Math.Sqrt(Math.Pow(data[i].Real, 2) + Math.Pow(data[i].Imaginary, 2));
arrMag[i] = IQmag;
if (IQmag > 1.0)
{
//Console.WriteLine("IQmag = " + IQmag.ToString() + "\nArrayElement = " + i.ToString());
if (IQmag > IQmax)
{
IQmax = IQmag;
}
}
}
target.PrecisionTiming = PrecisionWaveformTiming.CreateWithRegularInterval(
new PrecisionTimeSpan(1.0 / sRate),
new PrecisionTimeSpan(absoluteInitialX));
Console.WriteLine("IQmax = " + IQmax.ToString());
return(target);
}
public void writeWaveform(ComplexWaveform <ComplexDouble> IQdata) //input is complex waveform that was created using createWaveform(offsets);
{
//rest of code to write offsets
ComplexWaveform <ComplexDouble> NewIQData = new ComplexWaveform <ComplexDouble>(numSamples);
//List<PhaseAmplitudeOffset> offsetList = new List<PhaseAmplitudeOffset>();
PrecisionTimeSpan dt = PrecisionTimeSpan.FromSeconds(1 / actualIQRate);
IQdata.PrecisionTiming = PrecisionWaveformTiming.CreateWithRegularInterval(dt);
_rfsgSession.Arb.WriteWaveform("", IQdata);
_rfsgSession.Initiate();
//ComplexWaveform<ComplexDouble> IQdata
}
public void TestOfflineAnalysisSingleCarrierTdd()
{
RFmxInstrMX instr = new RFmxInstrMX("", "AnalysisOnly=1");
RFmxLteMX lte = instr.GetLteSignalConfiguration();
ConfigureCommon(lte, CommonConfiguration.GetDefault());
StandardConfiguration signalConfig = StandardConfiguration.GetDefault();
signalConfig.DuplexScheme = RFmxLteMXDuplexScheme.Tdd;
ConfigureStandard(lte, signalConfig);
ModAccConfiguration modAccConfig = ModAccConfiguration.GetDefault();
modAccConfig.MeasurementOffset = 4;
ConfigureModAcc(lte, modAccConfig);
lte.Commit("");
instr.GetRecommendedIQPreTriggerTime("", out double pretriggerTime);
PrecisionTimeSpan timeOffset = new PrecisionTimeSpan(-pretriggerTime);
Waveform wfm = LoadWaveformFromTDMS(@"Support Files\LTE_TDD_2.0.tdms");
Buffer <ComplexSingle> readBuffer = wfm.Data.GetBuffer(true);
WritableBuffer <ComplexSingle> writeBuffer = wfm.Data.GetWritableBuffer();
int sampleOffset = (int)Math.Round(pretriggerTime * wfm.SampleRate);
for (int i = 0; i < readBuffer.Size; i++)
{
writeBuffer[i] = readBuffer[(i - sampleOffset + readBuffer.Size) % readBuffer.Size];
}
wfm.Data.PrecisionTiming = PrecisionWaveformTiming.CreateWithRegularInterval(
wfm.Data.PrecisionTiming.SampleInterval, timeOffset);
lte.AnalyzeIQ("", "", wfm.Data, true, out _);
ModAccResults modAccResults = FetchModAcc(lte);
instr.Close();
Assert.IsTrue(modAccResults.ComponentCarrierResults[0].MeanRmsCompositeEvm < 0.001);
}
public PowerServoTest[] BuildPwrServoTest(string strWaveform, string strWaveformName, S_NoiseConfig[] noiseConfig)
{
var pwrServoSite = new PowerServoTest[testSite];
for (int i = 0; i < testSite; i++)
{
#region Load waveform (CW or from file)
ComplexDouble[] iqDataArr;
s_SignalType value = new s_SignalType();
Get_s_SignalType(strWaveform, strWaveformName, out value);
if (value.signalMode == "CW")
{
iqDataCW_Array(out iqDataArr);
}
else
{
iqData_Array(value.SG_IPath, value.SG_QPath, out iqDataArr);
}
var iqWaveform = ComplexWaveform <ComplexDouble> .FromArray1D(iqDataArr);
iqWaveform.PrecisionTiming = PrecisionWaveformTiming.CreateWithRegularInterval(new PrecisionTimeSpan(1 / value.SG_IQRate));
#endregion
//pass configuration to Contact global config
pwrServoSite[i] = new PowerServoTest(
VST[i],
waveformName: strWaveformName,
waveform: iqWaveform,
centerFrequency: noiseConfig[i].TXFrequencyStart,
powerLevel: noiseConfig[i].SGPowerLevel
);
}
return(pwrServoSite);
}
public NoiseFloorTest[] BuildNFTest(string strWaveform, string strWaveformName, S_NoiseConfig[] noiseConfig)
{
var nfSite = new NoiseFloorTest[testSite];
for (int i = 0; i < testSite; i++)
{
#region decode and re-arrange multiple bandwidth (Ascending)
int multiRBW_cnt = 0;
int bw_cnt = 0;
double[] multiRBW_Hz = new double[noiseConfig[i].Bandwidths.Length];
Array.Sort(noiseConfig[i].Bandwidths);
foreach (double key in noiseConfig[i].Bandwidths)
{
multiRBW_Hz[bw_cnt] = Convert.ToDouble(key);
bw_cnt++;
}
multiRBW_cnt = multiRBW_Hz.Length;
noiseConfig[i].Rbw = multiRBW_Hz[multiRBW_cnt - 1]; //the largest RBW is the last in array
#endregion
#region Load waveform (CW or from file)
ComplexDouble[] iqDataArr;
s_SignalType value = new s_SignalType();
Get_s_SignalType(strWaveform, strWaveformName, out value);
if (value.signalMode == "CW")
{
iqDataCW_Array(out iqDataArr);
}
else
{
iqData_Array(value.SG_IPath, value.SG_QPath, out iqDataArr);
}
var iqWaveform = ComplexWaveform <ComplexDouble> .FromArray1D(iqDataArr);
iqWaveform.PrecisionTiming = PrecisionWaveformTiming.CreateWithRegularInterval(new PrecisionTimeSpan(1 / value.SG_IQRate));
#endregion
//pass configuration to Contact global config
nfSite[i] = new NoiseFloorTest(
VST[i],
waveformName: strWaveformName,
waveform: iqWaveform,
numberOfRuns: noiseConfig[i].NumberOfRuns,
band: noiseConfig[i].Band,
dwellTime: noiseConfig[i].DwellTime,
soakTime: noiseConfig[i].SoakTime,
soakFrequency: noiseConfig[i].TXFrequencyStart,
preSoakSweep: noiseConfig[i].preSoakSweep,
txStartFrequency: noiseConfig[i].TXFrequencyStart,
txStopFrequency: noiseConfig[i].TXFrequencyStop,
frequencyStep: noiseConfig[i].TXFrequencyStep,
rxStartFrequency: noiseConfig[i].RXFrequencyStart,
rxStopFrequency: noiseConfig[i].RXFrequencyStop,
saReferenceLevel: noiseConfig[i].SAReferenceLevel,
sgPowerLevel: noiseConfig[i].SGPowerLevel,
vbw: noiseConfig[i].Vbw
);
nfSite[i].bandwidths = multiRBW_Hz;
}
return(nfSite);
}
