/// <summary>Configures common settings for the ACP measurement and selects the measurement.</summary>
/// <param name="specAn">Specifies the SpecAn signal to configure.</param>
/// <param name="acpConfig">Specifies the ACP settings to apply.</param>
/// <param name="selectorString">Pass an empty string. The signal name that is passed when creating the signal configuration is used. See the RFmx help for more documention of this parameter.</param>
public static void ConfigureAcp(RFmxSpecAnMX specAn, AcpConfiguration acpConfig, string selectorString = "")
{
specAn.SelectMeasurements(selectorString, RFmxSpecAnMXMeasurementTypes.Acp, false);
specAn.Acp.Configuration.ConfigurePowerUnits(selectorString, acpConfig.PowerUnits);
specAn.Acp.Configuration.ConfigureAveraging(selectorString, acpConfig.AveragingEnabled, acpConfig.AveragingCount, acpConfig.AveragingType);
specAn.Acp.Configuration.ConfigureFft(selectorString, acpConfig.FftWindow, acpConfig.FftPadding);
specAn.Acp.Configuration.ConfigureRbwFilter(selectorString, acpConfig.RbwAuto, acpConfig.Rbw_Hz, acpConfig.RbwFilterType);
specAn.Acp.Configuration.ConfigureSweepTime(selectorString, acpConfig.SweepTimeAuto, acpConfig.SweepTimeInterval_s);
specAn.Acp.Configuration.ConfigureNumberOfCarriers(selectorString, acpConfig.ComponentCarrierConfiguration.Length);
for (int i = 0; i < acpConfig.ComponentCarrierConfiguration.Length; i++)
{
string carrierString = RFmxSpecAnMX.BuildCarrierString2(selectorString, i);
AcpComponentCarrierConfiguration carrierConfiguration = acpConfig.ComponentCarrierConfiguration[i];
specAn.Acp.Configuration.ConfigureCarrierIntegrationBandwidth(carrierString, carrierConfiguration.IntegrationBandwidth_Hz);
specAn.Acp.Configuration.ConfigureCarrierFrequency(carrierString, carrierConfiguration.Frequency_Hz);
specAn.Acp.Configuration.ConfigureCarrierRrcFilter(carrierString, carrierConfiguration.RrcFilterEnabled, carrierConfiguration.RrcAlpha);
specAn.Acp.Configuration.ConfigureCarrierMode(carrierString, carrierConfiguration.Mode);
}
specAn.Acp.Configuration.ConfigureNumberOfOffsets(selectorString, acpConfig.OffsetChannelConfiguration.Length);
for (int i = 0; i < acpConfig.OffsetChannelConfiguration.Length; i++)
{
string offsetString = RFmxSpecAnMX.BuildOffsetString2(selectorString, i);
AcpOffsetChannelConfiguration offsetConfiguration = acpConfig.OffsetChannelConfiguration[i];
specAn.Acp.Configuration.ConfigureOffsetIntegrationBandwidth(offsetString, offsetConfiguration.IntegrationBandwidth_Hz);
specAn.Acp.Configuration.ConfigureOffset(offsetString, offsetConfiguration.Frequency_Hz, offsetConfiguration.SideBand, offsetConfiguration.Enabled);
specAn.Acp.Configuration.ConfigureOffsetPowerReference(offsetString, offsetConfiguration.PowerReferenceCarrier, offsetConfiguration.PowerReferenceSpecificIndex);
specAn.Acp.Configuration.ConfigureOffsetRelativeAttenuation(offsetString, offsetConfiguration.RelativeAttenuation_dB);
specAn.Acp.Configuration.ConfigureOffsetRrcFilter(offsetString, offsetConfiguration.RrcFilterEnabled, offsetConfiguration.RrcAlpha);
}
}
/// <summary>Fetches common results from the ACP measurement.</summary>
/// <param name="specAn">Specifies the SpecAn signal to fetch results from.</param>
/// <param name="selectorString">(Optional) Specifies the result name. See the RFmx help for more documentation of this parameter.</param>
/// <returns>Common ACP measurement results.</returns>
public static AcpResults FetchAcp(RFmxSpecAnMX specAn, string selectorString = "")
{
double[] lowerRelativePower = null;
double[] upperRelativePower = null;
double[] lowerAbsolutePower = null;
double[] upperAbsolutePower = null;
specAn.Acp.Results.FetchOffsetMeasurementArray(selectorString, 10.0,
ref lowerRelativePower, ref upperRelativePower, ref lowerAbsolutePower, ref upperAbsolutePower);
AcpResults results = new AcpResults()
{
OffsetResults = new AcpOffsetResults[lowerRelativePower.Length]
};
for (int i = 0; i < lowerRelativePower.Length; i++)
{
string offsetString = RFmxSpecAnMX.BuildOffsetString2(selectorString, i);
specAn.Acp.Configuration.GetOffsetFrequency(offsetString, out double offsetFrequency);
specAn.Acp.Configuration.GetOffsetIntegrationBandwidth(offsetString, out double offsetIbw);
results.OffsetResults[i] = new AcpOffsetResults()
{
LowerRelativePower_dB = lowerRelativePower[i],
UpperRelativePower_dB = upperRelativePower[i],
LowerAbsolutePower_dBm_or_dBmHz = lowerAbsolutePower[i],
UpperAbsolutePower_dBm_or_dBmHz = upperAbsolutePower[i],
Frequency_Hz = offsetFrequency,
IntegrationBandwidth_Hz = offsetIbw
};
}
specAn.Acp.Configuration.GetNumberOfCarriers(selectorString, out int numCarrierChannels);
results.ComponentCarrierResults = new AcpComponentCarrierResults[numCarrierChannels];
for (int i = 0; i < numCarrierChannels; i++)
{
string carrierString = RFmxSpecAnMX.BuildCarrierString2(selectorString, i);
AcpComponentCarrierResults componentCarrierResults;
specAn.Acp.Results.FetchCarrierMeasurement(carrierString, 10.0, out componentCarrierResults.AbsolutePower_dBm_or_dBmHz,
out componentCarrierResults.TotalRelativePower_dB, out componentCarrierResults.Frequency_Hz, out componentCarrierResults.IntegrationBandwidth_Hz);
results.ComponentCarrierResults[i] = componentCarrierResults;
}
specAn.Acp.Results.FetchTotalCarrierPower(selectorString, 10.0, out results.TotalCarrierPower_dBm_or_dBmHz);
return(results);
}
/// <summary>Configures common pre-DPD CFR settings and applies CFR to the reference waveform, which is returned by the function.</summary>
/// <param name="specAn">Specifies the SpecAn signal to configure.</param>
/// <param name="referenceWaveform">Specifies the <see cref="Waveform"/> whose data defines the complex baseband equivalent of the RF signal on which the
/// pre-DPD signal conditioning is applied. See the RFmx help for more documention of this parameter.</param>
/// <param name="preDpdCfrConfig">Specifies common pre-DPD CFR settings to apply.</param>
/// <param name="selectorString">Pass an empty string. The signal name that is passed when creating the signal configuration is used.
/// See the RFmx help for more documention of this parameter.</param>
/// <returns>The reference waveform with CFR applied.</returns>
public static Waveform ConfigurePreDpdCrestFactorReduction(RFmxSpecAnMX specAn, Waveform referenceWaveform, PreDpdCrestFactorReductionConfiguration preDpdCfrConfig, string selectorString = "")
{
Waveform preDpdCfrWaveform = referenceWaveform;
RFmxSpecAnMXDpdApplyDpdIdleDurationPresent preDpdCfrIdlePresent = preDpdCfrWaveform.IdleDurationPresent ?
RFmxSpecAnMXDpdApplyDpdIdleDurationPresent.True : RFmxSpecAnMXDpdApplyDpdIdleDurationPresent.False;
specAn.Dpd.PreDpd.SetCfrEnabled(selectorString, preDpdCfrConfig.Enabled);
specAn.Dpd.PreDpd.SetCfrMethod(selectorString, preDpdCfrConfig.Method);
specAn.Dpd.PreDpd.SetCfrMaximumIterations(selectorString, preDpdCfrConfig.MaxIterations);
specAn.Dpd.PreDpd.SetCfrTargetPapr(selectorString, preDpdCfrConfig.TargetPapr_dB);
specAn.Dpd.PreDpd.SetCfrWindowType(selectorString, preDpdCfrConfig.WindowType);
specAn.Dpd.PreDpd.SetCfrWindowLength(selectorString, preDpdCfrConfig.WindowLength);
specAn.Dpd.PreDpd.SetCfrShapingFactor(selectorString, preDpdCfrConfig.ShapingFactor);
specAn.Dpd.PreDpd.SetCfrShapingThreshold(selectorString, preDpdCfrConfig.ShapingThreshold_dB);
specAn.Dpd.PreDpd.SetCfrFilterEnabled(selectorString, preDpdCfrConfig.FilterEnabled);
specAn.Dpd.PreDpd.SetCfrNumberOfCarriers(selectorString, preDpdCfrConfig.CarrierChannels.Length);
// Configure the carrier channels
for (int i = 0; i < preDpdCfrConfig.CarrierChannels.Length; i++)
{
string carrierString = RFmxSpecAnMX.BuildCarrierString2(selectorString, i);
specAn.Dpd.PreDpd.SetCarrierOffset(carrierString, preDpdCfrConfig.CarrierChannels[i].Offset_Hz);
specAn.Dpd.PreDpd.SetCarrierBandwidth(carrierString, preDpdCfrConfig.CarrierChannels[i].Bandwidth_Hz);
}
// Only call Apply Pre-DPD CFR and modify the waveform if Pre-DPD CFR is enabled
if (preDpdCfrConfig.Enabled == RFmxSpecAnMXDpdPreDpdCfrEnabled.True)
{
// Configure the new waveform
preDpdCfrWaveform.Data = referenceWaveform.Data.Clone(); // clone waveform so RFmx can't act on reference waveform
preDpdCfrWaveform.UpdateNameAndScript(referenceWaveform.Name + "preDPDCFR");
// Apply CFR and return
specAn.Dpd.PreDpd.ApplyPreDpdSignalConditioning(selectorString, referenceWaveform.Data, preDpdCfrIdlePresent, ref preDpdCfrWaveform.Data, out preDpdCfrWaveform.PAPR_dB);
}
return(preDpdCfrWaveform);
}