public int ExecuteTestSpurious(SystemHardware inSys, TestStructParameters m_Parameters, out TestStructResults m_Results)
{
#if Simulate
m_Results = new TestStructResults();
m_Results.m_MonitorInfo = new DUTMonitorInfo();
#region 获取遥测数据
DUTCtrl.CaptureDUTMonitorinfo(out m_Results.m_MonitorInfo);
#endregion
m_Results.m_SpuriousSuppression = 30;//杂波抑制度
m_Results.m_CarrierPower = m_Parameters.m_InputPower;
m_Results.m_SpuriousPower = m_Parameters.m_InputPower + 30;
m_Results.m_SpuriousFreq = m_Parameters.m_Freq + 100 * 1e6;
m_Results.m_TraceData = new KeyValuePair <double, double> [201];
for (int i = 0; i < 201; i++)
{
m_Results.m_TraceData[i] = new KeyValuePair <double, double>(10 * 1e6 + 200 * 1e6 * i, 10 * Math.Tan(Math.PI * i / 100));
}
return(0);
#endif
try
{
double m_StartFreq = m_Parameters.m_StartFreq;
double m_StopFreq = m_Parameters.m_StopFreq;
double Temp_LeftSideSpuriousFreq = -999;
double Temp_LeftSideSpuriousPower = -999;
double Temp_RightSideSpuriousFreq = -999;
double Temp_RightSideSpuriousPower = -999;
double Temp_RefLevle = -999; //参考功率，调节时功率测量时使用
double Temp_MaxPower = -999; //频谱中出现的最大功率
double Temp_Scale = 10; //频谱仪当前垂直尺度
double Temp_MarkerValue; //当前游标值
string Temp_SAFDOList = string.Empty;
m_Results = new TestStructResults();
#region 设备复位
m_SG = SystemHardware.Hardware <SignalGenerator> .GetElmentByName("RackSys.TestLab.Instrument.SignalGenerator1");
if (m_Parameters.m_FirstTest)
{
//信号源复位
//inSys.AnalogSignalGenerator.Preset();
//inSys.CurrentInstruments
m_SG.Preset();
//频谱仪复位
inSys.SpectrumAnalyzer.AutoAlignEnabled = false;
inSys.SpectrumAnalyzer.WaitOpc();
inSys.SpectrumAnalyzer.ModePreset();
inSys.SpectrumAnalyzer.WaitOpc();
}
#endregion 设备复位
#region 设备基础设置
//信号源设置
if (m_Parameters.m_FirstTest)
{
m_SG.RFFrequency = m_Parameters.m_SGFreq;
m_SG.AmplOffset = m_Parameters.m_SGOffsetValue;
m_SG.RFPower = m_Parameters.m_InputPower;
}
inSys.SpectrumAnalyzer.StartFrequency = m_Parameters.m_StartFreq;
inSys.SpectrumAnalyzer.StopFrequency = m_Parameters.m_StopFreq;
//频谱仪设置
if (m_Parameters.m_FirstTest)
{
//RBW设置
if (!m_Parameters.m_AutoRBW)
{
inSys.SpectrumAnalyzer.RBW = m_Parameters.m_RBW;
}
//VBW设置
if (!m_Parameters.m_AutoVBW)
{
inSys.SpectrumAnalyzer.VBW = m_Parameters.m_VBW;
}
//Scale设置
if (m_Parameters.m_AutoScale)
{
inSys.SpectrumAnalyzer.dBperDiv = 10;
}
else
{
inSys.SpectrumAnalyzer.dBperDiv = m_Parameters.m_Scale;
}
Temp_Scale = inSys.SpectrumAnalyzer.dBperDiv;//记录实际垂直标尺
//补偿表设置
for (int i = 0; i < 6; i++)
{
inSys.SpectrumAnalyzer.Set_CorrectionState(i + 1, false);
}
inSys.SpectrumAnalyzer.Set_CorrectionState(1, true);
//inSys.SpectrumAnalyzer.SetTraceMode(1, SpectrumAnalyzer.TriggerMode.);
inSys.SpectrumAnalyzer.SetDetectorMode(1, SpectrumAnalyzer.DetectorMode.POS);
inSys.SpectrumAnalyzer.SetMarkerModeByIndex(SpectrumAnalyzer.MarkerModeType.Position, 1);
//inSys.SpectrumAnalyzer.PeakExcursionStateOfNxtPkCriteria = false;
//扫描时间设置
if (m_Parameters.m_AutoSweepTime)
{
}
else
{
inSys.SpectrumAnalyzer.SweepTime = m_Parameters.m_SweepTime;
}
inSys.SpectrumAnalyzer.ContinuousSweepEnabled = true;
}
#endregion 设备基础设置
#region 设置变更
//偏置与补偿变更设置
if (m_Parameters.m_EditSGOffset)
{
m_SG.AmplOffset = -m_Parameters.m_SGOffsetValue;
m_SG.RFPower = m_Parameters.m_InputPower;
//m_DUTProtection.Sg_RFPower(inSys.AnalogSignalGenerator, m_Parameters.m_InputPower);
}
//频率变更设置
m_SG.RFFrequency = m_Parameters.m_SGFreq;
double ampoffset = m_Parameters.m_SAGlobalOffset;
inSys.SpectrumAnalyzer.AMP_Offset = -ampoffset;
#endregion
//inSys.SpectrumAnalyzer.MarkerToCenterFreq(1);
//inSys.SpectrumAnalyzer.ContinuousSweepEnabled = false;
inSys.SpectrumAnalyzer.Sweep(100000);
inSys.SpectrumAnalyzer.WaitOpc();
inSys.SpectrumAnalyzer.MarkerPeakSearch(1);
m_Results.m_NOSourcePower = inSys.SpectrumAnalyzer.Marker1Value;
m_SG.RFOutputEnabled = true;
inSys.SpectrumAnalyzer.WaitOpc();
Thread.Sleep(50);
//inSys.SpectrumAnalyzer.MarkerPeakSearch(1);
#region 测试载波参数
//inSys.SpectrumAnalyzer.CenterFrequency = m_Parameters.m_Freq;
//inSys.SpectrumAnalyzer.Span = m_Parameters.m_IgnoreBWidth;
//inSys.SpectrumAnalyzer.SetMarkerPositionByIndex(m_Parameters., 1);
#region 关闭平均以快速调整RefLvl
inSys.SpectrumAnalyzer.Averages = 1;
inSys.SpectrumAnalyzer.WaitOpc();
inSys.SpectrumAnalyzer.Sweep(100000);
inSys.SpectrumAnalyzer.WaitOpc();
for (int i = 0; i < 20; i++)
{
inSys.SpectrumAnalyzer.MarkerPeakSearch(1);
Temp_RefLevle = inSys.SpectrumAnalyzer.Marker1Value;
if (Temp_RefLevle < -170)
{
Temp_RefLevle = -170;
}
inSys.SpectrumAnalyzer.ReferenceLevel = Temp_RefLevle;
inSys.SpectrumAnalyzer.Sweep(100000);
inSys.SpectrumAnalyzer.WaitOpc();
Temp_MarkerValue = inSys.SpectrumAnalyzer.Marker1Value;
//检查markertoRef功能，是都已经调整到位。
if ((Temp_RefLevle - Temp_MarkerValue) > (Temp_Scale * -0.25) && (Temp_RefLevle - Temp_MarkerValue) < (Temp_Scale * 0.5))
{
break;
}
}
Temp_RefLevle = inSys.SpectrumAnalyzer.ReferenceLevel;
inSys.SpectrumAnalyzer.ReferenceLevel = Temp_RefLevle + Temp_Scale;
#endregion
//平均设置
if (m_Parameters.m_AverageFactor > 0)
{
inSys.SpectrumAnalyzer.Averages = (uint)m_Parameters.m_AverageFactor;
}
inSys.SpectrumAnalyzer.ContinuousSweepEnabled = false;
//扫描测量
inSys.SpectrumAnalyzer.Sweep(100000);
inSys.SpectrumAnalyzer.WaitOpc();
Thread.Sleep(50);
inSys.SpectrumAnalyzer.MarkerPeakSearch(1);
m_Results.m_CarrierPower = inSys.SpectrumAnalyzer.Marker1Value;
#endregion 测试载波参数
//通过计算获取杂波信号
//double[] Ytracedate=inSys.SpectrumAnalyzer.TraceDataByIndex(1);
//double[] Xtracedata= inSys.SpectrumAnalyzer.TraceXaxis;
//List<double> SpuriousList = new List<double>();
//for (int i = 0; i < Xtracedata.Count(); i++)
//{
// if (Xtracedata[i]< m_Parameters.m_SAFreq - m_Parameters.m_IgnoreBWidth / 2||
// Xtracedata[i] > m_Parameters.m_SAFreq + m_Parameters.m_IgnoreBWidth / 2)
// {
// SpuriousList.Add(Ytracedate[i]);
// }
//}
//m_Results.m_SpuriousPower = SpuriousList.Max();
//#region 测试左侧参数
if (m_StartFreq < (m_Parameters.m_SAFreq - m_Parameters.m_IgnoreBWidth / 2))
{
inSys.SpectrumAnalyzer.StartFrequency = m_StartFreq;
inSys.SpectrumAnalyzer.StopFrequency = m_Parameters.m_SAFreq - m_Parameters.m_IgnoreBWidth / 2;
if (m_Parameters.m_SweepPoints > 1001)
{
inSys.SpectrumAnalyzer.SweepPoints = 1001;
}
else
{
inSys.SpectrumAnalyzer.SweepPoints = m_Parameters.m_SweepPoints;
}
inSys.SpectrumAnalyzer.Sweep(100000 * (int)m_Parameters.m_AverageFactor);
inSys.SpectrumAnalyzer.WaitOpc();
inSys.SpectrumAnalyzer.MarkerPeakSearch(1);
Temp_LeftSideSpuriousPower = inSys.SpectrumAnalyzer.Marker1Value;
Temp_LeftSideSpuriousFreq = inSys.SpectrumAnalyzer.Marker1Position;
}
#endregion 测试左侧参数
#region 测试右侧参数
if (m_StopFreq > (m_Parameters.m_SAFreq + m_Parameters.m_IgnoreBWidth / 2))
{
inSys.SpectrumAnalyzer.StartFrequency = m_Parameters.m_SAFreq + m_Parameters.m_IgnoreBWidth / 2;
inSys.SpectrumAnalyzer.StopFrequency = m_StopFreq;
if (m_Parameters.m_SweepPoints > 1001)
{
inSys.SpectrumAnalyzer.SweepPoints = 1001;
}
else
{
inSys.SpectrumAnalyzer.SweepPoints = m_Parameters.m_SweepPoints;
}
inSys.SpectrumAnalyzer.Sweep(100000 * (int)m_Parameters.m_AverageFactor);
inSys.SpectrumAnalyzer.WaitOpc();
inSys.SpectrumAnalyzer.MarkerPeakSearch(1);
Temp_RightSideSpuriousPower = inSys.SpectrumAnalyzer.Marker1Value;
Temp_RightSideSpuriousFreq = inSys.SpectrumAnalyzer.Marker1Position;
}
#endregion 测试右侧参数
m_SG.RFOutputEnabled = false;
//#region 完成测试
//if (m_Parameters.m_LastTest)
//{
// if (m_Parameters.m_ContinueMeasAfterTest)//继续测量
// {
// inSys.SpectrumAnalyzer.ContinuousSweepEnabled = true;
// m_SG.RFOutputEnabled = true;
// }
// else//关闭信号源输出
// {
// m_SG.RFOutputEnabled = false;
// }
//}
//#endregion
#region 计算抑制度
if (Temp_LeftSideSpuriousPower >= Temp_RightSideSpuriousPower)
{
m_Results.m_SpuriousPower = Temp_LeftSideSpuriousPower;
m_Results.m_SpuriousFreq = Temp_LeftSideSpuriousFreq;
}
else
{
m_Results.m_SpuriousPower = Temp_RightSideSpuriousPower;
m_Results.m_SpuriousFreq = Temp_RightSideSpuriousFreq;
}
m_Results.m_SpuriousSuppression = m_Results.m_CarrierPower - m_Results.m_SpuriousPower;
#endregion 计算抑制度
return(0);
}
catch (Exception ex)
{
GlobalStatusReport.ReportError("[信号源 + 频谱仪] 杂波特性 核心测试异常：" + ex.StackTrace, ex);
throw ex;
}
}
/// <summary>
/// 执行测试过程
/// </summary>
/// <param name="inSys">SystemHardware</param>
/// <param name="m_NoiseFigureParameter">参数</param>
/// <param name="m_NoiseFigureTestResult">结果</param>
/// <returns>0：正常返回，，，，-1：强制中断</returns>
public static int ExecuteTest(
SystemHardware inSys,
NoiseFigureTestStructParameter m_NoiseFigureParameter,
out NoiseFigureTestStructResult m_NoiseFigureTestResult
)
{
try
{
#if Simulate
m_NoiseFigureTestResult = new NoiseFigureTestStructResult();
m_NoiseFigureTestResult.m_FreqList = m_NoiseFigureParameter.m_FreqList;
m_NoiseFigureTestResult.m_Gain = new double[m_NoiseFigureParameter.m_FreqList.Length];
m_NoiseFigureTestResult.m_NoiseFigure = new double[m_NoiseFigureParameter.m_FreqList.Length];
for (int i = 0; i < m_NoiseFigureTestResult.m_NoiseFigure.Length; i++)
{
m_NoiseFigureTestResult.m_NoiseFigure[i] = 3 + 0.1 * i;
}
//噪声系数最大值的仿真处理
m_NoiseFigureTestResult.m_NoiseFigureMax = 3 + 0.1 * (m_NoiseFigureTestResult.m_NoiseFigure.Length - 1);
//最大值频点位置
m_NoiseFigureTestResult.m_FreqForNoiseFigureMax
= m_NoiseFigureTestResult.m_FreqList[m_NoiseFigureTestResult.m_FreqList.Length - 1];
string ImagefileName = AppDomain.CurrentDomain.BaseDirectory + @"\屏幕截图仿真\噪声系数测试样图.png";
m_NoiseFigureTestResult.m_ScreenImage = Image.FromFile(ImagefileName);
Thread.Sleep(100);
DUTCtrl.CaptureDUTMonitorinfo(out tmpDutMonitorInfo);
GlobalStatusReport.Report("噪声系数测试：仿真测试结果");
return(0);
#endif
m_NoiseFigureTestResult = new NoiseFigureTestStructResult();
m_NoiseFigureTestResult.m_FreqList = m_NoiseFigureParameter.m_FreqList;
m_NoiseFigureTestResult.m_NoiseFigure = new double[m_NoiseFigureParameter.m_FreqList.Length];
m_NoiseFigureTestResult.m_Gain = new double[m_NoiseFigureParameter.m_FreqList.Length];
inSys.SpectrumAnalyzer.Timeout = 30 * 1000;
//inSys.SpectrumAnalyzer.SaveStateToPath("D:/User_My_Documents/Instrument/My Documents/SA/state/CalStateTemp.state");
//inSys.SpectrumAnalyzer.WaitOpc();
//频谱仪复位
inSys.SpectrumAnalyzer.AutoAlignEnabled = false;
inSys.SpectrumAnalyzer.WaitOpc();
inSys.SpectrumAnalyzer.Preset();
inSys.SpectrumAnalyzer.WaitOpc();
inSys.SpectrumAnalyzer.NoiseFigureMode();
inSys.SpectrumAnalyzer.WaitOpc();
inSys.SpectrumAnalyzer.ModePreset();
inSys.SpectrumAnalyzer.WaitOpc();
if (m_NoiseFigureParameter.m_RecallStateFileEnable)
{
inSys.SpectrumAnalyzer.LoadStateFromPath(m_NoiseFigureParameter.m_RecallStateFileName);
}
else
{
//无需调用原有的状态文件时，则重新调用当前状态，抵消仪表reset带来的影响。
inSys.SpectrumAnalyzer.LoadState("CalStateTemp");
}
inSys.SpectrumAnalyzer.SendSCPI(":NFIG:CAL:STAT ON");
inSys.SpectrumAnalyzer.WaitOpc();
//次数设置测试所使用的参数
//频谱仪设置
inSys.SpectrumAnalyzer.StartFrequency = m_NoiseFigureParameter.m_StartFerq;
inSys.SpectrumAnalyzer.WaitOpc();
inSys.SpectrumAnalyzer.StopFrequency = m_NoiseFigureParameter.m_StopFerq;
inSys.SpectrumAnalyzer.WaitOpc();
inSys.SpectrumAnalyzer.NF_RBW = m_NoiseFigureParameter.m_RBW;
inSys.SpectrumAnalyzer.WaitOpc();
inSys.SpectrumAnalyzer.Averages = m_NoiseFigureParameter.m_AverageNum;
inSys.SpectrumAnalyzer.WaitOpc();
inSys.SpectrumAnalyzer.SweepPoints = m_NoiseFigureParameter.m_SweepPoints;
inSys.SpectrumAnalyzer.WaitOpc();
//关闭连续扫描
inSys.SpectrumAnalyzer.ContinuousSweepEnabled = false;
inSys.SpectrumAnalyzer.WaitOpc();
//设置显示窗口Zoom，将Gain的曲线隐藏，调试时请屏蔽代码，用于观察信号。
//inSys.SpectrumAnalyzer.SelectDisplayWindow(1);
//inSys.SpectrumAnalyzer.WaitOpc();
//inSys.SpectrumAnalyzer.SetWindowZoom(true);
//inSys.SpectrumAnalyzer.WaitOpc();
inSys.SpectrumAnalyzer.SetNFWindowAutoScale(1, true);
inSys.SpectrumAnalyzer.WaitOpc();
inSys.SpectrumAnalyzer.SetNFWindowAutoScale(2, true);
inSys.SpectrumAnalyzer.WaitOpc();
inSys.SpectrumAnalyzer.SetDisPlayFormat(SpectrumAnalyzer.DisPlayModeType.GRAPh);
inSys.SpectrumAnalyzer.WaitOpc();
//路径补偿数据
//inSys.SpectrumAnalyzer.NoiseFigureLossCompModeBeforeDUT(SpectrumAnalyzer.NoiseFigureLossCompMode.TABL);
//inSys.SpectrumAnalyzer.WaitOpc();
//inSys.SpectrumAnalyzer.NoiseFigureLossCompModeAfterDUT(SpectrumAnalyzer.NoiseFigureLossCompMode.TABL);
//inSys.SpectrumAnalyzer.WaitOpc();
//inSys.SpectrumAnalyzer.SetLossCompTableBeforeDUT(m_NoiseFigureParameter.m_LossCompTabelBeforeDUT); //2014.3.11改变噪声系数补偿方式，不采用beforeDUT，afterDUT的补偿方式，改为程序自己计算。苏渊红。
//inSys.SpectrumAnalyzer.WaitOpc();
//inSys.SpectrumAnalyzer.SetLossCompTableAfterDUT(m_NoiseFigureParameter.m_LossCompTabelAfterDUT);
//inSys.SpectrumAnalyzer.WaitOpc();
//启动扫描一次
inSys.SpectrumAnalyzer.Sweep();
//inSys.SpectrumAnalyzer.WaitOpc();
inSys.SpectrumAnalyzer.WaitOpc(Convert.ToInt32(m_NoiseFigureParameter.m_SweepPoints * m_NoiseFigureParameter.m_AverageNum * 1000));
//读取噪声系数测试结果
inSys.SpectrumAnalyzer.SetMarkerModeByIndex(SpectrumAnalyzer.MarkerModeType.Position, 1);
inSys.SpectrumAnalyzer.WaitOpc();
double temp_maxNF = 0;
double temp_maxNFFreq = 0;
for (int i = 0; i < m_NoiseFigureParameter.m_FreqList.Length; i++)
{
inSys.SpectrumAnalyzer.SetMarkerPositionByIndex(m_NoiseFigureParameter.m_FreqList[i], 1);
inSys.SpectrumAnalyzer.WaitOpc();
double tempNF = inSys.SpectrumAnalyzer.GetMarkerNFValueByIndex(1);
inSys.SpectrumAnalyzer.WaitOpc();
double tempGain = inSys.SpectrumAnalyzer.GetMarkerGainValueByIndex(1);
inSys.SpectrumAnalyzer.WaitOpc();
m_NoiseFigureTestResult.m_NoiseFigure[i] = Math.Round(tempNF, 2);
m_NoiseFigureTestResult.m_Gain[i] = Math.Round(tempGain, 2);
//add 2014.03.11，噪声系数计算公式--根据总的噪声系数和增益，计算被测DUT实际的噪声系数
#region 真实噪声系数计算
NoseFigureCalResult RealNFResult = new NoseFigureCalResult();
//todo
double inputRouteLossIndB = 0;
//m_NoiseFigureParameter.m_InputRouteLossCalResultForOnePath.GetRouteLossIndBAtFreq(m_NoiseFigureParameter.m_FreqList[i]);
double outputRouteLossIndB =
0;
NoisFigureCalculation(inputRouteLossIndB, outputRouteLossIndB, tempNF, tempGain, out RealNFResult);
m_NoiseFigureTestResult.m_NoiseFigure[i] = Math.Round(RealNFResult.RealNoiseFigure, 2);
m_NoiseFigureTestResult.m_Gain[i] = Math.Round(RealNFResult.RealGain, 2);
if (m_NoiseFigureTestResult.m_NoiseFigure[i] > temp_maxNF)//追踪最大噪声系数的点
{
temp_maxNF = m_NoiseFigureTestResult.m_NoiseFigure[i];
temp_maxNFFreq = m_NoiseFigureParameter.m_FreqList[i];
}
#endregion 真实噪声系数计算
}
if (m_NoiseFigureParameter.m_IsReadMaxNoiseFigure)
{
m_NoiseFigureTestResult.m_NoiseFigureMax = temp_maxNF;
m_NoiseFigureTestResult.m_FreqForNoiseFigureMax = temp_maxNFFreq;
}
if (m_NoiseFigureParameter.Yscale > 0) // Scale大于零这进行设置，如果不是大于0，代表采用Auto
{
string YscaleString = m_NoiseFigureParameter.Yscale.ToString();
inSys.SpectrumAnalyzer.SendSCPI("DISP:WIND:TRAC:Y:PDIV " + YscaleString);
inSys.SpectrumAnalyzer.WaitOpc();
}
m_NoiseFigureTestResult.m_ScreenImage = inSys.SpectrumAnalyzer.CaptureScreenImage();
//重置仪表
//inSys.SpectrumAnalyzer.Preset();
//inSys.SpectrumAnalyzer.WaitOpc();
//判断是否进行调试模式，如果是，则不关闭激励，并且将仪器扫描方式改成连续扫描
if (m_NoiseFigureParameter.m_NeedContinuousScanning)
{
inSys.SpectrumAnalyzer.ContinuousSweepEnabled = true;
inSys.SpectrumAnalyzer.WaitOpc();
}
inSys.SpectrumAnalyzer.Timeout = 10 * 1000;
return(0);
}
catch (Exception ex)
{
GlobalStatusReport.ReportError(ex);
throw ex;
}
}
