static void GetSensitivity()
{
StringBuilder sb = new StringBuilder();
List <Point> listPoint = new List <Point>();
try
{
//测量数量 衰减初始值 步进
int testCount = 10;
double initialValue = 26;
double interval = 0.5;
Point point = new Point();
for (int i = 0; i < testCount; i++)
{
//Hp8156.Open();
Hp8156.SetAtt(initialValue.ToString());
point.X = initialValue;
initialValue += interval;
//sb.Append(point.X.ToString());
Thread.Sleep(1000);
string errorRate = Mp.GetErrorRate();
string str = errorRate.Substring(2);
//Error rate
double.TryParse(str.Trim(), out double result);
//判定当结果不为0时
if (result > 0)
{
//取对数
point.Y = Math.Log10(result);
listPoint.Add(point);
}
Console.WriteLine("X:{0},Y:{1}", point.X, point.Y);
}
Console.WriteLine();
//噪声过滤
while (IsCountChanged && listPoint.Count > 5)
{
listPoint = PointFilter(listPoint);
}
Console.WriteLine();
foreach (var item in listPoint)
{
Console.WriteLine("X:{0},Y:{1}", item.X, item.Y);
}
//计算灵敏度
SenPara = LinearRegression(listPoint);
//灵敏度计算条件：Error rate@E-3
SenPara.Sensitive = (-3 - SenPara.RCA) / SenPara.RCB;
}
catch
{
}
}
static void Main(string[] args)
{
string supplyCurrent;
string outputPower;
double voltage = 0;
double ini = 28.0;
double span = 0.2;
double sd_Desserted = 0, sd_Asserted = 0, hysis = 0;
string crossing;
string extiRatio;
string jitter;
string maskMargin;
string sensitivity;
bool saturation;
bool txDisable;
try
{
AgE3631 = new AglientE3631A("9");
Keith = new Keithley("24");
Hp8156 = new HP8156A("22");
Mp = new MP2100A("16");
Hp8153 = new HP8153A("5");
Console.WriteLine(Keith.GetIdn());
Console.WriteLine(Hp8156.GetIdn());
Console.WriteLine(Mp.GetIdn());
Console.WriteLine(Hp8153.GetIdn());
Console.WriteLine(AgE3631.GetIdn());
AgE3631.Open();
Hp8156.Open();
supplyCurrent = AgE3631.GetCurrent();
outputPower = Hp8153.ReadPower("2");
Console.WriteLine("Supply Current:{0}", supplyCurrent);
Console.WriteLine("Output Power:{0}", outputPower);
Console.WriteLine();
Mp.AutoScale();
Keith.SetMeasureVoltageOnlyPara("10");
Keith.Open();
//SD_Desserted, SD_High
for (int i = 0; i <= 40; i++)
{
Hp8156.SetAtt(ini.ToString());
Thread.Sleep(300);
voltage = GetKeithData();
Thread.Sleep(200);
if (voltage >= 2.0)
{
sd_Desserted = ini;
break;
}
else
{
ini += span;
}
}
Console.WriteLine("SDHigh:{0}", voltage);
Console.WriteLine("SdDesserted:{0}", sd_Desserted);
Console.WriteLine();
//SD_Asserted,SD_Low
for (int i = 0; i < 40; i++)
{
Hp8156.SetAtt(ini.ToString());
Thread.Sleep(300);
voltage = GetKeithData();
Thread.Sleep(300);
if (voltage <= 0.5)
{
sd_Asserted = ini;
break;
}
else
{
ini -= 0.1;
}
}
Console.WriteLine("SdLow:{0}", voltage);
Console.WriteLine("SdAsserted:{0}", sd_Asserted);
hysis = sd_Desserted - sd_Asserted;
Console.WriteLine("Hys:{0}", hysis);
Console.WriteLine();
Hp8156.SetAtt("28");
Thread.Sleep(2000);
#region Mp2100
crossing = Mp.GetCrossing();
extiRatio = Mp.GetER();
Console.WriteLine("Crossing:{0}", crossing);
Console.WriteLine("Extinction Ratio:{0}", extiRatio);
jitter = Mp.GetJitter();
maskMargin = Mp.GetMaskMargin();
Console.WriteLine("Jitter:{0}", jitter);
Console.WriteLine("Mask Margin:{0}", maskMargin);
Console.WriteLine();
//Sensitivity
GetSensitivity();
sensitivity = SenPara.Sensitive.ToString();
Console.WriteLine("Sensitivity:{0}", sensitivity);
#endregion
//Saturation
Hp8156.SetAtt("9");
Thread.Sleep(2000);
Console.WriteLine();
for (int i = 0; i < 5; i++)
{
Console.WriteLine("Saturation:{0}", Mp.GetErrorRate());
Thread.Sleep(1000);
}
Hp8156.Close();
Hp8156.SetAtt("28");
AgE3631.SetOutput("25", "2.0", "0.5");
Thread.Sleep(1000);
Console.WriteLine("TxDisable:{0}", Hp8153.ReadPower("2"));
Console.WriteLine("测试完成");
Console.ReadKey();
Keith.Close();
AgE3631.Close();
Dispose();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.ReadKey();
}
}
/// <summary>
/// 终测命令
/// </summary>
private void ExecuteTest()
{
bool isSaveData = false;
StringBuilder strBuild = new StringBuilder();
IsTestEnable = false;
try
{
//另一线程执行该方法
Thread thread = new Thread(() =>
{
//SN
if (!string.IsNullOrEmpty(SN))
{
TestingPara.SN = SN;
}
//GPIB通信
if (IsReady)
{
double ini = IniAtt;
double span = 0.2;
double voltage;
double saturation = 0;
//Hp8156A.Open();
Mp2100A.AutoScale();
Aq6317B.SetSingle();
//Supply Current
SupplyCurrent = AgE3631A.GetCurrent();
TestingPara.SupplyCurrent = SupplyCurrent.ToString("F3");
//OutputPower
OutputPower = Hp8153A.ReadPower("2");
TestingPara.OutputPower = OutputPower.ToString("F3");
//SD_Desserted SD_High
for (int i = 0; i <= 40; i++)
{
Hp8156A.SetAtt(ini.ToString());
Thread.Sleep(300);
voltage = Ag34401A.GetVoltage();
Thread.Sleep(100);
if (i == 0 && voltage >= 2.0)
{
MessageBox.Show("初始即为高电压，请检查设备连接！", "系统提示");
return;
}
if (voltage >= 2.0)
{
SdDesserted = ini;
TestingPara.SD_Desserted = SdDesserted.ToString();
SDHigh = voltage;
TestingPara.SD_High = SDHigh.ToString("F3");
//SdDesserted SdHigh
strBuild.Append(string.Format("SdDesserted:{0}", SdDesserted));
strBuild.Append(string.Format("SdHigh:{0}", SDHigh));
DisplayInfo = strBuild.ToString();
break;
}
else
{
ini += span;
if (i == 40)
{
strBuild.Append("获取SdDesserted失败！");
DisplayInfo = strBuild.ToString();
}
}
}
;
//SD_Asserted,SD_Low
for (int i = 0; i <= 30; i++)
{
Hp8156A.SetAtt(ini.ToString());
Thread.Sleep(200);
voltage = Ag34401A.GetVoltage();
Thread.Sleep(100);
if (voltage < 0.5)
{
SdAsserted = ini;
TestingPara.SD_Asserted = SdAsserted.ToString();
SDLow = voltage;
TestingPara.SD_Low = SDLow.ToString();
strBuild.Append(string.Format("SdAsserted:{0}", SdAsserted));
strBuild.Append(string.Format("SdLow:{0}", SDLow));
DisplayInfo = strBuild.ToString();
break;
}
else
{
ini -= span;
if (i == 30)
{
strBuild.Append("获取SdAsserted失败");
DisplayInfo = strBuild.ToString();
}
}
}
//Hysteresis
Hysteresis = SdDesserted = SdAsserted;
TestingPara.Hysteresis = Hysteresis.ToString();
#region MP2100
Hp8156A.SetAtt(IniAtt.ToString());
//Exit.Ratio
ExtiRatio = Mp2100A.GetExRatio();
TestingPara.ExtioRatio = ExtiRatio.ToString("F3");
strBuild.Append(string.Format("Extinction Ratio:{0}", ExtiRatio));
DisplayInfo = strBuild.ToString();
//Crossing
CrossingRate = Mp2100A.GetCrossing();
TestingPara.Crossing = CrossingRate.ToString("F3");
strBuild.Append(string.Format("CrossingRate:{0}", CrossingRate));
DisplayInfo = strBuild.ToString();
//MaskMargin
MaskMargin = Mp2100A.GetMaskMargin();
TestingPara.MaskMargin = MaskMargin.ToString("F3");
strBuild.Append(string.Format("Mask Margin:{0}", MaskMargin));
DisplayInfo = strBuild.ToString();
//Jitter
Jitter = Mp2100A.GetJitter();
TestingPara.Jitter = Jitter.ToString("F3");
strBuild.Append(string.Format("Jitter:{0}", Jitter));
DisplayInfo = strBuild.ToString();
Thread.Sleep(2000);
//OSA
string osaData = Aq6317B.GetData();
string[] data = osaData.Split(',');
//CenterWavelength
if (double.TryParse(data[1].Trim(), out double data1))
{
CenterWavelength = data1;
}
else
{
CenterWavelength = 0;
}
TestingPara.CenterWavelength = CenterWavelength.ToString();
//SMSR
if (double.TryParse(data[4].Trim(), out double data4))
{
SMSR = data4;
}
else
{
SMSR = 0;
}
TestingPara.SMSR = SMSR.ToString();
//WavelengthDiff
if (double.TryParse(data[0].Trim(), out double data0))
{
DifferenceWavelength = data0;
}
else
{
DifferenceWavelength = 0;
}
TestingPara.WavelengthDiff = DifferenceWavelength.ToString();
strBuild.AppendLine(string.Format("中心波长:{0}", CenterWavelength));
strBuild.AppendLine(string.Format("Δλ:{0}", DifferenceWavelength));
strBuild.AppendLine(string.Format("SMSR:{0}", SMSR));
DisplayInfo = strBuild.ToString();
//Sensitivity
Sensitivity = Math.Round(GetSensitivity(), 2);
TestingPara.Sensitivity = Sensitivity.ToString();
strBuild.Append(string.Format("Sensitivity:{0}", Sensitivity));
DisplayInfo = strBuild.ToString();
#endregion
Thread.Sleep(300);
//Saturation
//测试饱和度 设置 衰减
Hp8156A.SetAtt(AttInSaturation);
Thread.Sleep(3000);
for (int i = 0; i < 5; i++)
{
Thread.Sleep(300);
double r = Mp2100A.GetErrorRate();
if (r >= 0)
{
saturation = Math.Log10(r);
if (saturation > -9)
{
Saturation = false;
break;
}
}
else
{
MessageBox.Show("读取眼图仪误码率发生错误", "系统设置");
break;
}
Saturation = true;
}
TestingPara.Saturation = Saturation;
strBuild.Append(string.Format("Saturation:{0}", Saturation));
DisplayInfo = strBuild.ToString();
//TxDisable
Thread.Sleep(200);
Hp8156A.Close();
P3202.SetVolage("1", "2.0");
Thread.Sleep(3000);
double txDisablePower = Hp8153A.ReadPower("2");
strBuild.Append(string.Format("Power@TxDisable:{0}", txDisablePower));
DisplayInfo = strBuild.ToString();
if (txDisablePower < -20.0 || Math.Log10(txDisablePower) > 10)
{
TxDisable = true;
TestingPara.TxDisable = true;
}
P3202.SetVolage("1", "0.8");
isSaveData = true;
}
else
{
MessageBox.Show("设备初始化未完成,将无法进行GPIB测试", "系统提示");
}
//IIC通信参数
if (IsPortReady)
{
I2CTest();
isSaveData = true;
}
else
{
MessageBox.Show("串口初始化未完成", "系统提示");
}
if (isSaveData)
{
//将数据存储到本地
MessageBoxResult result = MessageBox.Show("测试完成，是否储存数据？", "系统提示", MessageBoxButton.OKCancel, MessageBoxImage.Question);
if (result == MessageBoxResult.OK)
{
bool isEmpty = false;
if (!Directory.Exists(@"E:\Xu"))
{
Directory.CreateDirectory(@"E:\Xu");
}
using (FileStream fs = new FileStream(SavePath, FileMode.OpenOrCreate, FileAccess.Read, FileShare.None))
{
using (StreamReader sr = new StreamReader(fs))
{
string output = null;
if ((output = sr.ReadLine()) == null)
{
isEmpty = true;
}
else
{
isEmpty = false;
}
}
}
using (FileStream fs = new FileStream(SavePath, FileMode.Append, FileAccess.Write, FileShare.None))
{
using (StreamWriter sw = new StreamWriter(fs))
{
if (isEmpty == true)
{
sw.WriteLine("SN,SupplyCurrent,OutputPower,ExRatio,Crossing,Jitter,MaskMargin," +
"CenterWavelength,SMSR,WavelengthDiff,TxDisable,Sensitivity,SD_Asserted,SD_Desserted," +
"Hysteresis,SD_High,SD_Low,Saturation,RxPoint1,RxPoint2,RxPoint3,TxPower," +
"Vcc,Temp,Bias,IsAwPass,Date");
}
sw.WriteLine(TestingPara.ToString());
}
}
}
}
IsTestEnable = true;
});
thread.IsBackground = true;
thread.Start();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "系统提示");
}
}
