PhaseNoise.cs 13 KB

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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text;
  5. using System.Threading;
  6. using System.Threading.Tasks;
  7. using Tps_LQ_Transmitter.com;
  8. namespace Tps_LQ_Transmitter.models
  9. {
  10. class PhaseNoise: BaseModel
  11. {
  12. public PhaseNoise()
  13. {
  14. TemplateName = "相位噪声测试";
  15. }
  16. /// <summary>
  17. /// 相位噪声测试
  18. /// </summary>
  19. public override bool Run(TestNode parameters)
  20. {
  21. double y_value, x_value;
  22. //获取仪器
  23. var SA = this.tps.GetDevice("频谱仪");
  24. TransmitterSerialPort SerialClient = new TransmitterSerialPort();
  25. DataType PhaseNoisePrint = new DataType();//相位噪声
  26. OutData Data = new OutData();
  27. if (SA == null)
  28. {
  29. ShowMessage(MsgType.Error, string.Format("仪器不齐全,{0}/{1}无法运行", parameters.Channel, parameters.Name));
  30. return false;
  31. }
  32. ConfigParameter PowerPara = new ConfigParameter();
  33. PowerPara.ComPort = parameters.Parameters.GetParameter<string>("串口");
  34. PowerPara.OutLoss = parameters.Parameters.GetParameter<double>("输出损耗");
  35. PowerPara.StartFrequency = parameters.Parameters.GetParameter<double>("起始频率");
  36. PowerPara.StepFrequency = parameters.Parameters.GetParameter<double>("频率步进");
  37. PowerPara.FrequencyNumber = parameters.Parameters.GetParameter<int>("频点数量");
  38. PowerPara.StopFrequency = parameters.Parameters.GetParameter<double>("终止频率");
  39. PowerPara.PNosieOffsetFreq = parameters.Parameters.GetParameterToArray<double>("相位噪声偏置频率");
  40. PowerPara.SPAN = parameters.Parameters.GetParameter<string>("扫描带宽(SPAN)");
  41. PowerPara.REF = parameters.Parameters.GetParameter<string>("参考电平(REF)");
  42. PowerPara.RBW = parameters.Parameters.GetParameter<string>("分辨率带宽(RBW)");
  43. PowerPara.VBW = parameters.Parameters.GetParameter<string>("视频带宽(VBW)");
  44. PowerPara.ControlDelay = parameters.Parameters.GetParameter<int>("控制延时");
  45. PowerPara.PhaseNoiseUpper = parameters.Parameters.GetParameter<double >("相位噪声上限");
  46. if ((PowerPara.StartFrequency == 0) || ((PowerPara.StepFrequency == 0) && (PowerPara.FrequencyNumber == 0)) || (PowerPara.StopFrequency == 0)
  47. || (PowerPara.SPAN == null) || (PowerPara.REF == null) || (PowerPara.RBW == null) || (PowerPara.VBW == null) || (PowerPara.PhaseNoiseUpper==0))
  48. {
  49. ShowMessage(MsgType.Error, string.Format("配置文件中频率参数为空,{0}/{1}无法运行", parameters.Channel, parameters.Name));
  50. return false;
  51. }
  52. if (PowerPara.ControlDelay == 0)
  53. {
  54. PowerPara.ControlDelay = 10;
  55. }
  56. SA.Write("仪器复位"); SA.Query("OPC");
  57. SA.Write("REF", PowerPara.REF); SA.Query("OPC");
  58. SA.Write("MARK打开", "1"); SA.Query("OPC");
  59. //if (SA.Query("IDN").Contains("N9030"))
  60. //{
  61. // SA.Write("MARK打开", "2"); SA.Query("OPC");
  62. // SA.Write("DELT打开", "2"); SA.Query("OPC");
  63. //}
  64. if ((PowerPara.FrequencyNumber != 0) && (PowerPara.FrequencyNumber != 1) && (PowerPara.StepFrequency == 0))
  65. {
  66. PowerPara.StepFrequency = ((int)(((PowerPara.StopFrequency - PowerPara.StartFrequency) / (PowerPara.FrequencyNumber - 1)) * 100)) / 100;
  67. }
  68. if (PowerPara.StepFrequency != 0)
  69. {
  70. PowerPara.FrequencyNumber = ((int)((PowerPara.StopFrequency - PowerPara.StartFrequency) / PowerPara.StepFrequency)) + 1;
  71. }
  72. double CenterFreq,Freq;
  73. Data.PhaseNoise = new double[PowerPara.FrequencyNumber, PowerPara.PNosieOffsetFreq.Length];
  74. for (int point = 0;; point++)
  75. {
  76. CenterFreq = PowerPara.StartFrequency + PowerPara.StepFrequency * point;
  77. if (CenterFreq > PowerPara.StopFrequency || (PowerPara.FrequencyNumber == 1 && point == 1))
  78. {
  79. break;
  80. }
  81. // 控制
  82. // SerialClient.DUT_Transmitter_Ctrol(PowerPara.ComPort, Convert.ToByte(point + 1));
  83. Thread.Sleep(PowerPara.ControlDelay);//单位ms
  84. if (SA.Query("IDN").Contains("N9030"))//N9030A型号频谱仪
  85. {
  86. SA.Write("相位噪声测试模式");
  87. SA.Query("OPC");
  88. SA.Write("相位噪声载波频率设置", CenterFreq.ToString()); SA.Query("OPC");
  89. //Psa.Write("相位噪声stopOffset", "200000"); Psa.QueryTimeout("OPC", 3000);
  90. //Psa.Write("相位噪声startOffset", "20"); Psa.QueryTimeout("OPC", 3000);
  91. SA.Write("相位噪声关闭平均");
  92. SA.Query("OPC");
  93. SA.Write("相位噪声打开MarkTable");
  94. SA.Query("OPC");
  95. SA.Write("相位噪声测试");
  96. SA.Query("OPC");
  97. }
  98. else
  99. {
  100. SA.Write("SPAN", "0.1"); SA.Query("OPC");
  101. SA.Write("RBWAUTO"); SA.Query("OPC");
  102. SA.Write("VBWAUTO"); SA.Query("OPC");
  103. SA.Write("CENTER", CenterFreq.ToString()); SA.Query("OPC");
  104. SA.Write("SingleOrCont", "0"); SA.Query("OPC");
  105. PsaPeakValue_Tracedata(SA, out y_value, out x_value, true);
  106. SA.Write("CENTER",( x_value/1000000).ToString()); SA.Query("OPC");
  107. SA.Write("RBW", PowerPara.RBW); SA.Query("OPC");
  108. SA.Write("VBW", PowerPara.VBW); SA.Query("OPC");
  109. }
  110. double[] PhaseNoiseOffsetVal = new double[PowerPara.PNosieOffsetFreq.Length];
  111. double PhaseNoiseMaxOffsetVal = 0;
  112. for ( int offset_num = 0; offset_num < PowerPara.PNosieOffsetFreq.Length; offset_num++)
  113. {
  114. if (SA.Query("IDN").Contains("N9030"))//N9030A型号频谱仪
  115. {
  116. SA.Write("设置Mark频率Hz", "1", PowerPara.PNosieOffsetFreq[offset_num].ToString()); SA.Query("OPC");
  117. double temp = Math.Round(double.Parse(SA.Query("读Mark相位噪声值", "1")), 2);
  118. }
  119. else
  120. {
  121. SA.Write("SPAN",( PowerPara.PNosieOffsetFreq[offset_num]/1000*5).ToString()); SA.Query("OPC");
  122. SA.Write("SingleOrCont", "0"); SA.Query("OPC");
  123. SA.Write("单次扫描"); SA.Query("OPC");
  124. SA.Write("PEAK", "1"); SA.Query("OPC");
  125. SA.Write("相位噪声测试模式", "1"); SA.Query("OPC");
  126. SA.Write("设置DELT频率", "1", PowerPara.PNosieOffsetFreq[offset_num].ToString()); SA.Query("OPC");
  127. Data.PhaseNoise[point, offset_num] = Math.Round(double.Parse(SA.Query("读相位噪声", "1")), 2);
  128. }
  129. PhaseNoiseOffsetVal[offset_num] = Data.PhaseNoise[point, offset_num];
  130. }
  131. if (PowerPara.PNosieOffsetFreq.Length > 1)//计算相位噪声中的最大值
  132. {
  133. PhaseNoiseMaxOffsetVal = PhaseNoiseOffsetVal.Max();
  134. }
  135. else
  136. {
  137. PhaseNoiseMaxOffsetVal = PhaseNoiseOffsetVal[0];
  138. }
  139. PhaseNoisePrint.Test_name = parameters.Channel + "-相位噪声(dBc/Hz)-" + CenterFreq.ToString() + "MHz";
  140. PhaseNoisePrint.Upper = PowerPara.PhaseNoiseUpper;
  141. PhaseNoisePrint.TestVal = PhaseNoiseMaxOffsetVal;
  142. if (PhaseNoisePrint.TestVal <= PhaseNoisePrint.Upper)
  143. {
  144. PhaseNoisePrint.Result = "是";
  145. }
  146. else
  147. {
  148. PhaseNoisePrint.Result = "否";
  149. }
  150. tps.TestTableAddCell(PhaseNoisePrint.Test_name, "/", PhaseNoisePrint.Upper.ToString() ,PhaseNoisePrint.TestVal.ToString(), PhaseNoisePrint.Result);
  151. //if (parameters.Channel == "通道1")
  152. //{
  153. // //tps.SetTestTableCellValue(point, 15, PhaseNoisePrint.Result, PhaseNoisePrint.TestVal);
  154. //}
  155. //else if (parameters.Channel == "通道2")
  156. //{
  157. // //tps.SetTestTableCellValue(point + 15, 15, PhaseNoisePrint.Result, PhaseNoisePrint.TestVal);
  158. //}
  159. }
  160. SA.Write("关闭所有MARK"); SA.Query("OPC");
  161. return true;
  162. }
  163. public void PsaPeakValue_Tracedata(AppLibs.Devices.IVISA psa, out double Y_Maxvalue, out double X_Maxvalue, bool IsReturnX = false)
  164. {
  165. System.Threading.Thread.Sleep(20);
  166. X_Maxvalue = 0;
  167. Y_Maxvalue = 0;
  168. psa.Write("单次扫描");
  169. psa.Query("OPC");
  170. string tracedata = psa.Query("读曲线");
  171. string[] tracedatas = tracedata.Split(',');
  172. double[] tracedata_double = new double[tracedatas.Length];
  173. for (int i = 0; i < tracedatas.Length; i++)
  174. {
  175. tracedata_double[i] = double.Parse(tracedatas[i]);
  176. }
  177. Y_Maxvalue = tracedata_double.Max();
  178. if (IsReturnX)
  179. {
  180. int x = Array.IndexOf(tracedata_double, Y_Maxvalue);
  181. double startfreq = double.Parse(psa.Query("读起始频率"));
  182. double stopfreq = double.Parse(psa.Query("读截止频率"));
  183. double counts = double.Parse(psa.Query("测试点数读取"));
  184. X_Maxvalue = startfreq + (stopfreq - startfreq) * x / (counts - 1);
  185. }
  186. Y_Maxvalue = Math.Round(Y_Maxvalue, 3);
  187. }
  188. public class ConfigParameter
  189. {
  190. /// <summary>
  191. /// 串口
  192. /// </summary>
  193. public string ComPort { set; get; }
  194. /// <summary>
  195. /// 输出损耗
  196. /// </summary>
  197. public double OutLoss { set; get; }
  198. /// <summary>
  199. /// 产品测试的起始频率
  200. /// </summary>
  201. public double StartFrequency { set; get; }
  202. /// <summary>
  203. /// 产品测试的频率步进
  204. /// </summary>
  205. public double StepFrequency { set; get; }
  206. /// <summary>
  207. /// 产品测试的频点数量
  208. /// </summary>
  209. public int FrequencyNumber { set; get; }
  210. /// <summary>
  211. /// 产品的工作频带上限(终止频率)
  212. /// 功能:用于判断从起始频率按一定的步进测试是否超出产品工作频段上限
  213. /// </summary>
  214. public double StopFrequency { set; get; }
  215. /// <summary>
  216. /// 相位噪声偏置频率
  217. /// </summary>
  218. public double[] PNosieOffsetFreq { set; get; }
  219. /// <summary>
  220. ///设置频谱仪的SPAN
  221. /// </summary>
  222. public string SPAN { set; get; }
  223. /// <summary>
  224. /// 设置参考电平
  225. /// </summary>
  226. public string REF { set; get; }
  227. /// <summary>
  228. /// 设置RBW
  229. /// </summary>
  230. public string RBW { set; get; }
  231. /// <summary>
  232. /// 设置VBW
  233. /// </summary>
  234. public string VBW { set; get; }
  235. /// <summary>
  236. /// 控制延时
  237. /// </summary>
  238. public int ControlDelay { set; get; }
  239. /// <summary>
  240. /// 相位噪声上限
  241. /// </summary>
  242. public double PhaseNoiseUpper{set;get;}
  243. }
  244. public class OutData
  245. {
  246. /// <summary>
  247. /// 相位噪声
  248. /// </summary>
  249. public double[,] PhaseNoise { set; get; }
  250. }
  251. //public class DataType
  252. //{
  253. // /// <summary>
  254. // /// 测试名称
  255. // /// </summary>
  256. // public string Test_name { set; get; }
  257. // /// <summary>
  258. // /// 指标下限
  259. // /// </summary>
  260. // public double Lower { set; get; }
  261. // /// <summary>
  262. // /// 指标上限
  263. // /// </summary>
  264. // public double Upper { set; get; }
  265. // /// <summary>
  266. // /// 测试值
  267. // /// </summary>
  268. // public double TestVal { set; get; }
  269. // /// <summary>
  270. // /// 判断结果
  271. // /// </summary>
  272. // public bool Result { set; get; }
  273. //}
  274. }
  275. }