PhaseNoise.cs 12 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("SPAN", PowerPara.SPAN); SA.Query("OPC");
  58. SA.Write("RBW", PowerPara.RBW); SA.Query("OPC");
  59. SA.Write("VBW", PowerPara.VBW); SA.Query("OPC");
  60. SA.Write("REF", PowerPara.REF); SA.Query("OPC");
  61. SA.Write("SingleOrCont", "0"); SA.Query("OPC");
  62. SA.Write("MARK打开", "1"); SA.Query("OPC");
  63. if(SA.Query("IDN") == "N9030A")
  64. {
  65. SA.Write("MARK打开", "2"); SA.Query("OPC");
  66. SA.Write("DELT打开", "2"); SA.Query("OPC");
  67. }
  68. if ((PowerPara.FrequencyNumber != 0) && (PowerPara.FrequencyNumber != 1) && (PowerPara.StepFrequency == 0))
  69. {
  70. PowerPara.StepFrequency = ((int)(((PowerPara.StopFrequency - PowerPara.StartFrequency) / (PowerPara.FrequencyNumber - 1)) * 100)) / 100;
  71. }
  72. if (PowerPara.StepFrequency != 0)
  73. {
  74. PowerPara.FrequencyNumber = ((int)((PowerPara.StopFrequency - PowerPara.StartFrequency) / PowerPara.StepFrequency)) + 1;
  75. }
  76. double CenterFreq;
  77. Data.PhaseNoise = new double[PowerPara.FrequencyNumber, PowerPara.PNosieOffsetFreq.Length];
  78. for (int point = 0;; point++)
  79. {
  80. CenterFreq = PowerPara.StartFrequency + PowerPara.StepFrequency * point;
  81. if (CenterFreq > PowerPara.StopFrequency || (PowerPara.FrequencyNumber == 1 && point == 1))
  82. {
  83. break;
  84. }
  85. // 控制
  86. SerialClient.DUT_Transmitter_Ctrol(PowerPara.ComPort, Convert.ToByte(point + 1));
  87. Thread.Sleep(PowerPara.ControlDelay);//单位ms
  88. if (SA.Query("IDN") == "N9030A")//N9030A型号频谱仪
  89. {
  90. SA.Write("相位噪声测试模式");
  91. SA.Query("OPC");
  92. SA.Write("相位噪声载波频率设置", CenterFreq.ToString()); SA.Query("OPC");
  93. //Psa.Write("相位噪声stopOffset", "200000"); Psa.QueryTimeout("OPC", 3000);
  94. //Psa.Write("相位噪声startOffset", "20"); Psa.QueryTimeout("OPC", 3000);
  95. SA.Write("相位噪声关闭平均");
  96. SA.Query("OPC");
  97. SA.Write("相位噪声打开MarkTable");
  98. SA.Query("OPC");
  99. SA.Write("相位噪声测试");
  100. SA.Query("OPC");
  101. }
  102. else
  103. {
  104. SA.Write("CENTER", CenterFreq.ToString()); SA.Query("OPC");
  105. SA.Write("PEAK", "1"); SA.Query("OPC");
  106. SA.Write("相位噪声测试模式", "2"); SA.Query("OPC");
  107. }
  108. double[] PhaseNoiseOffsetVal = new double[PowerPara.PNosieOffsetFreq.Length];
  109. double PhaseNoiseMaxOffsetVal = 0;
  110. for ( int offset_num = 0; offset_num < PowerPara.PNosieOffsetFreq.Length; offset_num++)
  111. {
  112. if (SA.Query("IDN") == "N9030A")//N9030A型号频谱仪
  113. {
  114. SA.Write("设置Mark频率Hz", "1", PowerPara.PNosieOffsetFreq[offset_num].ToString()); SA.Query("OPC");
  115. double temp = Math.Round(double.Parse(SA.Query("读Mark相位噪声值", "1")), 2);
  116. }
  117. else
  118. {
  119. SA.Write("设置DELT频率", "2", PowerPara.PNosieOffsetFreq[offset_num].ToString()); SA.Query("OPC");
  120. Data.PhaseNoise[point, offset_num] = Math.Round(double.Parse(SA.Query("读相位噪声", "1")), 2);
  121. }
  122. PhaseNoiseOffsetVal[offset_num] = Data.PhaseNoise[point, offset_num];
  123. }
  124. if (PowerPara.PNosieOffsetFreq.Length > 1)//计算相位噪声中的最大值
  125. {
  126. PhaseNoiseMaxOffsetVal = PhaseNoiseOffsetVal.Max();
  127. }
  128. else
  129. {
  130. PhaseNoiseMaxOffsetVal = PhaseNoiseOffsetVal[0];
  131. }
  132. PhaseNoisePrint.Upper = PowerPara.PhaseNoiseUpper;
  133. PhaseNoisePrint.TestVal = PhaseNoiseMaxOffsetVal;
  134. if (PhaseNoisePrint.TestVal <= PhaseNoisePrint.Upper)
  135. {
  136. PhaseNoisePrint.Result = true;
  137. }
  138. else
  139. {
  140. PhaseNoisePrint.Result = false;
  141. }
  142. if (parameters.Channel == "通道1")
  143. {
  144. //tps.SetTestTableCellValue(point, 15, PhaseNoisePrint.Result, PhaseNoisePrint.TestVal);
  145. }
  146. else if (parameters.Channel == "通道2")
  147. {
  148. //tps.SetTestTableCellValue(point + 15, 15, PhaseNoisePrint.Result, PhaseNoisePrint.TestVal);
  149. }
  150. }
  151. SA.Write("设置MARK为常规", "2"); SA.Query("OPC");
  152. SA.Write("关闭所有MARK"); SA.Query("OPC");
  153. return true;
  154. }
  155. public void PsaPeakValue_Tracedata(AppLibs.Devices.IVISA psa, out double Y_Maxvalue, out double X_Maxvalue, bool IsReturnX = false)
  156. {
  157. System.Threading.Thread.Sleep(20);
  158. X_Maxvalue = 0;
  159. Y_Maxvalue = 0;
  160. psa.Write("单次扫描");
  161. psa.Query("OPC");
  162. string tracedata = psa.Query("读曲线");
  163. string[] tracedatas = tracedata.Split(',');
  164. double[] tracedata_double = new double[tracedatas.Length];
  165. for (int i = 0; i < tracedatas.Length; i++)
  166. {
  167. tracedata_double[i] = double.Parse(tracedatas[i]);
  168. }
  169. Y_Maxvalue = Math.Round(tracedata_double.Max(), 3);
  170. if (IsReturnX)
  171. {
  172. int x = Array.IndexOf(tracedata_double, Y_Maxvalue);
  173. double startfreq = double.Parse(psa.Query("读起始频率"));
  174. double stopfreq = double.Parse(psa.Query("读截止频率"));
  175. double counts = double.Parse(psa.Query("测试点数读取"));
  176. X_Maxvalue = startfreq + (stopfreq - startfreq) * x / (counts - 1);
  177. }
  178. }
  179. public class ConfigParameter
  180. {
  181. /// <summary>
  182. /// 串口
  183. /// </summary>
  184. public string ComPort { set; get; }
  185. /// <summary>
  186. /// 输出损耗
  187. /// </summary>
  188. public double OutLoss { set; get; }
  189. /// <summary>
  190. /// 产品测试的起始频率
  191. /// </summary>
  192. public double StartFrequency { set; get; }
  193. /// <summary>
  194. /// 产品测试的频率步进
  195. /// </summary>
  196. public double StepFrequency { set; get; }
  197. /// <summary>
  198. /// 产品测试的频点数量
  199. /// </summary>
  200. public int FrequencyNumber { set; get; }
  201. /// <summary>
  202. /// 产品的工作频带上限(终止频率)
  203. /// 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
  204. /// </summary>
  205. public double StopFrequency { set; get; }
  206. /// <summary>
  207. /// 相位噪声偏置频率
  208. /// </summary>
  209. public double[] PNosieOffsetFreq { set; get; }
  210. /// <summary>
  211. ///设置频谱仪的SPAN
  212. /// </summary>
  213. public string SPAN { set; get; }
  214. /// <summary>
  215. /// 设置参考电平
  216. /// </summary>
  217. public string REF { set; get; }
  218. /// <summary>
  219. /// 设置RBW
  220. /// </summary>
  221. public string RBW { set; get; }
  222. /// <summary>
  223. /// 设置VBW
  224. /// </summary>
  225. public string VBW { set; get; }
  226. /// <summary>
  227. /// 控制延时
  228. /// </summary>
  229. public int ControlDelay { set; get; }
  230. /// <summary>
  231. /// 相位噪声上限
  232. /// </summary>
  233. public double PhaseNoiseUpper{set;get;}
  234. }
  235. public class OutData
  236. {
  237. /// <summary>
  238. /// 相位噪声
  239. /// </summary>
  240. public double[,] PhaseNoise { set; get; }
  241. }
  242. public class DataType
  243. {
  244. /// <summary>
  245. /// 测试名称
  246. /// </summary>
  247. public string Test_name { set; get; }
  248. /// <summary>
  249. /// 指标下限
  250. /// </summary>
  251. public double Lower { set; get; }
  252. /// <summary>
  253. /// 指标上限
  254. /// </summary>
  255. public double Upper { set; get; }
  256. /// <summary>
  257. /// 测试值
  258. /// </summary>
  259. public double TestVal { set; get; }
  260. /// <summary>
  261. /// 判断结果
  262. /// </summary>
  263. public bool Result { set; get; }
  264. }
  265. }
  266. }