NoisePowerDensity.cs 10 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 NoisePowerDensity: BaseModel
  11. {
  12. public NoisePowerDensity()
  13. {
  14. TemplateName = "噪声功率谱密度测试";
  15. }
  16. /// <summary>
  17. /// 噪声功率谱密度测试
  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. OutData Data = new OutData();
  26. DataType NoisePowerPrint = new DataType();
  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.SPAN = parameters.Parameters.GetParameter<string>("扫描带宽(SPAN)");
  40. PowerPara.ACHBand = parameters.Parameters.GetParameter<string>("通道带宽");
  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.NoisePowerUpper = parameters.Parameters.GetParameter<double>("噪声功率谱密度上限");
  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.NoisePowerUpper == 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", "-20"); SA.Query("OPC");
  61. SA.Write("设置通道带宽", PowerPara.ACHBand); SA.Query("OPC");
  62. SA.Write("ATT", "5"); SA.Query("OPC");
  63. SA.Write("MARK打开", "1"); SA.Query("OPC");
  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;
  73. Data.NoisePower = new string[PowerPara.FrequencyNumber];
  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. SA.Write("CENTER", CenterFreq.ToString()); SA.Query("OPC");
  85. SA.Write("设置通道功率模式"); SA.Query("OPC");
  86. SA.Write("SingleOrCont", "0"); SA.Query("OPC");
  87. y_value = double.Parse(SA.Query("读通道功率"));
  88. NoisePowerPrint.Test_name = parameters.Channel + "-噪声功率谱密度(dBm/Hz)-" + CenterFreq.ToString() + "MHz";
  89. NoisePowerPrint.Upper = PowerPara.NoisePowerUpper;
  90. NoisePowerPrint.TestVal = Math.Round(y_value-10*Math.Log10(double.Parse(PowerPara.ACHBand) *1000), 2) ;
  91. if ( NoisePowerPrint.TestVal <= NoisePowerPrint.Upper)
  92. {
  93. NoisePowerPrint.Result = "是";
  94. }
  95. else
  96. {
  97. NoisePowerPrint.Result = "否";
  98. }
  99. tps.TestTableAddCell(NoisePowerPrint.Test_name, "/", NoisePowerPrint.Upper.ToString(), NoisePowerPrint.TestVal.ToString(), NoisePowerPrint.Result);
  100. //if (parameters.Channel == "通道1")
  101. //{
  102. // //tps.SetTestTableCellValue(point, 9, NoisePowerPrint.Result ,NoisePowerPrint.TestVal);
  103. //}
  104. //else if (parameters.Channel == "通道2")
  105. //{
  106. // //tps.SetTestTableCellValue(point + 15, 9, NoisePowerPrint.Result ,NoisePowerPrint.TestVal);
  107. //}
  108. }
  109. SA.Write("设置MARK为常规", "1"); SA.Query("OPC");
  110. SA.Write("关闭所有MARK"); SA.Query("OPC");
  111. return true;
  112. }
  113. public void PsaPeakValue_Tracedata(AppLibs.Devices.IVISA psa, out double Y_Maxvalue, out double X_Maxvalue, bool IsReturnX = false)
  114. {
  115. System.Threading.Thread.Sleep(20);
  116. X_Maxvalue = 0;
  117. Y_Maxvalue = 0;
  118. psa.Write("单次扫描");
  119. psa.Query("OPC");
  120. string tracedata = psa.Query("读曲线");
  121. string[] tracedatas = tracedata.Split(',');
  122. double[] tracedata_double = new double[tracedatas.Length];
  123. for (int i = 0; i < tracedatas.Length; i++)
  124. {
  125. tracedata_double[i] = double.Parse(tracedatas[i]);
  126. }
  127. Y_Maxvalue = tracedata_double.Max();
  128. if (IsReturnX)
  129. {
  130. int x = Array.IndexOf(tracedata_double, Y_Maxvalue);
  131. double startfreq = double.Parse(psa.Query("读起始频率"));
  132. double stopfreq = double.Parse(psa.Query("读截止频率"));
  133. double counts = double.Parse(psa.Query("测试点数读取"));
  134. X_Maxvalue = startfreq + (stopfreq - startfreq) * x / (counts - 1);
  135. }
  136. Y_Maxvalue = Math.Round(Y_Maxvalue, 3);
  137. }
  138. public class ConfigParameter
  139. {
  140. /// <summary>
  141. /// 串口
  142. /// </summary>
  143. public string ComPort { set; get; }
  144. /// <summary>
  145. /// 输出损耗
  146. /// </summary>
  147. public double OutLoss { set; get; }
  148. /// <summary>
  149. /// 产品测试的起始频率
  150. /// </summary>
  151. public double StartFrequency { set; get; }
  152. /// <summary>
  153. /// 产品测试的频率步进
  154. /// </summary>
  155. public double StepFrequency { set; get; }
  156. /// <summary>
  157. /// 产品测试的频点数量
  158. /// </summary>
  159. public int FrequencyNumber { set; get; }
  160. /// <summary>
  161. /// 产品的工作频带上限(终止频率)
  162. /// 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
  163. /// </summary>
  164. public double StopFrequency { set; get; }
  165. /// <summary>
  166. ///设置频谱仪的SPAN
  167. /// </summary>
  168. public string SPAN { set; get; }
  169. /// <summary>
  170. /// 通道带宽
  171. /// </summary>
  172. public string ACHBand { set; get; }
  173. /// <summary>
  174. /// 设置参考电平
  175. /// </summary>
  176. public string REF { set; get; }
  177. /// <summary>
  178. /// 设置RBW
  179. /// </summary>
  180. public string RBW { set; get; }
  181. /// <summary>
  182. /// 设置VBW
  183. /// </summary>
  184. public string VBW { set; get; }
  185. /// <summary>
  186. /// 控制延时
  187. /// </summary>
  188. public int ControlDelay { set; get; }
  189. /// <summary>
  190. /// 噪声功率上限
  191. /// </summary>
  192. public double NoisePowerUpper{set;get;}
  193. }
  194. public class OutData
  195. {
  196. /// <summary>
  197. ///噪声功率谱密度
  198. /// </summary>
  199. public string[] NoisePower { set; get; }
  200. }
  201. //public class DataType
  202. //{
  203. // /// <summary>
  204. // /// 测试名称
  205. // /// </summary>
  206. // public string Test_name { set; get; }
  207. // /// <summary>
  208. // /// 指标下限
  209. // /// </summary>
  210. // public double Lower { set; get; }
  211. // /// <summary>
  212. // /// 指标上限
  213. // /// </summary>
  214. // public double Upper { set; get; }
  215. // /// <summary>
  216. // /// 测试值
  217. // /// </summary>
  218. // public double TestVal { set; get; }
  219. // /// <summary>
  220. // /// 判断结果
  221. // /// </summary>
  222. // public bool Result { set; get; }
  223. //}
  224. }
  225. }