/// <summary>
/// 接口函数：计算峰峰值指标
/// </summary>
/// <param name="citFileName">cit文件全路径</param>
/// <returns></returns>
public List <String> PreProcessDeviation(String citFileName)
{
List <String> dataStrList = new List <String>();
//cdp.QueryDataInfoHead(citFileName);
//double[] d_tt = cdp.GetMilesDataDouble(citFileName);//里程
CITDataProcess.DataHeadInfo dhi = cdp.GetDataInfoHeadNew(citFileName);
int tds = dhi.iChannelNumber;
long startPos = 0;
long endPos = 0;
using (FileStream fs = new FileStream(citFileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
using (BinaryReader br = new BinaryReader(fs))
{
byte[] b = new byte[tds * 2];
br.ReadBytes(120); //120
br.ReadBytes(65 * tds); //65
br.ReadBytes(BitConverter.ToInt32(br.ReadBytes(4), 0));
startPos = br.BaseStream.Position;
endPos = br.BaseStream.Length;
br.Close();
}
fs.Close();
}
double[] d_tt = wdp.GetDataMileageInfoDouble(citFileName, tds, dhi.iSmaleRate, CommonClass.listDIC[0].bEncrypt,
CommonClass.listDIC[0].listIC, CommonClass.listDIC[0].bIndex, startPos, endPos, CommonClass.listDIC[0].sKmInc);//里程
double[] d_wvelo = cdp.GetSingleChannelData(citFileName, dataProcessing.GetChannelNumberByChannelName(citFileName, "Speed", "速度"));
double[] d_gauge = cdp.GetSingleChannelData(citFileName, dataProcessing.GetChannelNumberByChannelName(citFileName, "Gage", "轨距"));
double[] d_wx = cdp.GetSingleChannelData(citFileName, dataProcessing.GetChannelNumberByChannelName(citFileName, "L_Prof_SC", "左高低_中波"));
List <String> tmpDataStrList = pdc.WideGaugePreProcess("左高低_中波", d_tt, d_wx, d_wvelo, d_gauge, 8.0);
dataStrList.AddRange(tmpDataStrList);
d_wx = cdp.GetSingleChannelData(citFileName, dataProcessing.GetChannelNumberByChannelName(citFileName, "R_Prof_SC", "右高低_中波"));
tmpDataStrList = pdc.WideGaugePreProcess("右高低_中波", d_tt, d_wx, d_wvelo, d_gauge, 8.0);
dataStrList.AddRange(tmpDataStrList);
d_wx = cdp.GetSingleChannelData(citFileName, dataProcessing.GetChannelNumberByChannelName(citFileName, "L_Align_SC", "左轨向_中波"));
tmpDataStrList = pdc.WideGaugePreProcess("左轨向_中波", d_tt, d_wx, d_wvelo, d_gauge, 8.0);
dataStrList.AddRange(tmpDataStrList);
d_wx = cdp.GetSingleChannelData(citFileName, dataProcessing.GetChannelNumberByChannelName(citFileName, "R_Align_SC", "右轨向_中波"));
tmpDataStrList = pdc.WideGaugePreProcess("右轨向_中波", d_tt, d_wx, d_wvelo, d_gauge, 8.0);
dataStrList.AddRange(tmpDataStrList);
return(dataStrList);
}
/// <summary>
/// 接口函数：计算功率谱
/// </summary>
/// <param name="citFileName">cit全路径文件名</param>
/// <param name="channelNameEn">英文通道名</param>
/// <param name="channelNameCh">中文通道名</param>
/// <param name="kmStart">起始里程</param>
/// <param name="kmEnd">结束里程</param>
/// <param name="fourierLen">傅里叶变换窗长</param>
/// <param name="timeLen">时间步长</param>
/// <returns>频率和幅值谱</returns>
private List <String> SubProcess(String citFileName, String channelNameEn, String channelNameCh, float kmStart, float kmEnd, float fourierLen, float timeLen)
{
double[] retVal = new double[2];
CITDataProcess.DataHeadInfo dhi = cdp.GetDataInfoHeadNew(citFileName);
int tds = dhi.iChannelNumber;
long startPos = 0;
long endPos = 0;
using (FileStream fs = new FileStream(citFileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
using (BinaryReader br = new BinaryReader(fs))
{
byte[] b = new byte[tds * 2];
br.ReadBytes(120); //120
br.ReadBytes(65 * tds); //65
br.ReadBytes(BitConverter.ToInt32(br.ReadBytes(4), 0));
startPos = br.BaseStream.Position;
endPos = br.BaseStream.Length;
br.Close();
}
fs.Close();
}
//先把整条线的数据取出，然后再从中取出一段数
double[] d_tt = wdp.GetDataMileageInfoDouble(citFileName, tds, 4, CommonClass.listDIC[0].bEncrypt,
CommonClass.listDIC[0].listIC, CommonClass.listDIC[0].bIndex, startPos, endPos, CommonClass.listDIC[0].sKmInc);//里程
double[] d_wx = cdp.GetSingleChannelData(citFileName, dataProcessing.GetChannelNumberByChannelName(citFileName, channelNameEn, channelNameCh));
int indexStart = 0;
int indexEnd = d_tt.Length - 1;
if (d_tt[0] < d_tt[d_tt.Length - 1])
{
//增里程
for (int i = 0; i < d_tt.Length; i++)
{
if (d_tt[i] >= kmStart)
{
indexStart = i;
break;
}
}
for (int i = 0; i < d_tt.Length; i++)
{
if (d_tt[i] >= kmEnd)
{
indexEnd = i;
break;
}
}
}
else
{
//减里程
for (int i = 0; i < d_tt.Length; i++)
{
if (d_tt[i] <= kmStart)
{
indexStart = i;
break;
}
}
for (int i = 0; i < d_tt.Length; i++)
{
if (d_tt[i] <= kmEnd)
{
indexEnd = i;
break;
}
}
}
int len = indexEnd - indexStart + 1;
double[] tt_new = new double[len];
double[] wx_new = new double[len];
Array.Copy(d_tt, indexStart, tt_new, 0, len);
Array.Copy(d_wx, indexStart, wx_new, 0, len);
List <String> str_retVal = glpc.Sub_Fourier_analysis(channelNameCh, tt_new, wx_new, fourierLen, timeLen);
return(str_retVal);
}
