/// <summary>
/// 特征值所在线
/// </summary>
/// <param name="ftName"></param>
/// <returns></returns>
public int FeatureLine(FeatureInfo.FtName ftName)
{
var speedCoef = MatchFt(ftName).SpeedCoefficient;
var lineLeft = (int)Math.Round(speedCoef * Speed / FrequenceInterval, MidpointRounding.AwayFromZero);
var lineRight = lineLeft + 1;
var gdtLeft = Data[lineLeft];
var gdtRight = Data[lineRight];
var higherLine = gdtRight > gdtLeft ? lineRight : lineLeft;
return(higherLine);
}
public double GetFeatureValue(FeatureInfo.FtName ftName)
{
double result;
var higherGdtPoint = FeatureLine(ftName);
var dotStart = higherGdtPoint - 1;
var dotEnd = higherGdtPoint + 1;
var gdtStart = Data[dotStart];
var gdtMiddle = Data[higherGdtPoint];
var gdtEnd = Data[dotEnd];
//中间值必须为波峰
if (gdtMiddle > gdtStart && gdtMiddle > gdtEnd)
{
//result = gdtStart + gdtMiddle + gdtEnd;
result = gdtMiddle;
}
else
{
result = -1;
}
return(result);
}
public bool High(FeatureInfo.FtName ftName)
{
return(GetFeatureValue(ftName) > MatchFt(ftName).Limit);
}
public FeatureInfo MatchFt(FeatureInfo.FtName ftName)
{
return(Features.Find(f => f.Name == ftName));
}
