/// <summary>
/// 计算主频
/// </summary>
public void SetMainVibra()
{
var maxPeakLine = PeakDots.ElementAt(0).Key;
var maxPeakValue = PeakDots.ElementAt(0).Value;
FeatureInfo.FtName?ftName = null;
foreach (var feature in Features)
{
if (maxPeakLine == feature.Line)
{
ftName = feature.Name;
}
}
MVF = new MainVibraFrequency {
Value = maxPeakValue,
Feature = ftName
};
}
/// <summary>
/// 计算峰值点
/// </summary>
private void SetPeakDots()
{
PeakDots.Clear();
for (int i = 1; i < AxisX.LineCount; i++)
{
if (i <= 1 || i >= AxisX.LineCount - 1)
{
continue;
}
var curDot = Data[i];
var prevDot = Data[i - 1];
var nextDot = Data[i + 1];
if (curDot > prevDot && curDot > nextDot)
{
PeakDots.Add(i, Data[i]);
}
}
//按峰值从高到低排序
PeakDots = PeakDots.OrderByDescending(p => p.Value).ToDictionary(o => o.Key, o => o.Value);
}
