public FilterProcessor()
{
FilterType = FilterType.None;
BPFilter = new BandPassFilter();
HPFilter = new HighPassFilter();
LPFilter = new LowPassFilter();
}
public static HighPassFilter Clone(this HighPassFilter filter)
{
return(new HighPassFilter()
{
PassbandAttenuationDB = filter.PassbandAttenuationDB,
StopbandAttenuationDB = filter.StopbandAttenuationDB,
PassbandFre = filter.PassbandFre,
StopbandFre = filter.StopbandFre
});
}
public static double[] FilterUponRPM(this HighPassFilter filter, double[] input, int samplePoint, double sampleFre, double rpm = 0)
{
if (filter.PassbandFre * (rpm / 60) > sampleFre / 2.56)
{
throw new Exception(string.Format("通带频率必须小于等于采样频率的1/2.56({0})", sampleFre / 2.56));
}
return(Algorithm.Instance.HighPassFilter(input, samplePoint, sampleFre,
filter.PassbandFre * (rpm / 60),
filter.StopbandFre * (rpm / 60),
filter.PassbandAttenuationDB,
filter.StopbandAttenuationDB));
}