public FilterProcessor()
{
FilterType = FilterType.None;
BPFilter = new BandPassFilter();
HPFilter = new HighPassFilter();
LPFilter = new LowPassFilter();
}
public static BandPassFilter Clone(this BandPassFilter filter)
{
return(new BandPassFilter()
{
PassbandAttenuationDB = filter.PassbandAttenuationDB,
StopbandAttenuationDB = filter.StopbandAttenuationDB,
BPPassbandFreLow = filter.BPPassbandFreLow,
BPPassbandFreHigh = filter.BPPassbandFreHigh,
TransitionBandwidth = filter.TransitionBandwidth,
});
}
public static double[] Filter(this BandPassFilter filter, double[] input, int samplePoint, double sampleFre, double rpm = 0)
{
if (filter.BPPassbandFreHigh + filter.TransitionBandwidth > sampleFre / 2.56)
{
throw new Exception(string.Format("带通高阻带频率必须小于等于采样频率的1/2.56({0})", sampleFre / 2.56));
}
return(Algorithm.Instance.BandPassFilter(input, samplePoint, sampleFre,
filter.PassbandAttenuationDB,
filter.StopbandAttenuationDB,
filter.BPStopbandFreLow,
filter.BPPassbandFreLow,
filter.BPPassbandFreHigh,
filter.BPStopBandFreHigh));
}