public FilterOrderSpec(FilterOrderSpec spec)
{
if (spec == null)
return;
spec.CopyTo(this);
return;
}
/// <summary>
///
/// </summary>
/// <param name="cornerFreqs">The corner frequencies in radians/sample. Only the first element is used in a low/high pass filter.</param>
/// <param name="order"></param>
/// <param name="bandType"></param>
/// <returns></returns>
public static FilterOrderSpec CreateButterworthSpec(Pair<double,double> cornerFreqs, int order, BandType bandType)
{
FilterOrderSpec spec = new FilterOrderSpec();
spec.CornerFreqs = cornerFreqs;
spec.Order = order;
spec.Ripple = 0.0;
spec.BandType = bandType;
spec.FilterType = IirFilterType.Butterworth;
return spec;
}
public void CopyTo(FilterOrderSpec spec)
{
spec.CornerFreqs = new Pair<double,double>(CornerFreqs);
spec.Order = Order;
spec.Ripple = Ripple;
spec.BandType = BandType;
spec.FilterType = FilterType;
return;
}
/// <summary>
///
/// </summary>
/// <param name="cornerFreqs">The corner frequencies in radians/sample. Only the first element is used in a low/high pass filter.</param>
/// <param name="order"></param>
/// <param name="ripple"></param>
/// <param name="bandType"></param>
/// <returns></returns>
public static FilterOrderSpec CreateChebyshevType2Spec(Pair<double, double> cornerFreqs, int order, double ripple, BandType bandType)
{
FilterOrderSpec spec = new FilterOrderSpec();
spec.CornerFreqs = cornerFreqs;
spec.Order = order;
spec.Ripple = ripple;
spec.BandType = bandType;
spec.FilterType = IirFilterType.ChebyshevType2;
return spec;
}
