/// <summary>
/// 時間ドメイン値xを入力すると、N点DFTの周波数ドメイン値Xのm番目の周波数binの値を戻す。
/// </summary>
/// <param name="m">周波数binの番号。0≦m＜N</param>
/// <param name="N">DFTサイズN。</param>
public WWGoertzel(int m, int N)
{
if (N <= 0)
{
throw new ArgumentOutOfRangeException("N");
}
mN = N;
mDelay = new DelayT <WWComplex>(1);
mDelay.Fill(WWComplex.Zero());
mOsc = new WWQuadratureOscillatorInt(-m, N);
}
public SlidingDFTbin(int m, int N, double compensation)
{
if (N <= 0)
{
throw new ArgumentOutOfRangeException("N");
}
if (m < 0 || N <= m)
{
throw new ArgumentOutOfRangeException("m");
}
mN = N;
mCompensation = compensation;
mM = m;
double θ = 2.0 * Math.PI * m / N;
mE = new WWComplex(Math.Cos(θ), Math.Sin(θ));
mDelay = new DelayT <WWComplex>(1);
mDelay.Fill(WWComplex.Zero());
}