Beispiel #1
0
 public SampleAggregator(int fftLength)
 {
     if (!IsPowerOfTwo(fftLength))
     {
         throw new ArgumentException("FFT Length must be a power of two");
     }
     this.m         = (int)Math.Log(fftLength, 2.0);
     this.fftLength = fftLength;
     this.fftBuffer = new Complex[fftLength];
     this.fftArgs   = new FftEventArgs(fftBuffer);
 }
Beispiel #2
0
 void FftCalculated(object sender, FftEventArgs e)
 {
     // Do something with e.result!
     if (this.InvokeRequired)
     {
         this.BeginInvoke(new EventHandler <FftEventArgs>(FftCalculated), sender, e);
     }
     else
     {
         float[] bbb = new float[1024];
         for (int i = 0; i < 1024; ++i)
         {
             bbb[i] = (float)Math.Sqrt(Math.Pow(e.Result[i].X, 2.0) + Math.Pow(e.Result[i].Y, 2.0));
         }
         chart1.Series["Series1"].Points.DataBindY(bbb);
     }
 }