public DataGenerator()
 {
     Collection     = Datas.FourierSeries(2.0, phase, 1000);
     Collection1    = Datas.FourierSeries(1.0, phase, 1000);
     timer          = new DispatcherTimer();
     timer.Interval = TimeSpan.FromMilliseconds(20);
     timer.Tick    += OnTick;
     timer.Start();
 }
 void OnTick(object sender, EventArgs e)
 {
     Collection1 = Datas.FourierSeries(2.0, phase, 1000);
     Collection  = Datas.FourierSeries(1.0, phase, 1000);
     phase      += increment;
 }