private void UpdateDiversity()
{
DttSP.SetDiversityScalar((float)((r * 1.5) * Math.Cos(angle)), (float)((r * 1.5) * Math.Sin(angle)));
int L = (int)Math.Min(picRadar.Width, picRadar.Height);
p = new Point((int)(r * L / 2 * Math.Cos(angle)) + L / 2, -(int)(r * L / 2 * Math.Sin(angle)) + L / 2);
picRadar.Invalidate();
}