UsbDetector

namespace Radio
{
    public class UsbDetector : IDetector
    {
        private int _sampleRate;
        private readonly Oscillator _bfo = new Oscillator();

        public UsbDetector()
        {
            _bfo.Frequency = 1800;
        }

        public float Demodulate(Complex d)
        {
            _bfo.Tick();

            return d.Real * _bfo.OutQ + d.Imag * _bfo.OutI;
        }

        public int SampleRate
        {
            get { return _sampleRate; }
            set
            {
                _sampleRate = value;
                _bfo.SampleRate = value;
            }
        }
    }
}