Noise.h

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#ifndef _utl_Noise_h_
#define _utl_Noise_h_ 

#include <complex>

namespace utl {

  class RandomEngine;
  
  class Noise{
  public:
    Noise(RandomEngine* parRandomEngine);
    virtual ~Noise();

    virtual std::complex<double> GetSpectralFieldNoiseAtFrequency(double parFrequency, double parBandwidth) const = 0;
  
  protected:
    virtual double SpectralFieldAmplitudeOfNoiseTemperature(double parTemperature, double parFrequency, double parBandwidth) const;
    
    RandomEngine* fRandomEngine;
  };

} // utl

#endif