#ifndef _utl_NoiseWhite_h_
#define _utl_NoiseWhite_h_ 

/**
  \file
  Class producing white noise with a given temperature.
  
  \author Tim Huege
  \ingroup radio
*/

#include <complex>
#include <utl/Noise.h>

namespace utl {

  class RandomEngine;
  
  /**
    \class NoiseWhite NoiseWhite.h "utl/NoiseWhite.h"
    \brief
    Class producing white noise with a given temperature.
   
    \author Tim Huege
    \version $Id: 
  */

  class NoiseWhite : public Noise {
  public:
    NoiseWhite(double parTemperature, RandomEngine* parRandomEngine);
    virtual ~NoiseWhite();

    /// Returns the noise (complex value representing amplitude and phase) at a given frequency
    virtual std::complex<double> GetSpectralFieldNoiseAtFrequency(double parFrequency, double parBandwidth) const;
  
  private:
    double fNoiseTemperature;
  
  };

} // utl

#endif