NoiseCCIR670.h

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#ifndef _utl_NoiseCCIR670_h_
#define _utl_NoiseCCIR670_h_

#include <utl/AugerException.h>
#include <utl/Noise.h>
#include <utl/TabulatedFunction.h>
#include <cmath>

namespace utl {

  class RandomEngine;
  
  enum AtmosphereNoise {eNoAtmosphereNoise, eDayAtmosphereNoise, eNightAtmosphereNoise};
  enum IndustryNoise {eNoIndustryNoise, eRuralIndustryNoise, eUrbanIndustryNoise};

  class NoiseCCIR670 : public Noise {
  public:
    NoiseCCIR670(AtmosphereNoise AtmoScenario, IndustryNoise IndustryScenario, RandomEngine* parRandomEngine);
    virtual ~NoiseCCIR670();

    virtual std::complex<double> GetSpectralFieldNoiseAtFrequency(double parFrequency, double parBandwidth) const;

  private:

    static const double tempAt0dB;                       // temperature that corresponds to 0 dB
    static const double noNoisedB;                       // number to characterise absence of noise

    static const double NoiseGalacticTable[][2];         // galactic noise table (Hz, dB)
    static const double NoiseIndustryRuralTable[][2];    // industry noise rural table (Hz, dB)
    static const double NoiseIndustryUrbanTable[][2];    // industry noise urban table (Hz, dB)
    static const double NoiseAtmosphereDayTable[][2];    // atmospheric noise day table (Hz, dB)
    static const double NoiseAtmosphereNightTable[][2];  // atmospheric noise night table (Hz, dB)

    static const long LengthOfNoiseGalacticTable;
    static const long LengthOfNoiseIndustryRuralTable;
    static const long LengthOfNoiseIndustryUrbanTable;
    static const long LengthOfNoiseAtmosphereDayTable;
    static const long LengthOfNoiseAtmosphereNightTable;

    utl::TabulatedFunction fAtmosphereNoise;
    utl::TabulatedFunction fIndustryNoise;
    utl::TabulatedFunction fGalacticNoise;
  };

} // utl

#endif