## Elements of the Information Theory of Atmospheric Visibility |

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### Contents

THE THRESHOLD CONDITIONS OF VISION | 1 |

THE EYE AS A RADIATION DETECTOR | 34 |

Chapters THE FIELD OF SHORTWAVE RADIATION NEAR THE GROUND | 42 |

Copyright | |

6 other sections not shown

### Common terms and phrases

absorption band aerosol atmosfery atmospheric mass atmospheric transparency average background radiation calculations characteristics characterized CN CN coefficient color computations const corresponding curve daily variation detection probability determined entrance pupil entropy equal equation experimental expressed factor false signal probability field of view Figure Fraunhofer lines function human eye illuminance increase inertia information theory interval Izdatel'stvo AN SSSR Kondrat'ev Luizov luminous flux maximum threshold quantity measurements minimum normal distribution null device number of photons object observation obtained optical thickness parameter photometric photomultipliers photon flux Poisson distribution probability of detection pulses quantity of information radiation field radiation fluxes random variable reduced fluxes scattered radiation scattering diagram scheme sensor Shifrin short-wave radiation sky luminance snow solid angle spectral albedo spectral composition spectral density spectral flux spectral transparency spectrum Table theoretical threshold conditions threshold contrast threshold number total radiation Trudy various visibility visual VTsSPS wavelength