Effects Of Aerosols On Imaging Through The Atmosphere: Spatial Frequency And Wavelength Dependent Effects

N. S. Kopeika

doi:10.1117/12.933998

25 August 1983 Effects Of Aerosols On Imaging Through The Atmosphere: Spatial Frequency And Wavelength Dependent Effects

N. S. Kopeika

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Proceedings Volume 0354, Airborne Reconnaissance VI; (1983) https://doi.org/10.1117/12.933998
Event: 26th Annual Technical Symposium, 1982, San Diego, United States

Abstract

Experiments carried out over diagonal lines of sight through the entire atmosphere support the concept of spatial coherence degradation through forward scattering as described by an aerosol transfer function which strongly affects the wavelength dependence of imaging through the atmosphere. Airborne-particulate size and concentration are affected strongly by wind strength and soil moisture. Changes in weather that result in changes in average particulate size of airborne soil-derived particulates also strongly change the wavelength dependence of resolution through the atmosphere as a result of changes in the wavelength dependence of the scattering coefficient. Knowledge of such effects can therefore permit prediction of spectral regions most suitable for imaging through the atmosphere.

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N. S. Kopeika "Effects Of Aerosols On Imaging Through The Atmosphere: Spatial Frequency And Wavelength Dependent Effects", Proc. SPIE 0354, Airborne Reconnaissance VI, (25 August 1983); https://doi.org/10.1117/12.933998

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KEYWORDS

Atmospheric particles

Modulation transfer functions

Aerosols

Scattering

Spatial frequencies

Light scattering

Turbulence

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