Imaging through the atmosphere for airborne reconnaissance

N. S. Kopeika

doi:10.1117/12.936777

Imaging through the atmosphere for airborne reconnaissance

N. S. Kopeika

Department of Electrical & Computer Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Turbulence, atmospheric background, and aerosol forward scattering MTFs are presented and analyzed with regard to both low elevation rpv and high elevation reconnaissance applications. Turbulence is seen to limit image quality only at very high spatial frequencies where degradation effects are likely to take place anyway as a result of vibrational and diffraction effects. Background and aerosol MTFs limit low spatial frequency contrast as well. However, this can be overcome somewhat by proper selection of imaging wavelength. This analysis can aid in sensor selection for system design from the standpoints of both wavelength selection and sensor resolution.

Original language	English
Pages (from-to)	132-139
Number of pages	8
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	694
DOIs	https://doi.org/10.1117/12.936777
State	Published - 20 Feb 1987

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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abstract = "Turbulence, atmospheric background, and aerosol forward scattering MTFs are presented and analyzed with regard to both low elevation rpv and high elevation reconnaissance applications. Turbulence is seen to limit image quality only at very high spatial frequencies where degradation effects are likely to take place anyway as a result of vibrational and diffraction effects. Background and aerosol MTFs limit low spatial frequency contrast as well. However, this can be overcome somewhat by proper selection of imaging wavelength. This analysis can aid in sensor selection for system design from the standpoints of both wavelength selection and sensor resolution.",

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AB - Turbulence, atmospheric background, and aerosol forward scattering MTFs are presented and analyzed with regard to both low elevation rpv and high elevation reconnaissance applications. Turbulence is seen to limit image quality only at very high spatial frequencies where degradation effects are likely to take place anyway as a result of vibrational and diffraction effects. Background and aerosol MTFs limit low spatial frequency contrast as well. However, this can be overcome somewhat by proper selection of imaging wavelength. This analysis can aid in sensor selection for system design from the standpoints of both wavelength selection and sensor resolution.

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Imaging through the atmosphere for airborne reconnaissance

Abstract

ASJC Scopus subject areas

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