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Atmospheric degradation of electrooptical system performance
Applied Optics
|March 9, 2010
Summary
A new tool, the total atmospheric mutual coherence function, analyzes Earth observation system performance considering molecules, turbulence, and aerosols. This function aids in understanding atmospheric impacts on EO systems.
Area of Science:
- Atmospheric optics
- Remote sensing
- Optical engineering
Background:
- Earth observation (EO) systems are affected by atmospheric conditions.
- Understanding the combined impact of atmospheric molecules, turbulence, and aerosols is crucial for EO system performance analysis.
Purpose of the Study:
- To introduce the total atmospheric mutual coherence function (TAMCF) as a novel tool.
- To analyze the performance dependence of various EO systems on atmospheric effects.
Main Methods:
- Derivation of analytic expressions for the TAMCF.
- Inclusion of standard atmospheric parameters like absorption and scattering coefficients, and refractive index structure parameter (Cn2).
Main Results:
- The TAMCF provides a unified approach to assess atmospheric influences.
- Analytic expressions were successfully derived and applied to analyze specific EO systems.
Conclusions:
- The TAMCF is an effective tool for evaluating the performance of EO systems.
- This function facilitates a comprehensive understanding of atmospheric effects on optical measurements.
