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Optical remote sensing
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1991
[PDF-72.55 MB]
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Description:The random absorption and refraction experienced by the electromagnetic wave produce fluctuations in the wave amplitude and phase as observed at a remote point. The impact of these fluctuations on a double-spatial filtering receiver is evaluated by performing a diffraction analysis on the system. The diffraction analysis covers a complete study of an electromagnetic wave propagating through the atmosphere, and through the double-spatial filtering receiver in order to obtain the wave field at the focal plane. The transmitter can be any natural or artificial source. The choice in this configuration is the sun. Theoretically, this technique provides high spatial resolution measurements of wind velocity and turbulence.
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Rights Information:CC0 Public Domain
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Compliance:Library
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