Spatial-Spectral Sensor Techniques for Detection of Atmospheric Turbulence

This report addresses the problem of utilizing spatial-hyperspectral imaging capabilities of spaceborne sensors to detect and characterize regions of atmospheric turbulence and cirrus cloud clutter which may impact employment and/or performance of space based laser and airborne high energy laser wea...

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Bibliographic Details
Main Authors: Sears, Robert D, Broadfoot, Lyle
Format: Report
Language:English
Subjects:
ABL(AIRBORNE LASER)
AIRGLOW
ATMOSPHERIC DISTURBANCES
Atmospheric Physics
CIRRUS CLOUDS
CLEAR AIR TURBULENCE
CROSS CORRELATION
Directed Energy Weapons
FORWARD LOOKING INFRARED SYSTEMS
HIGH ENERGY LASERS
HYPERSPECTRAL IMAGERY
Infrared Detection and Detectors
INFRARED IMAGES
INFRARED SPECTRA
LASER WEAPONS
SATELLITE IMAGERY
SBIR(SMALL BUSINESS INNOVATION RESEARCH)
SBL(SPACE BASED LASER)
SPACE BASED
TRIANGULATION
ULTRAVIOLET SPECTRA
WIND
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Summary:This report addresses the problem of utilizing spatial-hyperspectral imaging capabilities of spaceborne sensors to detect and characterize regions of atmospheric turbulence and cirrus cloud clutter which may impact employment and/or performance of space based laser and airborne high energy laser weapons systems. Our concept for worldwide detection, characterization and mapping of atmospheric turbulence and cirrus clouds involves use of satellite-borne (and possibly airborne) spectral and hyperspectral imagers operated in the UV to MWIR spectral range in virtual triangulation geometry. Spectral and hyperspectral imagery allows altitude sounding of atmospheric clutter from turbulence and cirrus clouds. Triangulation geometry allows precise attitude selection by cross correlation of the backscatter signals. The combination of attitude and Fourier-space background spectral discrimination will provide an attitude resolved measurement of atmospheric clutter from the clear air turbulence and from cirrus clouds, both of which may affect performance of the SBL (Space Based Laser) and the Airborne Laser (ABL) systems. Prepared in collaboration with Arizona Univ., Lunar and Planetary Lab., Tucson, AZ