26 April 2007 Detection and classification of atmospheric aerosols using multi-wavelength CO2 lidar
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Abstract
This paper presents an overview of recent work by ECBC in algorithm development for parameter estimation, detection, and classification of localized aerosols in the atmosphere using information provided by multiple-wavelength rangeresolved lidar. The motivation for this work is the need to detect, locate, and identify potentially toxic atmospheric aerosols at safe standoff ranges using time-series data collected at a discrete set of CO2 laser wavelengths. The goals of the processing are to use the digitized transmitted and received backscatter array data to (1) decide if significant aerosol is present, (2) provide estimates of the range and size of the aerosol cloud, (3) produce estimates of the backscatter spectral dependence, and (4) use the backscatter signatures as feature vectors for training and implementation of a support vector machine aerosol classifier. The paper describes examples this processing derived from an extensive set of data collected by ECBC during JBSDS field-testing at Dugway Proving Ground.
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Russell E. Warren, Richard G. Vanderbeek, "Detection and classification of atmospheric aerosols using multi-wavelength CO2 lidar", Proc. SPIE 6554, Chemical and Biological Sensing VIII, 65540V (26 April 2007); doi: 10.1117/12.722414; https://doi.org/10.1117/12.722414
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