High-Resolution Atmospheric-Transmission Measurement Using a Laser Heterodyne Radiometer

King, Stephen R.; Hodges, D. T.; Hartwick, T. S.; Barker, D. H.

doi:10.1364/ao.12.001106

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Cited by 18 publications

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“…(1) can be rewritten LObS(v)={rA(LB-LA)+LA}+VA(l-rT)(LT-LB) (2) where the first term is mainly the radiance ofbackground, the second term is mainly radiance ofthe target cloud. CA the emissivity of air between target and instrument, 6A TA .…”

Section: Theoretical Basismentioning

confidence: 99%

Spectral background suppression of remote detection pollution clouds for real-time discrimination system

Zhang

Xun

1998

SPIE Proceedings

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Infrared spectra from the several typical pollution clouds are observed remotely using a passive Fourier Transform Infrared Spectrometer. The primary purpose ofthe study is to determine an efficient method to distinguish hazardous-cloud from several clouds. Spectral pattern recognition techniques are employed to suppress the strong and highly vaxying background to extract the very weak emission features from measured spectra. It can be used to discriminate specific pollution cloud between several smokes and interferents.

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Section: Theoretical Basismentioning

confidence: 99%