Pacific Northwest National Laboratory (PNNL) is presently compiling a quantitative, high spectral resolution (0.10 cm/sup -1/) set of infrared reference data that are specifically designed for atmospheric monitoring, remote sensing, and hyperspectral imaging. The final list of target compounds will contain nearly 500 gas-phase species, whereby each species is reported as a composite reference spectrum at 25/spl deg/C, with most species also having reference data for 5/spl deg/C and 50/spl deg/C. Each composite spectrum is a quantitative Beer's law fit to typically 10 or more individual infrared measurements, whereby each individual spectrum corresponds to a different partial pressure of the sample that has been pressurized to 760 torr with N/sub 2/ so as to emulate atmospheric pressure broadening. Details of the data acquisition protocol and spectral analysis are discussed.
The PNNL quantitative IR database for infrared remote sensing and hyperspectral imaging
01.01.2002
265500 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
The PNNL Quantitative IR Database for Infrared Remote Sensing and Hyperspectral Imaging
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