Infrared gas detection and spectral analysis method

Details Infrared gas detection and spectral analysis method Infrared gas detection and spectral analysis method

2011-06-07

2011-06-07

Wu, Daniel (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C073S023350, C356S300000

Reexamination Certificate

active

07956761

ABSTRACT:
A gas detection system and method for analysis of infrared gas spectra is used for chemical threat detection, quantification and alarm, using a chemical library, a chemical threat list, and a background model that incorporates the data history, allows spectra containing interferent signals into the background model, the model being updated using delay buffering to prevent threat spectra incorporation and using exponential decays to preferentially represent recent background history, all computed in the logarithmic space for rapid detection and alarm.

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