Nondispersive infrared absorption analyzer measures radiation absorption of specific gases. Apparatus uses feedback nulling to measure weak signals.
Density measurements of trace gases
NASA Tech Briefs ; 2 , 2
1977-09-01
Miscellaneous
No indication
English
Far-infrared measurements of trace gases
NTRS | 1980
|Retrieval of Stratospheric Trace Gases from Sciamachy Limb Measurements
British Library Conference Proceedings | 2006
|NTRS | 2005
|