Predicting detection probabilities for gas mixtures over HSI backgrounds

Tardiff, Mark F. ; Walsh, Stephen J. ; Anderson, Kevin K. ; Chilton, Lawrence

Pacific Northwest National Laboratory (U.S.)

关键词: Thermography;    Gases;    Detection;    54 Environmental Sciences;    Mixtures;   

DOI  :  10.2172/1000179
RP-ID  :  PNNL-19069
RP-ID  :  AC05-76RL01830
RP-ID  :  1000179

美国|英语

来源: UNT Digital Library

【 摘 要 】

Detecting and identifying weak gaseous plumes using thermal image data acquired by airborne detectors is an area of ongoing research. This contribution investigates the relative detectability of gas mixtures over different backgrounds and a range of plume temperatures that are warmer and cooler than the ground. The focus of this analysis to support mission planning. When the mission is intended to collect evidence of particular chemicals, the analysis presented is this report can be used to determine conditions under which useful data can be acquired. Initial analyses can be used to determine whether LWIR is useful for the anticipated gas, temperature, and background combination.