ELEMENTS AND ARRAYS FOR GAS-MIXTURES

被引：0
|
作者：
KOHL, D
机构：
[1] Institute for Applied Physics, University, Gießen, Gießen, D-6300
来源：
PHYSICA SCRIPTA | 1993年 / T49B卷
关键词：
D O I：
10.1088/0031-8949/1993/T49B/028
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Solid state gas sensor devices exhibit a high sensitivity in the ppm range and can be applied for the detection of noxious or explosive gases and vapours in air. Detection principles are outlined and examples for a spectroscopical characterization of gas-surface interactions are given. An improved specificity is attained by the use of sensor arrays and a computational evaluation, e.g. by a neural network. Recent realizations of such multisensor arrangements are discussed.
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页码：544 / 548
页数：5
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