介绍了可调谐二极管激光吸收光谱法测量煤矿瓦斯气体的基本原理，给出了测量系统的结构框图。
In this paper, principles of measuring gas in coal mine according to tunable diode laser absorption spectroscopy are introduced and outline of this measuring system is given.
本文首先简述了二极管激光吸收光谱术（DLAS）用于燃烧多组分多参数测量和控制的原理和方法。
The principle of diode laser absorption spectroscopy (DLAS) applied to the combustion measurement of multi-species and multi-parameters is first briefly introduced in this paper.
红外可调谐二极管激光吸收光谱技术作为新的痕量气体监测分析方法，在大气化学研究和污染气体监测中得到了应用。
Tunable diode laser absorption spectroscopy has been applied in the fields of atmospheric chemistry and monitoring pollutant gases as a new method of measuring trace gases.
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