Based on the infrared spectrum absorption characterization of methane gas, the long optical distance differential absorption method for methane detection is studied.
基于甲烷气体的红外光谱吸收特性，研究了长光程差分吸收式甲烷气体检测的方法。
This paper proves the principle of equal influence is unreasonable in electro-optical distance traverses, proposes the reasonable accuracy of angular measure and linear measure.
论证了光电测距导线中“等影响”原则的不合理性，提出了角度测量和边长测量的合理精度。
This paper proves the principle of equal influence is unreasonable in electro-optical distance traverses, proposes the reasonable accuracy of angular measure and linear measure.
论证了光电测距导线中“等影响”原则的不合理性，提出了角度测量和边长测量的合理精度。
应用推荐