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    • 16. 发明授权
    • Two line gas spectroscopy calibration
    • 两线气相色谱校准
    • US07787123B2
    • 2010-08-31
    • US12067789
    • 2006-10-04
    • James Howell
    • James Howell
    • G01N21/39
    • G01J3/42G01J3/02G01J3/0286G01J3/0291G01J3/108G01J3/36G01N21/15G01N21/274G01N21/3504G01N21/39G01N2021/151G01N2021/399
    • A method of calibrating an absorption spectroscopy measurement wherein the calibration method includes projecting laser light through a sample of a first quantity of a gas of interest and a second irrelevant quantity of a spectroscopically identical or similar gas (10). The first and second spectroscopic absorptions of the laser light are measured over specific first and second absorption lines. A functional relationship is determined between the first and second measured spectroscopic absorptions and two unknown variables. The function relationships may then be simultaneously solved to determine one or both unknown variables and thereby obtain a measurement relating to the first quantity of the gas of interest, calibrated for the second irrelevant quantity of gas.
    • 一种校准吸收光谱测量的方法,其中所述校准方法包括将激光投射通过目标气体的第一量的样品和与光谱相同或类似气体的第二无关量的气体(10)。 在特定的第一和第二吸收线上测量激光的第一和第二光谱吸收。 在第一和第二测量的光谱吸收和两个未知变量之间确定功能关系。 然后可以同时解决函数关系以确定一个或两个未知变量,从而获得与第二无关量气体相关的第一数量的关注气体的测量值。