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    • 62. 发明公开
    • ANALYSING SPECTRAL DATA FOR THE SELECTION OF A CALIBRATION MODEL
    • ANALYZE VON SPEKTRALDATEN ZUR AUSWAHL EINES EICHMODELLS
    • EP2286203A1
    • 2011-02-23
    • EP09753779.9
    • 2009-05-06
    • Université de LiègeArlenda S.A.
    • HUBERT, PhilippeZIEMONS, EricMOONEN, François
    • G01N21/27G01N21/35
    • G01N21/274G01N21/3554G01N21/359G01N2201/129
    • The invention relates to a method of analyzing spectral data for the selection of a calibration model relating spectra of a substance to a physical or chemical parameter of the substance over a predetermined range of the physical or chemical parameter, comprising the steps of capturing spectral data of the substance with respective values of the physical or chemical parameter over the predetermined range, applying a plurality of calibration models and mathematical pretreatments to the captured spectral data in dependence upon the values of the physical or chemical parameter, calculating tolerance intervals and a reference level for each calibration model, and displaying the tolerance intervals and the reference level over the predetermined range for each calibration model. In this way, a possibility for analyzing spectra data is provided which is useful in spectroscopic applications and makes analytical interpretation and evaluation easier and more accurate.
    • 本发明涉及一种分析光谱数据的方法,用于选择在物理或化学参数的预定范围内物质的光谱与物质的物理或化学参数相关联的校准模型,包括以下步骤:捕获光谱数据 所述物质具有在预定范围上的物理或化学参数的相应值,根据物理或化学参数的值,对所捕获的光谱数据应用多个校准模型和数学预处理,计算公差间隔和用于 每个校准模型,并且在每个校准模型的预定范围上显示公差间隔和参考水平。 以这种方式,提供了分析光谱数据的可能性,这在光谱应用中是有用的,并且使分析解释和评估更容易和更准确。
    • 64. 发明公开
    • System and method for detecting water vapor within natural gas using harmonic spectroscopy
    • 系统和方法,用于使用谐波光谱天然气在检测水蒸汽的
    • EP2233915A1
    • 2010-09-29
    • EP10006553.1
    • 2004-02-11
    • SpectraSensors, Inc.
    • May, Randy
    • G01N21/35G01N21/39
    • G01J3/4338G01N21/05G01N21/3504G01N21/3554G01N21/39G01N2021/354G01N2021/399
    • A technique for detecting water vapor in natural gas is disclosed, wherein a light source (519), e. g., tunable diode laser, VCSEL, color center laser, or quantum cascade laser, emits light modulated at a given frequency and having a wavelength corresponding to a single absorption line where water molecules absorb light at a substantially greater level than methane, e. g., 920 to 960 nm, 1.877 to 1.901 micron, or 2.711 to 2.786 micron, into a sample of natural gas, the intensity of light transmitted through said sample is detected by a detector (523), and the water vapour content is determined by processing electronics (531) from said detected intensity using harmonic spectroscopy. Optionally, a second value for the water vapour content is simultaneously determined using a chemical sensor.
    • 一种用于检测在天然气中的水蒸汽技术游离缺失盘,worin光源(519)中,e。 克,可调谐二极管激光器,VCSEL,色心激光器,或量子级联激光器,可发出在给定频率调制的光并且具有波长对应于其中的水分子在高于甲烷,例如显着更大的水平吸收光的单个吸收线。 克,920至960纳米,1877至1901微米,或2711到2786微米,成天然气的样品,的光反式通过所述样品mitted强度由检测器(523)检测到的,并且所述水蒸气含量是确定性矿洞 通过从所述强度处理电子器件(531),使用谐波光谱检测。 可选地,对于水蒸汽含量的第二值被同时确定使用化学传感器开采。