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1)  Derivative spectrum
导数光谱
1.
After measuring some spectral curves of typical plants a-round Dexing copper mine by spectroradiometer and estimating the position of red edge from hyperspectral data by derivative spectrum technology,it is show that the red edge of plant shifts from originally red to shorter blue.
用成像光谱仪野外测试江西德兴铜矿区典型植被的冠层反射波谱曲线,利用导数光谱评价植被“红边”位置。
2.
The derivative spectrum technique has been widely applied to spectral analysis due to its high resolution and sensitivity.
开发了一种双光束双波长导数光谱技术,在物理上实现了光谱求导。
3.
Based on the work of air radiation simulation using MODTRAN, the possibility to remove atmospheric effects was analyzed, and the concept on atmospheric windows of derivative spectrum was introduced, too.
通过在珠江口水域进行的多个航次的水质与光谱测量,对水体船基现场光谱测量的技术要求进行了探讨,分析了该海区的水质、高光谱特征及其之间的联系,对导数光谱去除水面菲涅耳反射效应的原因进行了探讨;利用MODTRAN大气辐射传输模型的模拟结果等数据,分析了导数光谱去除大气效应的可行性,提出了导数光谱大气窗口的概念;并最终基于导数光谱建立了珠江口水质高光谱反演的模式。
2)  Derivative spectra
导数光谱
1.
0 nm were collected from 500 nm to 620 nm,the second derivative spectra were obtained by calculating date of fluorescence spectra.
分析了白鼠肝纤维化病变过程中血清荧光光谱的二阶导数光谱
2.
The purpose of our experiment was to investigate the quantitative relationships between derivative spectral parameters and photosynthetic organ area.
运用导数光谱分析技术,研究了不同氮肥水平下不同品种油菜(Brassica napus)的叶面积指数(Leaf area index,LAI)及角果皮面积指数(Pod area index,PAI)与冠层导数光谱及其衍生参数的定量关系。
3)  Derivative Spectrophotometry
导数光谱
1.
Application of Derivative Spectrophotometry in Resolving Two-Dimension Data;
导数光谱在二维联用数据解析中的应用
2.
In order to simplify the determination of chemical oxygen demand(COD) of pulping effluent using the conventional methods,a high-speed derivative spectrophotometry-chemometrics method is proposed.
针对传统化学需氧量(COD)检测方法较为繁琐的问题,文中提出了导数光谱-化学计量学方法来快速测定制浆废水COD。
3.
Determination of Remainder Carbendazim-Pesticide in Apple by Derivative Spectrophotometry;
本文利用四阶导数光谱法消除杂质干扰,研究了酸度对多菌灵导数光谱的影响;它在0-25微克/5毫升范围呈线性关系;拟定了苹果样中该农药残留量的测定方法。
4)  Spectral derivation
光谱导数
5)  derivative-ratio derivative spectrum
导数-比导数光谱
6)  Derivative Spectrum
导数光谱法
1.
Method for determination of Natamycin in yoghourt by Derivative Spectrum;
导数光谱法测定酸奶中的纳他霉素
补充资料:导数光谱
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性质:一种分光光度分析技术。以吸光度随波数改变的速度即导数dA/dv为纵坐标,波数为横坐标所记录的光谱图称做导数光谱。纵坐标可以是一次导数,也可以是二次导数。导数光谱的记录是基于光谱信号进行电子学上的对数变换。一次导数作图使吸收曲线形状大为不同,峰值相应导数为零。而二次导数作图同原吸收曲线相似,但谱带变窄。导数光谱不改变峰值位置,但可减弱背景对吸收谱带强度的影响。因此,它主要用来分开叠加在主吸收带上的小吸收带,适用于对小组分的分析。另外,两个能级相近的振动产生的宽谱带,用此法可以将其分开。导数光谱可用带有导数附件的分光光度计测定,也可用计算作图法绘制。

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