采用主成分回归和偏最小二乘法分别对血糖近红外光谱进行分析,建立数学校正模型。
Analyze the near infrared spectrum of the glucose concentration using main component regression and partial least square algorithm, build up the adjusting mathematical model.
利用电感耦合等离子体原子发射光谱法对闪锌矿中主元素与微量元素进行测定。
Inductively coupled plasma atomic emission spectrometry was used to determine the main elements and trace elements in sphalerite.
通过求解主方程系数矩阵的本征值与本征矢,我们计算了入射原子团中包含一到四个原子时腔场的光谱与平均光子数,其中着重对单原子与二原子的数值结果作了讨论。
We also calculate the spectra of the cavity field numerically via the eigenvalues and the eigenvectors of the mazer master equation for the case with the number of atoms from one to four.
目的研究便携式拉曼光谱仪对解热镇痛类药品主成分的识别能力。
OBJECTIVE To investigate the identification of principal constituent of the fever-relieved and pain-relieved drugs by Handheld Raman Spectrometer.
提出了一种基于分段主成分分析的高光谱图像波段选择算法。
A segmented PCA based band selection algorithm of hyperspectral image is proposed.
这些方法主要有光谱参数、连续背景扣除、高斯反卷积分析以及主成分分析。
These include continuum removal, Gaussian deconvolution, principal component analysis, and spectral parameters for compositional mapping.
应用化学分析、X射线衍射、红外光谱、扫描电镜、差热热重等分析手段对高山寿山石进行了主矿物的研究。
Based on such analytical means as chemical analysis, XRD, IR, SEM and TG-DTA, the author carried on the research on the main mineral of Shoushan stone from Gaoshan district.
研究了基体元素铁、主量元素钕、镝、钴、硼对杂质元素的光谱干扰情况;
The interference effects of matrix element Fe and high concentration elements Nd, Dy, Co, B on impurity elements were studied.
主成分变换可以很好的压缩信息,但由于它的全局性,使得光谱特征和局部特征没有被更好的保留下来;
PCA is sufficient for reducing data volume, however it fails to preserve the spectral and local characteristic of the original data.
并对非线性主折线算法用于高光谱遥感数据特征提取的效果进行研究和讨论。
A simplified algorithm of nonlinear principal curves called nonlinear principal poly line is developed and its effect for feature extraction of hyperspectral data is researched.
每一个主成分都是原始变量的线性组合,主成分之间互为正交关系,在剔除冗余信息的同时,通过主成分分析的降维,解决光谱数据的存储和处理问题。
Every principle component is the linear combination of the original variables and is irrelevant to each other. The spectra data can be stored and dealt with computer by reducing…
主成分分析是全光谱分光光度分析中常用的校正方法。
Principal component analysis is widely applied to the multivariate calibration.
取代基的影响较小,主链共轭结构对吸收光谱的影响明显。
In short, the influence of the substituents is insignificant. However, the remarkable effect was induced by the conjugated structure in the main chain.
取代基的影响较小,主链共轭结构对吸收光谱的影响明显。
In short, the influence of the substituents is insignificant. However, the remarkable effect was induced by the conjugated structure in the main chain.
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