查询词典 spectral

It obtained analytic expression or arithmetic solution of the mean value, the mean square value, the related function and the spectral density function of heat conduction system of 0-D, 1-D, 2-D and 3-D, by applying stochastically theory of linear system and the results of the first part.

该部分利用线性系统的随机理论和第一部分的成果，获得了0维、1维、2维和3维导热系统均值、均方值、相关函数、谱密度函数的解析表达式或数值解。

Template match algorithm ; template identification technology ; spectral fingerprint ; mean vector test

模板比较算法；模板识别技术；能谱指纹；均值向量检验法

Through simulation, the size of the filter template affecting on filtering imaging is investigated, the filtering effects of second mean filtering method and vector filtering method at the same size of filter template is comparised, the curve distribution of power spectral density of second mean filtering method and vector filtering method is analyzed.

仿真实验研究了滤波模板的大小对滤波效果的影响，比较了在同样模板的选取下向量滤波方法与二次均值滤波法的滤波效果，分析了向量滤波方法与二次均值滤波法的功率谱密度分布。

Terahertz time-domain spectroscopy has been used to measure the spectral properties of polycrystalline 1,2-naphthoquinone, 1,2- naphthoquinone-4-sulfonic acid sodium salt , Menadione, Plumbagin, Juglone at room temperature.

用太赫兹时域光谱技术研究了室温条件下的萘醌及其衍生物1，2-萘醌、1，2-萘醌-4-磺酸钠、甲萘醌、白花丹素、胡桃醌的光谱特征，得到了各自的吸收谱和折射率。

To determine the inclusion of various mercaptan molecules by β-CD with phenolphthalein as a spectral probe.

以酚酞作为光谱探针，采用竞争紫外-可见光谱法研究了β-环糊精在30.0℃，pH=10.50的Na2CO3-NaHCO3缓冲溶液(25.0×10-3mol/L)中与一系列硫醇客体分子的包合作用。

In the gas-liquid phase reaction of catalytic oxidation of mesitylene by air to synthesize trimesic acid and the related process,an analysis method of reaction components was proposed,which includes chromatographic analysis,mass spectral analysis,IR spectrum,atomic absorption spectrophotometer and chemical titration for the purpose of analyzing reaction groups.

针对均三甲苯气液相催化空气氧化合成均苯三甲酸的反应及相关的工艺过程中，反应产物均苯三甲酸的分析问题，提出以色谱分析、质谱分析、红外光谱分析、原子吸收光谱分析及化学滴定为主要分析手段对反应组分进行分析，重点研究并建立了相关的分析方法。

This thesis focuses on the spectral function of rho meson in hot and dense pion medium.

本文主要讨论了热密π介子环境中的ρ介子谱函数。

On the basis of the Young-Helmholtz theory, a method for assessing degree of metamerism of colored objects is developed by using the concept of average Hamming distance in terms of the differences of spectral visual response.

根据杨赫姆霍尔兹对立学说，运用模糊性度量中平均Hamming距离的概念，提出了以光谱视觉响应差异为基础的同色异谱程度评价方法，分析结果表明该评价方法优于CIE的评价方法。

Taking the Guyang county of Baotou city as a test area, the ETM ＋ multi spectral data and CBS pan data are merged by the method of Principal Components Analysis.

为解决此问题，笔者以包头固阳县为研究区，利用主成分变换的方法，对多源遥感影像（ETM＋多光谱数据和中巴资源二号卫星全色波段数据）进行融合处理；同时，在分类中，采用监督分类辅以目视解译分类法相结合的混合分类法，改进训练样本选取方法，进行变化信息的提取，同时给出了易混淆地物的遥感解译标志。

Effect of light resource in spectral method of tongue inspection metrization

舌诊历史悠久，是中医诊断方法的重要组成部分，在中医诊断学中具有举足轻重的作用。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。