查询词典 spectral theorem

So it is very important to found a higher accuracy standard of spectral irradiance and spectral radiance.

因此建立一个高精度的光谱辐照度和光谱辐亮度标准是非常必要的。

Established a series of results on the Jacobi approximation, and proposed the Jacobi spectral method for singular problems, which produces the possibility of using spectral mcthod for problems in a ball.

最近，郭本瑜教授等建立了一套相当完整的Jacobi正交逼近理论，并提出了适合于一类奇异问题的Jacobi谱方注。

A three-level filtered spectral forecast model including orography has been developed, using the difference method, vertically, the degradation of dimensionality, and a perfect spectral method latitudinally and pseudo-spectra methods longitudinally.

文中，非线性项的处理用了变维方法，纬向的"完全的谱方法"及经向的"准谱方法"，既有利于克服非线性不稳定，且能大大节省计算量及存储量，使之能在小型计算机上实现其程序设计。

On this basis, it deeply analyzesed the spatial geometry structure of hyper spectral data lattice distribution, concluded that high\|dimensional space of remote sensing hyper spectral data belong to low\|dimensional geometry structure \|"hyperplane" shape, and anomaly point group which includes alteration information usually dissociates out the "hyperplane".

在此基础上，对高光谱数据点阵分布的空间几何结构进行了深入的研究分析，推断出遥感高光谱数据集合的高维空间属于低维几何结构"超平面"形态，而包含蚀变信息在内的异常点群通常会游离在"超平面"之外。

The repeatability limit and ANOVA unitary variance analysis were used to evaluate the determination. The results indicated that the physical state of steel sample had no significant influence on the accuracy of spectral analysis. The uniformity of composition distribution in lumpish sample was the main factor influencing the accuracy of spectral analysis for steel products.

试验提出采用光谱分析方法的重复性限r和ANOVA一元方差分析进行结果的分析判定，结果表明：钢样的物理状态对光谱分析准确度无显著影响；块状试样成分分布的均匀与否，是影响钢材成品的光谱分析准确度的主要原因。

A novel method for spectral similarity measure, which is called nonlinear spectral angle mapper, is presented.

提出了一种新的光谱相似性度量方法，即非线性光谱角制图。

At last, spectral angle mapper is used to measure spectral similarity.

最后，用光谱角制图方法对合并后的反射和吸收特征向量进行相似性度量。

In order to find a powerful assistant computation tool for further analysis and design of multilayer optical coatings,an analytical model is mathematically established for accurate calculation of the first and second derivatives of the spectral coefficients of multilayer optical coatings with respect to layer parameters like thickness,real refractive index and extinction coefficient. It is based on the matrix theory of calculating the spectral coefficients of multilayer optical coatings and is achieved by perfectly using the trace operation of matrix.

为了寻找一种膜系深入分析与设计的有力辅助计算工具，从光学薄膜光谱系数的矩阵计算理论出发，基于对矩阵求迹运算的巧妙运用，从数学上建立了准确计算膜系光谱系数关于膜层几何厚度、实际折射率和消光系数等膜层参数的一阶和二阶偏导数的解析模型。

Modern power spectral estimation is applied in leakage current analysis in thispaper and the global character of leakage current is obtained by associated analysis ofpower spectral character and root mean square value of leakage current.

将现代功率谱估计的方法应用于泄漏电流分析中，通过泄漏电流的功率谱特征与泄漏电流时域特征中的有效值的联合分析，更好地把握了泄漏电流的总体特征。

The spectral broadening is the key. At present, the spectral broadening by usinghollow fiber filled with noble gas is most feasible.

而光谱的展宽更是其中的关键步骤，目前利用冲惰性气体的中空光纤来进行光谱展宽，是最可行的方法。

Putt your way through 36 fun-filled holes of minigolf on 3D designed courses with elevated greens, bunkers, bridges and water hazards, among other crazy obstacles.

您的推杆方式，通过36个有趣的填孔迷你的三维设计的课程，以提升绿党，掩体，桥梁和水的危害，除其他疯狂的障碍。

Some participles can be used either as attributes or as predicatives.

有些分词既可当定语用，也可当表语用。