查询词典 spectral property

With the knowledge of linear algebra, general formula for arbitrary order Taylor finite difference has been derived. In this paper, the analysis of spectral property and computational error of arbitrary order TFD is presented in detail. Then it is applied into the numerical solution of Maxwell's equations. Stability condition and numerical dispersion relation are derived.

本文借助于采样定理，详细分析了不同阶Taylor中心差分格式的谱特性以及计算误差，并将任意阶Taylor中心差分格式用于数值求解麦克斯韦方程中，严格导出了稳定性条件和数值色散关系的表达式，引入了新的误差定义来衡量算法的好坏。

The results can explain the diversity of spectral property and the experimental bandwidth wider than that calculated.

这些结果可以解释实验测得的全息光栅衍射光谱带宽较宽和光栅衍射光谱的多样性。

The important influence of hydrogen bond on the structures, the energies and the spectral property was revealed.

研究发现氢键对加合物的几何构型、能量、光谱性质均有很大的影响。

The spectral property of the uniform fiber Bragg grating in the high-birefringence photonic crystal fiber are studied.

研究了具有高双折射的光子晶体光纤中均匀布拉格光栅的光谱特性。

The spectral property of iodine molecule filter near 532nm is calculated and measured.

对作为频率检测器件的碘分子滤波器在532nm附近的光谱特性进行了分析和测量。

The microstructure, the spectral property and the laser performance of the prepared Nd:YAG ceramic were studied.

研究了室温下Nd：YAG透明陶瓷的显微结构、光谱及激光性能。

The cause of above phenomenon has been analysied.The effect of the ligand to the center ion′s spectral property has been discussed.

分析了上述现象产生的原因，讨论了配体对中心离子发光性能的影响。

This paper makes use of popular devices in lab for measuring the spectral property of fiber grating. This makes the basic condition for developing the study of fiber grating.

论文研究使用实验室常用仪器来测量光纤光栅的光谱特性，为开展光纤光栅的研究工作创造了基本条件。

By analyzing the quantity relationship between spectral property and sandy land,the variation rules of spectral property of surface features were found,and thus the evidence was provided to the extraction and quantitative analysis of sandy land in respect of spectrum.

分析地物光谱特征与土地沙化间的数量关系，找出地物光谱特征变异的规律，从地物光谱的角度为遥感影像中沙化土地提取和定量分析提供依据。

At first, the paper quote a kind of special matrix ---sign symmetric matrix , anti sign symmetric matrix , weakly sign symmetric matrix and introduced some important results in spectral property about them from some bibliographies. And then, the paper extended the formerly results and gave more general conclusions about spectral property of sign symmetric matrix.

本文首先引入了一类特殊矩阵的概念——符号对称矩阵，反符号对称矩阵以及弱符号对称矩阵，在相关文献中对这类矩阵谱特征的已经有了一些结论，本文在前人研究的基础上将相关结论做了进一步的推广，得出了有关这类符号对称矩阵谱特征的更一般性的结论。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。