spectral representation

In this paper,the discrete Fourier transform is used to describe the structure and spectral representation of cyclic codes C of length N=pkn.

使用离散傅立叶变换(DFT),得到Zq(q=ps)上长度为N=pkn(其中(n,p)=1,p为素数)的循环码的谱表示和结构,并利用循环码的谱表示计算出了码的汉明重量,这对Zq上长为pkn循环码的构造和译码有重要作用。

Based on effective medium approximation, self-consistent mean field approximation and the spectral representation method were adopted to investigate the temperature dependence of optical bistability of metal/dielectric granular composite.

应用有效媒质近似,结合自洽平均场理论和谱表示方法,研究了金属电介质颗粒复合介质的光学双稳行为与温度的关系。

In the non-dilute limit,optical bistability of the non-linear coated spherical composites was studied by introducing spectral representation method and a self-consistent mean field theory.

利用等效的方法推导了浸在基质中的带壳非均匀介质球颗粒的等效介电常数,将谱表示法引入到解决三组分以上的非线性球颗粒体系问题中,在非稀释极限下,对体系的有效介电常数和颗粒内部的局域场作了研究,探测了这类颗粒复合体系的光学双稳。

A novel method for ergodic wind field simulation is proposed by incorporating proper orthogonal decomposition-based spectral representation method and doubleindexing frequencies.

提出了特征正交分解(Proper Orthogonal Decomposition,POD)型谱表示法的各态历经风场模拟公式。

Nowadays,original spectral representation method is the most popular method for Monte Carlo simulation of bridge turbulence wind velocity fields.

为提高原型谱表示法的计算速度,将特征正交分解的强形式,即基于功率谱矩阵的随机过程特征正交分解(SPT)引入到谱表示法中,代替原有的对功率谱矩阵的Cho lesky分解,并给出了实用的模拟公式。

The proper orthogonal decomposition(POD)-based spectral representation method is used to digitally simulate wind fields around bridges with wind passage effects.

将特征正交分解型谱表示法运用于模拟具有桥塔风效应的桥梁风场中。

Based on the angular spectrum representation and strict modal theory, the propagation of linearly polarized Gaussian beams through a bar relief diffraction grating whose characteristic size is comparable with the wavelength, and the influence of errors of grating structure parameters on the maximum intensity in the relief layer are studied.

使用角谱表示和严格的模式理论研究了线偏振高斯光束通过特征尺寸与波长可比拟的条形浮雕光栅的传输,系统参数误差对浮雕层中光强最大值的影响。

Repeated-root Cyclic Codes;

使用离散傅里叶变换(DFT),得到长度为N=psn的q—元重根循环码的谱表示和重根循环码的结构,这对重根循环码的构造及译码有重要作用。

Based on the spectral representation theory and the perturbative expansion method, the general expressions for effective nonlinear responses (χ e and η e) are derived for any complicated micro structures.

利用谱表示理论和微扰展开法 ,从理论上给出了适合于一般微结构复合体系的有效非线性响应的一般表示式 ,并结合有效媒质近似 (EMA) ,在弱非线性条件下研究了由三阶非线性组分 (体积分数为p)和线性组分构成的非线性复合体系的有效非线性响应 ,讨论了复合体系的有效介电常数ε～e =εe+χe｜E0 ｜2 +ηe｜E0 ｜4 中的有效三次非线性响应 χe 和有效高次非线性响应 ηe 与体积分数p和退极化因子L之间的关系 ,分析了非线性组分的介电常数为复数情形时体系的有效高阶非线性响应 ,从理论上说明了组分的高次非线性响应对整个复合体系的有效介电常数的影响 。

Spectral Representation Theorem of Cowen-Douglas Operators;

Cowen-Douglas算子的谱表示定理

the sharps or flats that follow the clef and indicate the key.

谱号后表示基调的高调或低调。

tonic sol - fa

(用唱名表示的)唱名记谱法(教唱法)

A diagram showing a family lineage;a family tree.

宗谱一个显示家庭后裔情况的图表

Wide-band Multi-spectral Space for Color Representation Based on Aitken PCA

色彩的宽带多光谱空间表示法(英文)

Any of various symbols used in notation to indicate that a series of notes is to be repeated.

省略号在记谱中表示一系列被重复音符的记号

a musical notation written on a staff indicating the pitch of the notes following it.

置于五线谱一行之首表示高低音的音乐符号。

In Fig 10 are shown the MIR spectra of the back and face of a sateen fabric.

图10表示贡缎里和面的多次内反射光谱。

Several different names have emerged to characterize different parts of the spectrum.

几个不同的名称用来表示电磁波谱的不同部分。

A graphic or other representation of such a line.

光谱线表示这种光线的图案或其它方法

A symbol for such a tone, indicating pitch by its position on the staff and duration by its shape.

音符以其形状并以其在谱表上的位置表示一定间高的符号

The general question of size distribution and its representation was briefly discussed.

谱分布及其表示法的一般问题已简单地讨论过了。

Faces are painted in different patterns with different colors to reveal their insistent characters.

脸谱中不同的图案和色彩分别表示不同的人物性格。

The Information Extraction and Quantitative Expression of Near Infrared Spectrum in Condensed Systems;

复杂凝聚态体系中近红外光谱信号的信息提取及定量表示

MASS OF THE BARYON IN ″-t3 SUf(3) SUBGROUPS SYMMETRY REPRESENTATION;

在″-t_3表示中满足SU_f(3)亚群对称的b、t重子质量谱

Low-dimensional multi-spectral space for color reproduction based on nonnegative constrained principal component analysis

基于非负主成分分析的低维光谱色彩空间表示法(英文)

Mapping of spectral coefficients for normalized Haar transform in (0,1) coding and the transformation between to K map

(0,1)编码的归一化Haar变换谱系数的图形表示及其与K图的转换

Enhanced hyperspectral imagery representation via diffusion geometric coordinates

基于扩散几何坐标的高光谱影像的增强表示(英文)