与传统PML相比,该边界条件不仅可以吸收传播模,而且还可以吸收低频凋落模。
Comparing with the traditional PML, the CPML can absorb the propagating modes, but also be highly effective at absorbing low frequency evanescent modes.
本文讨论了波导hcn激光器输出的EH11模在自由空间中的传播模式,并与理论进行了比较。
The propagation pattern of the EH11 mode of waveguide HCN laser in free space is discussed and compared with the theory.
将这个熟悉的过程定义为模因传播的关键是我们可以探索它与基因传播的类比。
The whole point of defining this familiar process as transmission of memes is so that we can explore its analogy with the transmission of genes.
这些模因正在全世界范围内传播,并且大有吞噬我们原有文化之势。
These memes are spreading around the world and they are wiping out whole cultures.
用保偏光纤作为传感光纤的分布式光纤传感器,被测外界量引起保偏光纤中传播的两正交偏振模的相互耦合。
For a distributed fiber sensor taking a polarization-maintaining fiber as sensing fiber, the environment factors induce the orthogonal polarization modes propagated in the fiber coupling each other.
本文利用微扰法,导出了克尔型非线性对称平板光波导t E模传播常数的近似计算公式。
A perturbation method has been developed to derive the approximate computing formulae of propagation constants for te modes on Kerr-type nonlinear symmetric slab optical waveguides.
导出了克尔非线性梯度折射率光纤轴对称模传播常数的解析公式。
The analytic formulas of propagation constants of axisymmetric modes in a Kerr law nonlinear graded index optical fiber are derived.
重复与类推是模因复制与传播的重要机制,而这一切与人的模仿天性不无关系;
Repetition and analogy are two crucial mechanisms responsible for the replication and transmission of memes.
学语言本身就是语言模因复制、传播的过程(何自然,2005)。
Learning language is the process of meme copy and transmission of languages (he Ziran, 2005).
在一定条件下它是可控的。受控成模后在线性介质中传播保持其模不变。
It could be controlled under some conditions. Controlled beam becomes mode which is unchanged propagation in linear media.
本文第一部分运用耦合模理论推导了在光纤光栅中传播的光的基本传输方程以及给出各个参数的物理意义。
Firstly, basic transmission equation of transmitted light is given using coupled-mode theory in Fiber Bragg Gratings and physics meaning of every parameter is given.
应用傅里叶交换法计算了硅光波导中导模的传播常数。
The Fourier transformation is used to calculate the propagating constants of the Si waveguides.
从模因论角度看,语言本身就是一种模因并作为模因载体进行传播。
According to memetics, language itself is a meme and spreads as the carrier of other memes.
保偏光纤中两正交偏振模受外场作用,其传播速度发生变化,形成相位差。
The propagation velocities of the two orthogonally polarised modes in a "polarisation-maintaining" fiber are changed when exposed to external fields resulting in phase difference.
模因论引入了信息复制传播的观点,为广告语的分析和创作提供了一种新的视角。
Memetics, introducing the idea of information replication and transmission, provides a new prospective for the appreciation and creation of successful advertising slogans.
得出了共模干扰传播通道的简化模型,该模型的传递函数特性主要由数值较大的杂散参数决定。
The simplified common mode model of coupling paths is also built and its characteristics are mainly influenced by those biggish stray parameters.
在此基础上分析了归化翻译和井化翻译与模因传播的关系。
It also analyzes the relationship between alienation, domestication and the transmitting of meme.
导出了在对数饱和非线性介质中传播的强激光基模高斯光束宽度随传播距离变化的方程。
The variation equation describing distance dependence of the beam waist of a fundamental Gaussian beam with high intensity propagating in logarithmically saturable nonlinear media has been deduced.
一阶振荡导模的传播常数随着平板厚度的减小而增加,此性质与传统的金属包覆波导不同。
The propagation constant increases with decreasing slab thickness for the first-order oscillating mode, which is different from that in traditional metal-cladding waveguides.
语言模因在模仿、复制和传播的过程中具有模仿的选择性、复制的周期性和传播的变异性特点。
During the process of imitation, copy and spreading, linguistic memes embody the following characteristics: the selectivity of imitation, the periodicity of copy and the variability of spreading.
运用光在分层介质中传播的特征矩阵方法,通过数值计算,研究了掺杂一维光子晶体中光子禁带及杂质模的特性随不同偏振光及入射角的变化。
The characteristics of photonic forbidden band and impurity mode in doped one-dimensional photonic crystal were investigated by numeral simulated calculation with the method of characteristic matrix.
保偏光纤内部的高双折射,使得其内部传播的偏振主模和耦合模之间存在着一定大小的光程差。
The main polarization mode and coupling mode in PM fiber has some optical path difference because of internal birefringence.
而在赤道附近,传播扰动是快模磁声波,在源区附近还存在一非传播的扰动。
Whereas in the vicinity of solar equator, propagating disturbance is regarded as fast mode wave, and a standing disturbance is found to be located near the source region.
本文以模因理论为基础,探讨了模因的传播过程对翻译的影响。
This paper discusses the effect of the transmission of meme on the practice of translation based on the theory of memetics.
本课题主要研究椭圆芯光纤的传播特性,为研究基于模间干涉的光纤电压互感器奠定理论基础。
The research on the propagation characteristics of elliptical-core fiber in this paper is a basic theoretical research work for the study of the voltage sensor based on modular interference.
共模干扰和差模干扰是传导emi的两种传导形式,本文从产生源、传播路径方面分别对共模干扰和差模干扰进行了论述。
CM and DM are the two conducted form of the conducted EMI, this paper discuss the CM and DM in the noises.
那些不断得到复制和传播的语言、文化习俗、观念或社会行为都属于模因。
Those languages, cultural customs, ideas and behaviors are memes so long as they are imitated and transmitted by people.
那些不断得到复制和传播的语言、文化习俗、观念或社会行为都属于模因。
Those languages, cultural customs, ideas and behaviors are memes so long as they are imitated and transmitted by people.
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