查询词典 propagation

Pertaining to a material whose electrical or optical properties vary with the direction of propagation or with different polarizations of a traveling wave.

关于一种物质的术语，其电特性或光特性随传播方向而变化或随传播中波的极化不同而变化。

In the meantime, the influence of anisotropy and the influence of propagation direction on the velocity and its vectorization for four body waves are numerical investigated.

结果发现在饱和土中，ζ〓、ζ〓对qP〓波的影响极小，对qP〓波和qSV波影响较大，与SH波无关。

An electromagnetic wave consists of fluctuating electric and magnetic fields, perpendicular to each other and to the direction of propagation, as described in detail in front.

一列电磁波由一系列频率的电场和磁场，它们相互垂直并垂直于波的传播方向，这在前面已详细做过说明，按照惯例，偏振方向就是电场的速度方向，而不是磁场。

Elastic anisotropy means that velocity depends on the direction of propagation, this angular dependence of velocity is expected to influence reflectivity changes with offset.

弹性各向异性意味着弹性波传播速度与传播方向有关，这种速度对入射角的依赖性必然会影响反射振幅随偏移距的变化。

The analysis of theory and experiments shows that dark photovoltaic solitons depend on the direction of propagation,orientation of the intensity gradient,with respect to the crystalline axes of the medium.

实验和理论分析表明，暗光伏孤子的形成与光的传输方向，强度梯度与晶体c轴夹角有关；只有在一定的条件下，才能得到稳态的部分空间非相干暗光伏孤子。

According to the multi-scale propagation characteristic of image edge and noise as well as principle of edge detection using wavelet transforman,an algorithm based on cubic B-spline wavelet and directional derivative is presented.

根据图像边缘及噪声的多尺度传播特性和小波边缘检测的基本原理，提出了一种基于方向导数和三次B样条小波的边缘检测算法。

By the nonlinearity of the propagation medium-air, the audible sound with high directivity can be produced.

利用超声波在空气中传播的非线性交互作用，可以产生高指向性的可听声音。

It is presented that the laws of electromechanical disturbance propagation in a discrete uniform chain power system.

研究机电扰动在均匀离散的链式电力系统中的传播规律。

To make occurrence degree prediction, single factor regression algorithms, stepwise regression algorithms, discriminatory analysis, Markovian model, fuzzy mathematics theory and Back propagation neural network algorithms are studied and models are builded.

将筛选出的主要气象因子作为预测因子，分别用单因子回归预测法、逐步回归预测法、判别分析预测法、马尔柯夫链预测法、模糊数学预测法与神经网络预测法建立了关中地区小麦吸浆虫的发生程度的预测模型。

Simulated example illustrates the wave propagation in a dispersion medium.

计算实例可以看出频散介质中波的传播情况。

Looking to bounce back from defeat against Cesena last weekend, the Calabrian boss will be sticking to his tried and tested 4-3-3, with Lopez and Sedivic joined up front in Giampaolo's absence by either Nanni or Plasmati.

鉴于上周末对切塞纳的比赛中反败为胜，这支南方球队将会更坚持其一贯而有效的4-3-3阵型，洛佩斯和塞德维奇将取代受伤缺席的詹保罗，和纳尼或者帕斯马蒂中的一个搭档锋线。

Meanwhile, their exposure to the more freewheeling ways of the West broadened dramatically.

另外，西方较自由的生活方式对年轻人的影响增大。