查询词典 propagation

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。

On this basis, we further analyze the situation of backward wave in anisotropic metamaterials with different dispersion relations, and the angle between wave vector and Poynting vector, and the general conclusion of backward wave propagation are obtained.

在此基础上，进一步分析了几种不同色散曲线关系的各向异性超常材料中倒退波的产生情况，获得了电磁波波矢和坡印亭矢量夹角的具体表达式和倒退波传播的一般性结论。

The characteristics of the dispersive relation and the propagation of plasma low frequency noise are discussed in details.

具体地讨论了在热传导条件下色散关系的特殊性质和相应的等离子体低频噪声的传播形态。

In a word, the solitary evolution and propagation of the matching Gauss beam is quite close to those of the DHSP in the dissipative system.

总之，在耗散系统中，匹配的高斯孤波的动态演化特性与耗散全息屏蔽光伏明孤波的演化特性是相符合的。

The Republic of korea country innovation setup meritorous service be able to chiefly possess three:First of all is the technique to introduce from elsewhere the external;Next is the technique that propagation and divergency were introduceed from elsewhere;Such three is research together with development by means of this nation,The digestion is sucked up and the technique of self.

韩国国家创新体系的功能主要有三：其一是引进国外的技术；其二是传播和扩散引进的技术；其三是通过本国的研究与开发，消化吸收和改进引进的技术，进而产生出自己的技术。

By using the numerical calculation results of the density matrix equations of motion of a closed Λ-type inversionless lasing system, the effects of the propagation of light fields on the gain of lasing without inversion, Rabi frequencies of the probe and driving fields, and the modulation role of spontaneously generated coherence on the effects were investigated when the Doppler broadening presents.

利用封闭Λ型三能级无粒子数反转激光系统密度矩阵运动方程的数值解，研究了存在Doppler展宽的情况下光场的传播对LWI增益、探测场和驱动场Rabi频率产生的影响以及有自发辐射诱导相干对这个影响的调制作用。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。