查询词典 wave function

The fundamental conception of the spin wave, the semi-classical and quantum theory of the spin wave, and the application of the spin wave theory.

自旋波的基本概念，自旋波的半经典理论和量子理论，自旋波理论的应用。

Various signals are an important part of correspondent area. In this area, sine wave, triangle wave and square wave are common signals.

各种各样的信号是通信领域的重要组成部分，其中正弦波、三角波和方波等是较为常见的信号。

The article adopts sensor, ScienceWorkshop to measure velocity of sound with syntony stationary wave method. Not only the change of sound wave can be heard, but also the change of sound wave with computer can be demonstrated.

文章采用传感器和数据采集接口，利用计算机采集数据，配以专用DataStudio软件，用共振驻波法测量声波的波速，不仅可以听到声音强弱的变化，而且可通过计算机演示波形的变化。

The evolution of the half-peak width of the relative density increment pulse with respect to slow wave also demonstrates the close relation to Δp. Its minimum w〓 decreases with the increase of Δp, which means, slow wave will steepen with the enhancement of Δp and may evolve into slow shock eventually. Numerical results also indicate that the propagation velocity of fast and slow wave increase when Δp increases.

对强扰动情形(Δp＝5)，通过考察相关物理量的径向分布，并借助于对物理量沿波动阵面法向分布的讨论，可以初步判断出由强扰动所造成的慢模磁声波在传播过程中逐渐陡变而演化为慢激波，慢激波在进入日冕前已在色球层中形成，并在此后的传播过程中始终保持这一性质。

But the symmetric axis of TI formation is parallel to the borehole axis in the thesis, the propagation velocity of SV-wave and SH-wave are the same in vertical direction, we can't see the splitting phenomena of shear wave.

本文中地层对称轴和井轴平行，SV波和SH波在竖直方向上的传播速度是相同的，本文地层模型下的井孔中是观测不到横波劈裂现象的。

Its wave propagation properties in symmetry and asymmetry structure are analyzed by 3-D EBPM including the analysis and study of the influence of refractive index to wave propagation. The bend fiber-slab is also studied in this paper and point that the influence of the refractive index of the substrate to wave propagation in fiber-slab is very important. The calculating results agree with the results of the test.

本论文利用三维显式光束传播法很方便地分析了对称、非对称光纤—光波导复合结构中光波的传输问题，包括光纤折射率的大小、光波导折射率的大小对光波传输的影响等在内的主要内容；随后又研究了光纤弯曲时光波导包层折射率对光纤内能量功率大小的影响，计算结果和实验结果吻合。

Making use of the inverse surface equation of wave normals and the boundary condition about the continuity of electromagnetic field tangential component at the surface of crystal, expressions about wave normal and ray direction, wave normal and ray refractive indexes were obtained.

论文建立了以光线入射方向和晶体光轴方向为基准的入射坐标系，利用波法线反曲面方程和电磁场在晶体折射界面处切向分量连续性的边界条件，得到了晶体中波法线方向、射线方向、波法线折射率和射线折射率的表达式。

To better fit the lower amplitude P waveform, we employed two different weights for the P wave and surface wave arrivals, respectively. A grid search method was employed to find the strike, dip and slip of the earthquake that best fit the three-component records of P and surface waveforms recorded (the tangential component of the P-wave arrivals was not used). Synthetic waveforms were computed with an F-K method. Two crustal velocity models were used in the synthetic calculation to reflect a rapid east-west transition in crustal structure observed by seismic and geological studies in the study area.

为了更好地利用信号相对较弱的P波信号，对于一个地震记录，本文分别截取出P波和面波两个部分，分别给予不同的权重进行反演，结合格点搜索的方法，得到了与记录P波及面波三分量对应较好的地震的方位角、倾角和滑移角。

Methods The clinical manifestations and the plasma ammonia levels were analyzed in l7 patients with HE , who underwent EEG , CT and MRI examinations Results Fifteen patients had abnormal EEG findings characterized by lowered basic rhythm, moderate to high amplitude θ wave activity, and sporadic δ wave and triphasic wave Fourteen patients had abnormal MRI findings , including increased signal in the bilateral globus pallidus (14/17), putmen (4/17) and tegmentum of the midbrain (7/17) in T1WI without corresponding alterations in the signal Intensity in T2WI T2 FLAIR demonstrated increased signal in the bilateral white matter of the cerebral hemispheres.

总结17例各种原因引起的肝性脑病患者的临床表现、血氨水平，对全部病例进行EEG、颅脑CT、MRI检查。结果 17例肝性脑病患者EEG异常15例，主要表现为：基本节律慢化；中波～高波幅θ活动；散在的δ波、三相波。

A theoretical formula for wave-pattern resistance, i. e., a statistical mathematical model, is developed using the linear wave-making theory. The effect of principal dimensions, vertical centers of transverse sections and the prismatic curve on wave-pattern resistance is studied.

本文用线性兴波理论建立了波形阻力的理论公式，从理论上考虑了主尺度和系数、横剖面形心高及棱形曲线对波阻的影响；根据17艘肥大船模65种状态的实测波形资料，用统计分析法计算得出一组随傅氏数而异的波形阻力预估公式；为使数学模型付诸电算，定义了属统计学范畴的"广义相关系数"。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。