查询词典 persistent wave

Because it will show double refraction after the sine wave operate on crystal, it will make the latter part of this system, the signal disposal part, give demand with detecting the output wave and deal with it so that the system can meet the demand of the system. The system can be applied to the occasion of automatic control system etc.

利用正弦波通过晶体后能产生双折射现象，使系统的后一部分——信号处理部分通过对其的检测、处理，给出命令信号，进行随动跟踪，然后应用于自控系统等场合。

Through the decompositions to common-shot gathers and common-offset gathers, one can obtain common p, plane wave gathers and common P plane wave gathers which are suitable to the single square root extrapolation equation and the double square root extrapolation equation, respectively.

通过对共炮点道集和共偏移距道集地震数据的平面波分解，分别得到适用於单平方根波场外推方程和双平方根波场外推方程的共P平面波道集和共P平面波道集。

Young's double slit and Lloyd's mirror are examples of optical interferometers in which a wave front from a very narrow source slit is subdivided in to two wave fronts by reflecting or transmitting regions of the interferometer.

杨氏双缝和罗埃镜是来自狭缝波源被分为两列通过在相遇区域发生干涉的光学仪器。

The origin of travelling wave and its propagation characteristics of modal components in time-domain and frequency domain are analyzed. The characteristics of configuration of railway Automatic Blocking/Power Continuous Lines and principle of various methods of travelling wave fault location are studied. Using transient surges extracted by transform voltage on the lines, a new method of double-ended principle of fault location is proposed.

本文分析了故障暂态行波的产生机理和模分量在时域、频域的传播特性，研究了铁路自闭/贯通线路的结构特点以及目前各种故障测距原理，提出了利用线路侧电压互感器提取暂态行波双端故障测距的新方法，该方法能够精确地测量各种类型的故障距离。

Notice that a full wave section, not half wave nor doubler should be used.

注意这里谈的是全波整流，半波或倍压整流并不适用这种方法。

On the basis of dual feature identification method, combined with small wave analysis, it effectively extracts failure features, analyzes the stability power failure vibration signal feature on the general Fourier atlas, analyzes the shock power failure vibration signal feature on the resonance modulating Fourier atlas, using small wave to analyze the shock failure vibration signal feature.

是一种在"双特征判别法"的基础上，结合小波分析，有效提取故障特征，进行诊断的"三特征判别法"，所述的故障信号"三特征判别法"就是：在常规傅立叶谱图上分析平稳功率故障振动信号特征，在共振解调傅立叶谱图上分析冲击功率故障振动信号特征，利用小波分析冲击故障振动信号特征。

Matrix mechanics;; Wave mechanics;; Wave-particle duality;; Uncertainty principle

论文单位上海师范大学，点击次数 5，论文页数 62页File Size1752K

But you can't help asking what on earth is wave, and what is the field of wave, is it the ocean?

但你不得不问，到底是什么的波，在波动的场又是什么，海洋吗？

The medium described with modified Stokes viscoelastic wave equation is a Kelvin solid, which can be used to study the propagating of seismic wave in earth media.

修改后的Stokes粘弹性波动方程所描述的介质相当于开尔芬体，可以利用它研究地震波在大地中的传播过程。

And at the same time, through discussing the mechanism of earth wave absorbing tomography, it is known the CT of seismic absorption imaging method is better than the wave velocity imaging method in the identify ability of faultage crushed zone whose body structural plane is flabbiness and the dimensions is small.

阐述了地震波在粘弹性介质传播过程中具有的衰减特性，探讨了地震波吸收层析成像的机理，得知地震吸收CT成像方法，对岩体软弱结构面、裂隙和规模较小的断层破碎带的识别能力，要强于波速成像方法。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。