You've got a sound wave traveling merrily along through one medium, when suddenly it hits a different medium, what does gonna happen then?
声波在一种介质中顺畅地传播,突然触及了不同的介质,这时会发生什么?
The steady solution and its stability of Nonlinear Schrdinger Equation (NLSE) are studied by means of traveling wave transformation and bifurcation theory.
用行波变换方法和分叉理论研究里非线性薛定谔方程的定常解和定常解的稳定性。
An optimization method is proposed to improve the reliability of getting the traveling wave head, smoothing both beginning and ending data.
并进一步提出了通过平滑处理故障首尾数据的优化方法提高行波波头提取的可靠性。
The traveling wave fault location has high reliability accuracy and anti-disturbance capability , and it also immunes from the fault resistance and the neutral grounding modes.
行波测距法具有较高的可靠性和精度,抗干扰能力强,且不受故障电阻及系统运行方式的影响。
According to the company, the large and heavy vacuum tube-based traveling wave tube amplifiers cannot be effectively replaced by GaAs transistors because they a much lower breakdown voltage.
根据公司的消息,真空管将不会被砷化镓晶体管取代。
Traveling wave ultrasonic motor is a new type of actuator driven by friction.
行波超声马达是一种靠摩擦力直接驱动的新型驱动器。
In fault location system based on traveling wave, the measurement accuracy of traveling wave velocity influenced the fault location accuracy to a certain extent.
行波故障测距系统中的行波波速测量的准确性在一定程度上影响了行波测距的精度。
Based on the traveling wave, double ended approach only deals with the first transient traveling wave reaching the two buses of the fault line.
基于行波的输电线路双端测距算法只用到到达故障线路两侧母线的第一个故障初始行波波头,其可靠性较高。
It has some significance for designing and testing of traveling wave piezoelectric motors.
这对行波压电电动机的设计和测试具有很重要的意义。
Because of the current on the shunt reactor, traditional traveling wave differential protection cannot be applied to transmission line with shunt reactor.
由于并联电抗器两侧的电流发生变化,传统的行波差动保护无法应用于带并联电抗器的输电线路。
Multistage depressed collector of Traveling wave tube is the device used for collecting spent beam according to their speed.
行波管多级降压收集极是将废电子注按照速度分类收集的装置。
High efficiency and high linearity space traveling wave tube (TWT) is required for satellite communication system as a high power, high gain microwave amplifier.
作为卫星通讯系统所用的高增益、高功率微波放大器件,行波管的效率和线性是非常重要的。
Based on this, the structure, working principle and fixation of the traveling wave ultrasonic motor are researched.
在此基础上,对所采用的行波型超声波电动机的结构、工作原理及定位进行了研究。
Based on the traveling wave theory, a new method for determining the junction parameters of piping systems is presented.
基于结构振动的行波理论,提出了一种管道联接件物理参数识别的新方法。
An electric contact method to measure contact state of stator and rotor in traveling wave type ultrasonic motor (TWUSM) is presented.
提出了一种直接测量行波超声马达定子和转子接触状态的方法—电接触法。
This paper presents a new single-end fault location device based on traveling wave, detailedly describing the design of its hardware and software as well as the research on fault location method.
为此,提出了一种基于行波法的单端故障定位装置的开发思路,并详细介绍了该装置硬件、软件的设计工作及故障定位方法的研究。
The classic analysis of high-frequency (HF) protection only takes account of the channel delay effect of HF signal, neglects the delay effect of electric traveling wave.
高频保护传统分析方法仅考虑高频信号在通道中的延时效应,没有分析电气量的行波延时效应。
Applying fuzzy predictive control to the speed of rotary traveling wave type of ultrasonic motor was researched.
利用模糊预测控制对旋转型行波超声电机的速度控制进行了研究。
Vibration and traveling wave stress analysis of rotating bevel gears is performed using annular finite element.
提供了一种使用半解析环形棱柱有限元求解盘形锥齿轮行波振动的方法。
The research methods in this paper provide certain ways for obtaining the traveling wave accurate solutions of the coupling nonlinear differential equations.
文章的研究方法,为求解耦合的非线性微分方程组的行波精确解组探索了蹊径。
In this paper, control for seismic responses of Bridges under traveling wave excitation is performed using MR Dampers.
本文应用磁流变(MR)阻尼器对桥梁结构在行波激励下的地震反应进行控制。
All possible exact traveling wave solutions are obtained.
给出了一些精确的解析行波解。
Finally, the planar graphs of the traveling wave equation are simulated by using mathematical software MAPLE.
最后用数学软件Maple对行波方程进行数值模拟,得到纽结波的平面模拟图。
Transient parameters and numerical calculation model are fundamental to evaluate the traveling wave on very fast transients in three-phase enclosed GIS.
数值计算模型和参数的确定,是三相同壳结构GIS快速暂态过程行波分析的基础。
Standing traveling wave boundary condition (STWBC), clear in concept and easy to implement, is a newly proposed absorbing boundary condition.
驻波行波边界条件(STWBC)是一种新近提出的概念清晰、实现简便的吸收边界条件。
Researchers say that a "backward traveling wave" can explain why traffic jams sometimes appear seemingly out of nowhere. Cynthia Graber reports.
研究人员称“反向驾驶浪潮”能够解释为何交通阻塞有时候似乎好像无缘无故的出现。
The intensity of traveling wave field averaged in a time period demonstrates that the characteristics of doubly localized traveling wave can be well described by the averaged wave field.
最后对一个时间周期上行进波场进行平均后说明,场的平均值可以很好的表征双局部行进波特性。
Analysis of traveling wave influence on seismic mitigation control for long span rigid-continuous bridge.
行波效应对大跨刚构-连续桥梁减震控制的影响。
The leaky-waveguide traveling wave antenna of the closely spaced transverse nonresonant slots cut in the broad face of a rectangular waveguide.
介绍了非谐振缝隙组成的漏波波导行波天线,它是在矩形波导宽面切铣间距密集的横向短槽构成的线阵;
Based on the analysis of the traveling wave with wavelet transform, this paper presents a new method of traveling wave differential protection based on the wavelet transform.
文中在对行波的小波分析的基础上,提出了基于小波变换的行波差动保护原理和算法。
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