行波和驻波。
分析了故障测距用行波信号对测量互感器的要求。
The requirements of fault location signals to measurement transformers are analyzed.
这对行波压电电动机的设计和测试具有很重要的意义。
It has some significance for designing and testing of traveling wave piezoelectric motors.
对环板行波管的导波特性进行了详细的数值模拟分析。
A detailed numerical calculation for the propagating wave's dispersion characteristics has been made.
由于这只有两种波，可以存在在这条弦上，驻波或行波。
And so there are only two kinds of waves that can exist on this violin string, standing or traveling.
并与普通客船船行波比较，分析船行波对岸坡的影响。
By comparison with ship wave of general ship and wind wave the effect of these waves on bank slope is discussed.
行波超声马达是一种靠摩擦力直接驱动的新型驱动器。
Traveling wave ultrasonic motor is a new type of actuator driven by friction.
目的研究了推广的BBM方程的动力学行为和行波解。
Aim To study dynamical behavior and travelling solutions of generalized BBM equation.
它们将是现行波兰规划的附加文件，但是增加了区域因素。
They will be presented as an annex to existing plans regarding Poland, but with an added regional dimension.
然而现有行波保护的保护原理还不成熟，技术还不完善。
However, the theory and technology of existing protection based on travelling wave is imperfect.
评估表明，把被研究材料作为表面行波吸收剂是不可行的。
No effort was made to assess the performance of the surveyed materials as surface travelling wave absorbers.
在一些简单条件下，给出了所有可能的精确的解析行波解。
In some simple conditions, all possible exact explicit travelling wave solutions are given.
分析了毫米波行波管电子光学系统的基本特征和设计方法。
The basic feature and design method of MMW TWTs electronic optics system are analyzed in this paper.
从理论和实验两方面研究了基于行波模型的结构梁响应控制方法。
An active control method based on a flexural propagating wave model for a long and thin beam with a piezoceramic actuator is investigated both analytically and experimentally.
本文使用遗传算法对均匀弹性介质进行波速和震源函数的联合反演。
The seismic velocity and source function of homogeneously elastic media are inversed jointly by adopting Hybrid GA.
电子枪作为行波管的“心脏”，直接影响着整个行波管的输出性能。
As the heart of TWT, the electron gun directly affects the output performance of TWT.
大流行波可时断时续，持续数月，立即发出“平安”信号可能为时过早。
Pandemic waves can be separated by months and an immediate “at-ease” signal may be premature.
对行波超声电机的控制模型进行了研究，并建立了等效动态振动模型。
The mathematics model of travelling-wave ultrasonic motors is studied in this paper and the equivalent vibrating model is built.
此类波场外推算子沿深度层进行波场外推，都存在参考速度选择问题。
All extrapolation operators face the problem of choosing the reference velocity due to continuation in depth.
本文介绍了两种对超声多普勒血流声谱国进行波形自动分类决策的方法。
Two methods for automatic classification and decision of Doppler waveforms for flow sonography analysis system are described.
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。
In this paper, control for seismic responses of Bridges under traveling wave excitation is performed using MR Dampers.
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。
The steady solution and its stability of Nonlinear Schrdinger Equation (NLSE) are studied by means of traveling wave transformation and bifurcation theory.
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。
An optimization method is proposed to improve the reliability of getting the traveling wave head, smoothing both beginning and ending data.
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。
In fault location system based on traveling wave, the measurement accuracy of traveling wave velocity influenced the fault location accuracy to a certain extent.
比较考虑了空间相关性的多点输入与仅考虑行波效应的行波输入法下结构响应的差异。
Structure response under multiple support excitation which include spatial variety and wave-passage excitation and that including wave-passage effect only are compared.
与基于特征法的其它类似方法相比，C - I法给出了下行和上行波场更明确的描述。
In contrast to other similar schemes based on characteristic method, the C-I scheme gives a clear view for down-going and upcoming wave fields.
这种方法由于采用了模式变换，避免了传统行波方法中存在的受故障起始角的影响的问题。
Because the method utilizes modal transform, the problem of fault inception Angle can be avoided, which occurs in almost all conventional methods.
即便没有试验数据，表面行波吸收性能的数值也是可以模拟的，但是不能校准这些模拟数值。
While numerical modelling of surface travelling wave absorption performance was feasible, without experimental data, calibration of any such simulation model was not possible.
即便没有试验数据，表面行波吸收性能的数值也是可以模拟的，但是不能校准这些模拟数值。
While numerical modelling of surface travelling wave absorption performance was feasible, without experimental data, calibration of any such simulation model was not possible.
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