行波和驻波。
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.
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.
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.
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.
本文提出了一种分块进行波前重构的快速算法。
This paper describes a fast algorithm sub-block wave-front reconstruction.
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.
碳纳米管阵列用于行波管冷阴极具有显著的优越性。
Carbon nanotube (CNT) arrays have prominent advantages for travelling wave tube (TWT) as cold cathode application.
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.
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.
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.
设计了一种采用单脊波导作为微波电路的新型行波光调制器。
A new travelling light modulator using single ridged waveguide as microwave circuit is designed.
该研究成果将为下一步开发行波保护装置奠定理论和技术基础。
The research achievements will establish theoretic and technical foundation for the future development of traveling wave protection devices.
用有限差分法进行波场全倾角归位的关键在于波场的延拓方向。
The key to all-dip wave field migration using finite-difference method lies in the continuation direction of wave field.
本系统不但可以采集和传输数据，还可以进行波形显示和分析。
This system can not only gather and transmit data but also show and analyze wave shapes.
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。
Applying fuzzy predictive control to the speed of rotary traveling wave type of ultrasonic motor was researched.
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.
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.
下行波的衰减规律符合指数衰减，但上升波的衰减并不符合这一规律。
Downward wave amplitude decay in negative exponential function, but the upward wave amplitude is not the case.
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。
Based on the traveling wave theory, a new method for determining the junction parameters of piping systems 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。
An electric contact method to measure contact state of stator and rotor in traveling wave type ultrasonic motor (TWUSM) is presented.
本文主要介绍用于光纤传输系统的行波半导体激光放大器(TWSLA)。
This paper mainly describes travelling wave semiconductor laser amplifiers (TWSLAs) for use in optical fiber transmission systems.
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.
相对于雷电干扰和普通短路故障，雷击引起弱故障时的行波截波特征非常明显。
Relative to lightning disturbance and short-circuit faults, the chopped wave caused by lightning-induced weak faults is obvious.
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。
Finally, the planar graphs of the traveling wave equation are simulated by using mathematical software MAPLE.
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.
应用推荐