In some simple conditions, all possible exact explicit travelling wave solutions are given.
在一些简单条件下,给出了所有可能的精确的解析行波解。
However, the theory and technology of existing protection based on travelling wave is imperfect.
然而现有行波保护的保护原理还不成熟,技术还不完善。
By constructing proper upper-lower solutions, the existence of travelling wave solutions was proved.
通过构造适当的上下解,证明行波解的存在性。
The main aim of this paper is to deal with location measurement of modal zero travelling wave front.
主要讨论了解决零模行波波头定位的问题。
The rationality of the travelling wave solution and the expansion by Taylor's series has been confirmed.
还论证了取行波解和作泰勒展开的合理性。
No effort was made to assess the performance of the surveyed materials as surface travelling wave absorbers.
评估表明,把被研究材料作为表面行波吸收剂是不可行的。
A test technique of the microwave properties of the dielectric rod of the travelling wave tube is discussed.
本文讨论了行波管夹持杆微波性能的测试技术。
Carbon nanotube (CNT) arrays have prominent advantages for travelling wave tube (TWT) as cold cathode application.
碳纳米管阵列用于行波管冷阴极具有显著的优越性。
Some Exact Travelling Wave Solutions Of The Generalized Seventieth Order KdV Equation By The Fractionary Deforming Method;
计算结果表明,分数形变映射法可以十分有效,它是非线性复杂方程的求解特殊新方法之一。
More explicit travelling wave solutions can be obtained by using this method to solve other nonlinear travelling wave equations.
将该方法应用于其它非线性波方程(组)中,可获得更多的显式行波解。
This paper mainly describes travelling wave semiconductor laser amplifiers (TWSLAs) for use in optical fiber transmission systems.
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)。
The equalizer is used in high-power travelling wave tube usually works in bad environment, for example, a wide rage of temperature.
大功率行波管用均衡器通常工作环境恶劣,需要满足在高、低温度环境中均能正常工作的要求。
The result proves that the FDTD programs by the writer run stably and the PML boundary can absorb the outward travelling wave well.
结果表明,本文编写的FDTD程序运行稳定,且P ML边界吸收效果良好。
In the transmission line fault locating based on travelling wave, the arrival time of travelling wave must coordinate with the travelling wave velocity.
在输电线路行波测距中,存在行波浪涌到达时刻与行波传播速度相互配合的问题。
Its principle is based on the transient characteristics of the line fault, which is the changes in the voltage and current caused by the travelling wave.
行波保护的原理基于线路故障的暂态特征——行波引起的电压电流量的变化。
Probing the realization way of travelling wave into the stator of motor, proving the surface of motor stator particle existence oval of sport at the wave.
探讨了电机定子面内行波的实现途径,从理论上证明了面内行波时电机定子表面质点椭圆运动的存在。
In order to sample transient travelling wave, the design of a high-speed data acquisition system with the single-chip microcomputer DS80C320 is introduced.
为了用单片机实现对变化速度极快、变化过程极短的高速瞬态行波信号进行采样,研究了一种以DS80C32 0单片机为控制器。
The bifurcation of travelling wave solutions for the generalized water wave equations are studied by using the bifurcation theory of planar dynamical systems.
应用动力系统分支理论,研究广义水波方程组行波解的分支。
This paper presents a method of calculation of the noise figure of power travelling wave tubes which employ a conical Pierce gun to produce the electron beam.
本文给出了采用球形收敛枪的功率行波管噪声系数的计算方法。
The key point to realize protective relaying and the fault location based on travelling wave is how to correctly distinguish and detect the travelling wave signal.
正确识别和检测线路故障后的行波信号是实现行波保护和故障测距的关键。
To improve the location accuracy of travelling wave, the semi orthogonal wavelet algorithm is applied in the data processing to detect the wavefront of travelling waves.
在数据处理算法中,在线应用了半正交小波算法进行行波波头的检测,以提高行波定位的准确性。
The exact and explicit solutions of these equations are obtained by using the travelling wave method. These exact solutions are solitary wave solutions of a rational type.
用行波方法得到了这些方程的显式精确解,即有理分式型孤立波解。
The numerical results show that the travelling wave effect has significant influence on the long span arch bridge, the arrangement of bracing beams is sensitive to stability.
分析表明,地震行波作用对大跨径拱桥影响很大,横撑设置对稳定性敏感。
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。
Therefore, the travelling wave effect should be considered for the selection of the parameter values of semi-active control system in order to get the designing control effect.
因此,在确定半主动控制系统的参数时应考虑地震行波效应的影响以确保控震效果。
At this time the simulator does not implement surface travelling wave modelling and associated edge or gap backscatter modelling, or edge diffraction scattering effect modelling.
这次模拟器没有对表面行波、相邻边界和缝隙的反向散射,或者边缘绕射散射效应进行建模。
Existing methods for travelling wave fault location don't combine the arrival time of travel-ling wave with the propagation velocity properly, which leads to poor location accuracy.
现有行波测距法基本上都没有把由该方法所确定的行波到达时间与故障定位用行波传播速度很好地结合起来,导致定位精度不理想。
Taking into account the Auger effect, the output-enhancement coatings applied to the facets of the semiconductor lasers have been investigated using a set of travelling wave rate equations.
在考虑了俄歇效应的情况下,用行波速率方程组研究了半导体激光器的输出功率与端面反射率的关系。
Taking into account the Auger effect, the output-enhancement coatings applied to the facets of the semiconductor lasers have been investigated using a set of travelling wave rate equations.
在考虑了俄歇效应的情况下,用行波速率方程组研究了半导体激光器的输出功率与端面反射率的关系。
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