采用计算横波型扰动波谱和谱函数的方法，研究了当基本气流具有垂直线性切变、层结参数为常值时横波型扰动的不稳定，给出了不稳定扰动的结构，讨论了不稳定的性质。
The character and structure of instability of transversal wave disturbance is studied in this paper by using calculating the spectrum and spectral function of the transversal wave disturbance.
属于拐点不稳定性的高频二次不稳定模态对最后转捩的影响主要体现在与其它扰动的相互作用，并导致出现紊流状态宽带频谱。
The main effect of inflectional instability mode in the final breakdown seems to interact with the disturbances having developed and thus widens the frequency spectrum to turbulent state.
用线性化弗拉索夫-麦克斯韦方程分析了因对自洽的电子束平衡态引起扰动产生的不稳定性。
The instability analysis is based on the linearized Vlasov-Maxwell equations for the perturbations about a self-consistent beam equilibrium.
通过建立包含扰动和基流方程组的数值模式，全面讨论了扰动与对称不稳定纬向基流的相互作用。
In a numerical model especially set up in the work that includes disturbance and basic flows, the interactions between disturbances and symmetric instability are discussed comprehensively.
高空具有高湿位势涡度值的干冷空气叠加在低层扰动上，有利于不稳定层结的加强和降水发生。
The upper level dry and cold air with high moist potential vorticity value was superposed to the low-level disturbance, which was advantageous to instability stratification strength and precipitation.
它既有赖于基流自身的不稳定，又取决于初始扰动的结构以及相对于基流的位置。
This depends not only on the instability of the basic flow itself but also the structure of the initial disturbance and its position with respect to the basic flow.
对于相同的初始扰动振幅，随着波数的增加，低频振荡周期缩短，三波逐渐变得不稳定，三波之间较强的相互作用时间缩短。
For the same initial amplitudes, the periods are becoming short, the three waves are gradually becoming instability, and the time of strong interaction is shorting with increasing of wave Numbers.
扰动成长的主要机制是斜压不稳定，锋面弯曲的主要能源是平均有效位能。
The baroclinic instability is the predominant mechanism for the growth of disturbances, and the mean available potential energy is the main energy source for the frontal meanders.
两光波扰动频率的大小关系会影响不稳定增益谱的谱宽、峰值和形状。
The shape, width and peak of the power gain spectra of modulation instability will be influenced by the size relationship of the perturbation frequencies of the two waves.
粒子在气泡表面上滑移时处于不稳定状态，气泡受到轻微的扰动，粒子就会失稳脱离液膜。
While the particle on the bubble surface slips in unstable state, the particle can detach from the bubble surface as the bubble is disturbed slightly.
发现了横向电子热传导烧蚀在长波长扰动的非线性瑞利·泰勒不稳定性演变中起重要作用。
It is discovered that lateral ablation of electron conduction plays an important role in nonlinear evolution of the Rayleigh-Taylor instability with a longer wavelength.
非自衡时滞过程作为一种开环不稳定过程，开环辨识测试过程中的外界扰动将产生不确定性影响。
For an integral process, disturbances during the identification test of open loop identification will lead to some uncertain effect.
与解析方法的对比表明，本文的扰动边界元方法计算精度很高，适用于任意形状非均质油藏的不稳定压力动态分析。
Lastly, the perturbation boundary element method is verified against the analytical solution and is applicable to transient pressure analysis of arbitrarily shaped reservoirs.
我们发现对轴对称扰动稳定的吸积流外激波对非轴对称扰动却是不稳定的。
We find that the outer shock solution, which was previously found to be stable with respect to axisymmetric perturbations, is, however, generally unstable to non-axisymmetric ones.
基于修正的非线性薛定谔方程，利用线性扰动理论和数值方法研究了单模光纤中的调制不稳定性。
Modulation instability (MI) in single-mode optical fibers is investigated analytically and numerically using a modified nonlinear Schrdinger equation.
结果表明，扰动波矢轴向分量的存在引起新的不稳定性。
Our results indicate that the axial component of wavevector of perturbation can lead to a new instability.
基流二次切变对于中尺度对称扰动来说是一个不稳定因子，并且驱动不稳定的中尺度对称扰动在南北方向传播；
The second-order shear of the basic flow represents an instable factor for the symmetric disturbance, and drives the unstable mesoscale disturbance to travel in the meridional direction;
基流二次切变对于中尺度对称扰动来说是一个不稳定因子，并且驱动不稳定的中尺度对称扰动在南北方向传播；
The second-order shear of the basic flow represents an instable factor for the symmetric disturbance, and drives the unstable mesoscale disturbance to travel in the meridional direction;
应用推荐