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.
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