In current literature a conventional yet imperfect view considers friction torque in the stabilization axis of gyro -stabilization platform only as a damping factor and thus not as a possible cause for the self-excited oscillation in the platform.
文中指出现有资料在考察陀螺稳定平台稳定轴干摩擦这个重要的非线性因素时的缺陷。
The nonlinear oscillation of electron on the central axis of charged ring is studied. After setting up the motion equation, the exact solution and the period of free oscillation are achieved with elliptic integrals. The nonlinearity of oscillation are discussed and illustrated.
研究电子在电环轴上的非线性振动，在建立电子的运动方程后利用椭圆积分求得自由振动的准确解及周期，讨论和图示其非线性振动特征。
The results showed that, Qigong guiding mind can increase EEG activities in anterior brain, and change functional state of dominant brain axis (anterior-left/posterior-right), and S-spectra characteristic harmonic oscillation can occur.
结果表明：意念导引能够增强前额脑电活动、改变左前右后优势脑轴的功能对比、并出现特征谐振频率的变化。随发育脑体积增加，髓质占脑体积的比例增加。
Based on the character of off-axis and multi-pass amplification systems, the possibilities are analyzed that some part of the line could form optical oscillator and occur self-excitation oscillation.
根据离轴多程放大系统的光路特点，对产生谐振腔最可能的光路部分进行了自激振荡形成条件的分析，根据分析结果并结合实际情况采取了一些抑制自激振荡的措施。
The results show that the positive damping torque produced by q axis damper winding can reduce the low frequency oscillation and improve dynamic stability of the machines under such conditions.
研究表明：抽水蓄能电机调相运行时，主要是阻尼绕组产生的阻尼转矩抑制低频振荡，保持其运行的动态稳定性。
Transmission and coupling losses for EH_ (11) wave guide mode were analyzed and calculated, and the effects of the bending wave guide axis on laser oscillation were considered.
我们分析和计算了TE（11），波导模的传输和耦合损耗，并且考虑了波导轴线弯曲对激光振荡的影响。