尽管许多人主要是在青春期接受主要的神经系统检查,大多数人的潜在大脑振幅都保持一种稳定的特别的脑图像。
Despite the major neural overhaul underway during adolescence, most individuals maintained a unique and consistent pattern of underlying brain oscillations.
主余震地震序列的地震振幅比不稳定。
But the seismic amplitude ratio of major aftershock was not steady.
首先,考虑了振幅有界的外部干扰,得到了保证系统原点渐近稳定的充分条件。
First, amplitude bounded exogenous disturbance is considered and sufficient conditions that ensure the asymptotical stability of the origin of the systems is derived.
施加在一稳定值上的小振幅振动。
Electronics an oscillation of small amplitude imposed on top of a steady value.
然后令计算网格随叶栅振动而振动。时间推进计算到流场参数随时间作周期性变化,振幅、相位稳定为止。
Time marching is continued until the calculated parameters vary with time periodically with stable amplitudes and phases of vibration.
当工作点越过稳定性边界时,低频不稳定的振幅逐渐消失。
As the operating point crosses over the stability boundary, the chug amplitude disappears.
分析了主共振的振型、最大振幅、稳定性和振幅突变性。
The shapes, maximum amplitude, stability and amplitude jump of main resonance are analyzed.
在试运行过程中,振幅和电流除随电压波动而变化外应该是稳定不变的。
In tries to move in the process, the oscillation amplitude and the electric current besides change along with the voltage undulation should be stable invariable.
同时我们还发现,在一定条件下,晶体损耗能使振幅失配的高斯光束演化成匹配的高斯光束,并最终演化成稳定的明孤波。
It is found that the loss in the crystal can make a mismatched incident Gaussian beam evolve to a matched one, and then become to a steady-state bright soliton.
发出不稳定的在振幅上或频率上交互的声音。
Give off unsteady sounds, alternating in amplitude or frequency.
算例表明,随着杆件初弯曲的增大,其振幅值随之成比例增大,而其动力稳定性随之降低。
The calculating sample shows that along with the increase of bars' initial bending, the value of their amplitude increases proportionally and their dynamic behavior decreases.
传动轴主共振的最大振幅、稳定性、振幅突变性是其主要特性。
The maximum amplitude, stability and amplitude jump of main resonance describe the primary characters of a drive shaft.
应用常微分方程定性方法,得到了正平衡点的全局稳定性和非小振幅极限环的存在唯一性的充分条件。
By using the qualitative methods of ODE, the positive equilibrium's global stability and existence and uniqueness of non-small amplitude stable limit cycle were obtained.
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.
方程的二阶近似解显示出非线性效应对振荡频率稳定度、振幅稳定度及波形正弦纯度的影响。
The frequency stability, amplitude stability and harmonic content can be deduced from the second order perturbation solution of that equation.
强阻型振动而不是共振,有稳定的振幅。
Strong resistance type vibration instead of resonance, a stable amplitude.
分析结果表明,热气导管的设计工况完全处于稳定区内,即其在设计工况下运行时,不会产生大振幅的流致振动。
The analysis results are that the design condition of hot gas conduit falls in the stability area, in other word, running at design condition, the flow induced large amplitude vibration doesn't exist.
得到了复合材料传动轴比钢、铝合金传动轴运动稳定性好、主共振的振幅小等结论。
Conclusions of that the motion stability of a fiber composite drive shaft is better and the main resonance amplitude is smaller than that of a drive shaft of steel or aluminum are produced.
根据碾压混凝土和稳定土材料的摊铺特点,分析了此类摊铺机振捣装置的工作原理,论述了振捣装置振幅的调整原则和振捣频率的选择。
The paper analyzes the working principle of tamping equipment of the paver and discusses the adjustable principle of amplitude of tamping equipment and selection of tamping frequency.
稳定的时域干涉信号说明,单模光纤可以很好补偿振幅、相位的跃变。
The legible interference patterns and spectrum signals show that fiber interferometer is suitable to compensate for amplitude and phase vibrations.
研究了系统的稳定性条件和发生分岔的条件,提出了通过改变参数来提高系统稳定性和抑制振幅的方法;
The stability and bifurcation condition of rotor system are obtained and the way to improve system stability and reduce the vibration amplitude through adjusting system parameters is indicated;
文章重点研究了较高振幅振动柱的锁定现象、波动升力与柱位移之间的相位变化,讨论了方柱涡激振荡、驰振和气动稳定性问题。
This study aims at investigating the lock-in phenomenon, fluctuating lift and the phase shift between fluctuating lift and displacement of the oscillating cylinder.
驱动场色散驱动场失谐量的增加而振荡时间变长,振幅和稳定值变大。
With the driving detuning increasing, the oscillating time of the dispersion of the driving field becomes longer, the amplitude and the stationary value increase.
分析了主共振的振型、最大振幅、稳定性和振幅突变性。
The maximum amplitude, stability and amplitude jump of main resonance describe the primary characters of a drive shaft.
研究了匹配网络参数不变时,射频电源不同调制模式对反射率的影响。实验研究表明,脉冲宽度调制模式的稳定度要明显高于振幅调制模式。
When the network parameters are kept constant, the results show that the variation of reflection efficiency for PWM mode according to injection power is much less than the am mode's.
结果表明,当应变振幅较低时,形变马氏体的阻尼值随频率的增加先急剧下降至一定值后趋于稳定;
The experiment results show that the damping capacity of deformed Martensite first decreases sharply and then keep constant with the increase of frequency at the low strain amplitude;
结果表明,当应变振幅较低时,形变马氏体的阻尼值随频率的增加先急剧下降至一定值后趋于稳定;
The experiment results show that the damping capacity of deformed Martensite first decreases sharply and then keep constant with the increase of frequency at the low strain amplitude;
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