谐振

The mechanical oscillation of the fast steering mirror in adaptive optics system and its effect on control stability are discussed in this paper.

分析了自适应光学系统中高速倾斜反射镜的机械谐振现象及其对控制稳定性和控制带宽的影响。

The low pass filter and the double second rank filter are tested to reduce the mechanical oscillation of FSM.

讨论了低通滤波和双二阶网络滤波等几种可以减小倾斜反射镜机械谐振的方法。

Adaptive optics ; fast steering mirror ; mechanical oscillation ; filter ; control

自适应光学；高速倾斜反射镜；机械谐振；网络滤波；控制

Supposition of two vibrations with same frequency and direction, condition generated mechanical wave, dynamic equation of plane harmonic wave.

同方相同频率的两个简谐振动的合成；机械波产生的条件；平面简谐行波的运动学方程。

Week 4 Supposition of two vibrations with same frequency and direction, condition generated mechanical wave, dynamic equation of plane harmonic wave.

第4周 同方相同频率的两个简谐振动的合成；机械波产生的条件；平面简谐行波的运动学方程。

Taking the items of"nominal frequency" and" adjustment coefficient " as a specification, this paper provides a practical calculation method for adjusting parameters of power frequency series resonance test equipment, which has been verified both in laboratory and on site.

引入"名义频率"和"调整系数"等参数作为量化依据，提出了一种现场调整工频串联谐振试验装置参数配合的工程计算方法，并已通过了实验室试验及现场参数配合示例的验证。

Impedance analysis method is an important method to measure the response of a quartz crystal microbalance,which can provide the values of the resonant frequency and equivalent circuit parameters .

阻抗分析法是表征石英晶体微天平响应特性的主要手段之一，能够给出QCM的谐振频率及其等效电路参数。

And when the misalignment is in a certain range,it may bring forth new mode competition.

该方法可以为计算失调后谐振腔的模场带来方便。

Under direction of the theory,mixed series一parallel type resonant converter' s small signal...

在这一理论指导下，推导出混合串并联型谐振变换器小信号电路模型。

Optimal design of optical waveguide resonator for MOG. Chin. J.

微光学陀螺波导谐振腔的优化设计。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷