The mechanicaloscillation 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。
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Strong antidumping property: When titanium is affected by mechanical vibration or electric oscillation, its vibration damping time lasts the longest time, compared to that of steel and copper.
抗阻尼性能强：金属钛受到机械振动、电振动后，与钢、铜金属相比，其自身振动衰减时间最长。
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Secondly, a standard quantum mechanical formalism of quantum coherent oscillation is given, which apply either to macroscopic systems, or to micro- and mesoscopic systems.