聚焦伺服 meaning in Chinese

focus servo
focusservo

In dvd focus servo system , the warp of the disc induces periodic disturbance whose frequency is same as the rotation frequency of the disc
摘要在dvd聚焦伺服系统中，光盘翘曲会导致产生与光盘转动频率相同的周期性扰动。
The output of this correction signal can be used to drive a simple auto - focus servo . a typical example of such a servo is illustrated below
修正信号的输出可以用于驱动一个简单的自动聚焦伺服器。下图为一个自动聚焦伺服器的示意图。
The aim of defocus detection is to achieve high etching quality by providing the defocus error signal for focus - servo system which can make the etching spot focus accurately
离焦检测的任务是为聚焦伺服系统提供聚焦误差信号,使写入光斑能够精确聚焦,从而保证刻蚀质量。