To improve the precision of the laser direct writing device, researches have been done for the focusing servo system.
为了提高在激光直写设备中光刻系统的写入精度，对光探头调焦系统进行了研究。
It is available to improve optical storage density by using short wavelength laser, but a harder focusing servo system is need.
采用短波长激光光源是实现高密度光存储的一种有效途径，但是对聚焦伺服系统提出了更高的要求。
But to use SIL recording, the problems of the focusing servo and the dynamically flying height control of the SIL must be solved.
但是，固体浸没透镜光存储系统必须解决精密聚焦伺服问题和动态飞行高度控制问题。
Focal depth plays an important role in optical storage systems, and high focal depth makes the focusing servo system easy to track the disk surface.
焦深在高密度光盘存储系统中具有十分重要的作用，大焦深可以使调焦伺服系统容易跟踪盘面。
The paper analyzes the principle of components of magneto optical disk driver focusing and tracking servo system, then designs and realizes a DSP based digital servo control system.
分析了磁光盘驱动器聚焦与循轨数字伺服系统各组成部分的原理，并设计和实现了一套基于DSP的数字伺服控制系统。
The optical writing object lens of the laser direct writing device must be focused in spots by a focusing-servo mechanism.
在激光直接写入设备中需要有高分辨力的调焦伺服机构对光刻物镜进行调焦伺服。
A novel rapid search strategy with a long focusing range was proposed, which improved the efficiency of mountain climbing servo (MCS).
针对过去爬山法(MCS)调焦效率低的问题，提出了一种新的大范围自动调焦快速搜索算法。
A novel rapid search strategy with a long focusing range was proposed, which improved the efficiency of mountain climbing servo (MCS).
针对过去爬山法(MCS)调焦效率低的问题，提出了一种新的大范围自动调焦快速搜索算法。
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