码盘、光栅盘是光电位移精密测量仪器和光栅计量测试设备中的核心元件。
Code disc or grating disc is the core component of photoelectric displacement precision measuring instrument and grating measuring equipment.
本系统的核心技术为虚拟标尺技术、切向位移偏差的光电测量技术以及信号处理技术。
The core technologies of this system are virtual calibration technology, dynamic tangential displacement measurement method and calculation method for system.
为了实现对镜面倾斜角度的闭环控制，核心的问题是通过非接触位移传感器准确测量镜面角度。
The core of the closed-loop control system for the mirror tilting systems are displacement sensors which determine the exact positional values via the mirror movement.
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