grating instrument 光栅仪器
diffraction grating test instrument 衍射光栅测试仪
By analyzing the principle of grating auto testing, a general design of the instrument was given.
通过对光栅自动测试仪的基本测试原理进行分析，给出了测试仪的总体设计方案。
Then, the key technologies in the realization of the grating auto testing instrument are introduced particularly.
并详细介绍了光栅自动测试仪的软硬件实现中所用到的关键技术。
Signals of self test realize the function of self test of the grating auto testing instrument.
由自检信号产生电路产生自检信号实现光栅自动测试仪的自检功能。
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