Sine digital grating (computer generated grating) is acted as reference grating.
参考栅采用计算机绘制的正弦型数字栅。
The virtual grating was computer generated, so the grating was very fine and the frequency was easily changed.
用软件在计算机上生成虚拟光栅，将两种频率的光栅合成为投影复合光栅进行测量。
A digital optical projector is used as the optical source, and the electrical grating is generated by computer.
实验系统光源采用数字光学投影仪，并用计算机生成电子光栅。
Grating, spatial light modulator, computer - generated hologram and film can be used as the filter.
可以用光栅、空间光调制器、计算全息、胶片作为滤波片。
Grating, spatial light modulator, computer - generated hologram and film can be used as the filter.
可以用光栅、空间光调制器、计算全息、胶片作为滤波片。
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