line grating 线性数
taper line grating 织物密度板
grating line 光栅划线
varied line space grating 变栅距光栅
varied-line-space grating 变线距光栅
On the basis of Fraunhofer diffraction theory, the diffraction patterns of a Varied Line-space (VLS) grating were obtained for incidence beam in parallel and uniform.
基于夫琅禾费衍射理论，推导了平行光入射变栅距光栅后衍射光强的角度分布。
Depends on disparity theory, it is given the function of combining and separating image with line grating, stereo imaging of far, near objects and its making method.
介绍了基于视差理论的线条光栅并像、分像作用和远、近景物的立体成像技术，以及立体图像的制作方法。
The principle of pulse fine division in measurement of displacement by using grating scale (so called Grating line displacement transducer) with right-angled sinewave is discussed.
讨论了输出正交正弦波的光栅尺（又称光栅线位移传感器）在位移测量中的脉冲细分原理。
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