The straight-edge diffraction of this parallel beam superposing on the light spot constitutes the so-called M-line.
这束平行光的直边衍射花纹与光斑本底叠加的结果在观察屏上形成为通常所称的M线。
2
From the usage characteristics of automatic testing optical lens, a viewpoint of straight-edge response function as final evaluation criterion is proposed in this paper.
从自动测量用光学镜头的使用特点出发，提出用其直边响应函数作为最终评价标准的观点。
3
This paper deals theoretically with the influences of various kinds of mutual coherence function and the degree of coherence on the distribution of straight-edge generated image field.