A real opticalsuperposition image was formed by dark-adapted crystalline cones for an object at different distances and its size decreased as the object distance increased.
经过暗适应的晶体柱可以对不同物距的目标形成清晰的正重叠像，像的大小随物距的增大而减小；
2
This paper introduces the basic principle to correct the photometric linearity with opticalsuperposition method, and its measuring method; Error equation of linearity correction is given;
介绍了采用光叠加法校正分光光度计光度线性的基本原理及测量方法；
3
The mathematical expressions of the optical influence functions for micromachined membrane deformable mirror and their superposition nature are introduced.