image superposition的意思|示意

With a phase grating located at Fourier frequency plane, optical image subtraction is obtained as a result of the coherent superposition of the zeroth and the first order of the diffracted light.

置一位相光栅于相干光学处理系统频谱平面，利用其零级与一级衍射光的相干迭加实现图象相减。

A design scheme to realize the superposition of satellite positioning signal and video signal image based on FPGA (field programmbale gate array) was proposed.

提出一种基于FPGA的实现卫星定位信号与视频图像信号叠加的设计方案。

A real optical superposition 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；

Lu: in this way, the most typical character in your works is superposition, which became of the double image effects.

正因为这样，你作品中最有特点的是不同图像之间的叠加，似乎形成一种重影效果。

To increase the accumulated charges in CCD and multiframe superposition can improve signal noise ratio. Digital image processing …

采用增加CCD内的累积电荷量和多帧叠加可以提高信噪比；

In order to improve the accuracy of the measurement of superposition hole, an approximate solution based on image subtraction technique to identify the superposition holes was put forward.

为了提高纸靶重孔的测量准确性，提出一种基于图像减影技术的重孔识别方法。