This lensless intensity correlation system is simple and easy to operate and decreases the requirement of resetting precision for the filter.
采用的无透镜系统结构简单，并降低了对滤波器复位精度的要求。
2
For synthetic aperture digital lensless Fourier transform hologram, a screen-division reconstruction method is proposed based on theoretical analysis.
针对合成孔径数字无透镜傅里叶变换全息图，在理论分析的基础上，提出了相应的分幅再现算法。
3
The critical part of this sight is a holographic optical elements combined with a lensless Fourier transform hologram and a holographic beam transformer.