垂直角度 meaning in Chinese

latitude
vertical angulation

This paper is aiming at image recognition based on angle - multiplexed volume holographic correlator . the principles of the volume holographic storage are firstly introduced in this paper . they are the recording , reconstruction , diffraction efficiency and angular selectivity of volume holograms
本论文首先介绍体全息存储的基本概念和理论，它包括体全息图的记录和再现，体全息图的衍射效率，体全息图的水平、垂直角度选择性等，并介绍了光学相关器和图像识别。