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1.立体信息显示在观察和鉴别三维物体或结构(如建筑物、设备和机器、立体化学、医学),空间状态(如飞行安全)或两个独立变量的函数(指科技方面)时,三维显示有很大的优点。至今人们仍利用两维显示来作准三维显示,观察者要靠自己的理解力和空间想像力来得到立体概念,观察时用的是光学方法,还要利用已有的知识。利用全息术可以重现物体和景像的真实立体图象,不需要辅助性观察就可以在不同角度下进行。图1表示全息图的制作,实质上,它是由相干单色光产生的物波场与参考波场的干
1. Stereoscopic Information Display When viewing and identifying functions (referred to as science and technology) of three-dimensional objects or structures such as buildings, equipment and machinery, stereochemistry, medicine, space conditions (eg flight safety) or two independent variables Display has great advantages. So far, people still use the two-dimensional display for quasi-three-dimensional display. Observers rely on their own understanding and spatial imagination to obtain the stereoscopic concept. The observation uses the optical method and the existing knowledge. The use of holography can reproduce the true three-dimensional images of objects and images, without auxiliary observation can be carried out at different angles. Figure 1 shows the hologram production, in essence, it is generated by the coherent monochromatic light field and reference wave field dry