digital hologram meaning in English
数字全息图
Examples
- After recording digital hologram with charge - coupled device ( ccd ) , we can reconstruct the real image of the object from it by means of numerical method
数字重现技术使用ccd代替干版直接记录下菲涅尔全息图，通过数字计算的方法再现物体的像。 - ( 7 ) numerical reconstruction of phase of light wavefront by perfect beam reflected by an imperfect mirror in digital hologram by ccd capturing . chai xiaodong ( the key laboratory of intelligent computing and signal processing , ministry of education )
7 、对ccd获取的镜面反射物波波阵面的干涉全息图，数字重构了其波阵面相位并给出了算法。 - ( 5 ) digital holograms of static particles and particle field ( multi - layer ) are recorded in the experiment . and the reconstructed particle images are gained using the envelope method with two different reconstructed waves - plane wave and spherical wave , respectively
( 5 )从实验上拍摄了单层静态粒子靶和多层静态粒子靶的数字全息图，并分别用平面波和球面波实现了该模拟粒子场的数值再现，得到了清晰的粒子像。 - ( 1 ) basic mathematical model for recording and numerical reconstruction of digital hologram is elaborated . the core of digital holography is the algorithm of numerical reconstruction . two different approaches for numerical reconstruction of digitally sampled holograms are investigated , namely the fresnel transform algorithm and the frequency domain algorithm , which are deduced from the diffraction theory of spherical wave and plane wave respectively
( 1 )从理论上详细阐述了数字全息图记录与再现的基本原理，建立了数字全息图记录和数值再现的数学模型，根据光波衍射的球面波和平面波理论，给出两种不同的数值再现思路，即频域再现法和菲涅耳变换法。