fresnel-transform hologram 菲涅尔变换全息图像
fresnel s sine hologram 正弦菲涅耳全息图
fresnel ' s sine hologram 正弦菲涅耳全息图
The digital watermark technique is proposed based on Fresnel hologram and Discrete Cosine Transform.
提出了一种基于数字菲涅耳全息和离散余弦变换的数字水印技术。
After analyzing the experiment, the author completes designing the experiment in which the Fresnel hologram is recorded with CCD.
作者针对全息图记录中低的CCD分辨率，合理地分析了实验条件，完成了应用CCD直接记录菲涅尔全息图的实验设计。
The experimental results are given of the two kinds of compensation plates consiting of hologram plate and photoconductive thermoplastic plate for improving image quality of the Fresnel optical lens.
给出了“全息干版”和“光导热塑片”制备的两种“补偿板”对菲涅耳透镜进行象质改善的实验结果。
应用推荐