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- They say movies may quickly become all digital. 不久的将来电影会全面数字化。
- Sampling time for all digital and analog signals is 10 msec. 采样时间为所有数字和模拟信号是10毫秒。
- In order to record and reconstruct digital hologram, a lensless Fourier digital holography setup device is bulit. 摘要为了有效的记录和再现物体的数字全息图,搭建了无透镜傅里叶变换数字全息装置。
- Reconstruction algorithms of digital holography are analyzed and experiment results are also given. 理论分析和实验结果均表明了该方法的可行性。
- A new method to protect the copyright of digital museum based on digital holography is proposed. 提出了一种基于数字全息术用于数字博物馆版权保护的水印方法。
- The studies of premagnification and phase- shifting lensless Fourier digital holography[J]. 引用该论文 袁操今;钟丽云;朱越;吕晓旭.
- Reconstruction of 3D object in off- axis lensless Fourier digital holography[J]. 引用该论文 谢建军;王大勇;王华英;陶世荃.
- Analysis and Experiment of Phase-Shifting Coaxial Lensless Fourier Digital Holography[J]. 引用该论文 吕晓旭;张以谟;钟丽云;罗印龙;佘灿麟.
- The analysis of the properties of recording and reconstructing in lensless Fourier digital holography[J]. 引用该论文 袁操今;钟丽云;朱越;王艳萍;吕晓旭.
- The last work is the applications of digital holography in the measurement of the displacement and deformation. 最后,介绍数字全息在位移和形变测量中应用。
- Digital holography is a novel optical branch compound of conventional optic holography and computer technology. 数字全息是光学全息与计算机技术结合的一种新的光学分支。
- It is discussed in theory that the feasibility of accomplishing in-line digital holography measurement, illuminated by spherical wave. 理论上讨论了球面波照明情况下实现同轴数字全息检测的可能性。
- In digital holography microscopy,the Fresnel approximation is no longer valid, when the object is placed near to the CCD. 在数字全息显微术中,当物体与CCD相当近时,菲涅耳近似条件将不再成立,对数字全息图必须用卷积法再现。
- With the traditional holographic theory, the record requirement, construction algorithm for lensless Fourier digital holography are analysed. 根据传统全息理论,分析了无透镜傅里叶变换数字全息的记录、再现原理和实验要点,并进行相应的数字图像处理。
- The study provides some theoretical and experimental guidance for the design and operation of a digital holography system. 这一研究为数字全息系统的设计和操作提供了一定的理论和实验指导。
- Both intermediate and base band frequency sampling schemes may be used in all digital DS/CDMA receiver. 全数字 DS/CDMA信号接收机既可以采用中频采样方案 ;也可以采用基带采样方案 .
- An all digital preambleless burst mode PSK demodulator is also proposed and studied. 同时,也给出了一种全数字无前导字突发模式PSK信号解调方案。
- With the fast development of computer technology and the invention of CCD (Charged-coupled Device), more and more research was put on digital holography. 随着近年来计算机技术迅速发展和CCD(Charge-Coupled Device,电荷耦合器件)等高质量数字光敏元件的出现,近来对数字全息术研究工作逐渐增多。
- International Data Corp. (IDC) estimates that all digital cellular handsets shipped in the future will be WAP-capable. 国际数据公司估计所有数字蜂窝手机的信号传输都将有WAP功能。
- How much do all these figures stack up to? 这些数字的总和是多少?