体全息
- 网络volume holographic;volume hologram;volume holography
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体全息存储通常采用的4f结构是一个有限带宽系统,它引起像素间串扰,带来误码率的增大。
The general 4-focal-length architecture of volume holographic storage is a bandwidth-limited system , which will cause inter-symbol interference and lead to the increase of the bit error rate .
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本文对体全息存储系统的误码率进行了理论分析。
Bit-error rate ( BER ) of a volume holographic storage system is analyzed in this thesis .
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IP网络存储技术在体全息存储中的应用
The Application of IP Network Storage Technology in Volume Holographic Data Storage
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使用民用CCD对体全息存储图像分辨率的研究
Study on the Resolution of Image Retrieved from Volume Holographic Memories
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该文结合IP网络存储技术,将IP和全息结合起来设计了体全息存储高速数据传输通道。
This paper designs the high-speed data channel for volume holographic storage based on the IP network technology .
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基于体全息技术的波分解复用(WDM)器件研究
Study on the demultiplex of WDM based on volume holographic technology
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体全息存储系统图像质量因素MTF数值模拟分析
Numerical simulation analysis of the MTF influencing the imaging quality of volume hologram storage system
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DPL在晶体体全息存储中引起的串扰问题研究
A Study on the Cross-talk Caused by DPL in Crystal Holographic Data Storage
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体全息存储系统中通常采用SLM和CCD作为输入输出器件。
Spatial Light Modulator ( SLM ) and CCD detector are generally used as input and output devices in volume holographic data storage system .
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组合外加电场提高Fe∶LiNbO3中90°记录体全息的衍射效率
Enhancement of Diffraction Efficiency for 90 ° Recording Geometry Hologram by the Application of Combined External Electric Fields in Fe-Doped LiNbO_3 Crystals
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本文结合体全息和IP网络存储两个关键存储技术,以最先进的网络处理器为硬件核心,来完成体全息存储系统的通讯接口的系统设计。
Integrating the above key technology which include volume holographic storage and IP network storage , the paper provides the new method , which use network process as hardware core fulfill communication interface design of volume holographic storage .
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双掺杂LiNbO3:Fe:Mn体全息光栅的时空衍射特性
Time-space diffraction properties of volume holographic grating in doubly doped LiNbO_3 : Fe : Mn
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高频高衍射效率H-PDLC体全息光栅的研究
The study of H-PDLC volume holographic grating with high diffraction efficiency
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掺杂LiNbO3晶体的生长缺陷与其体全息存储性能的研究
Study on the Growth Defects of Doped LiNbO_3 Crystals and Their Properties of Compact Volume Holographic Storage
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影响体全息存储系统中读出图像误码率的因素很多,其中输入与输出器件SLM、CCD的性能以及它们信号匹配关系起着关键的作用。
There are many factors to influence the bit error rate of read-out image in holographic storage . Above all , SLM , CCD and the signal matching between these devices play the key role .
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但由于电荷耦合探测器(CCD)阵列探测的信号是入射到像素上的光场强度的积分,因此体全息存储信道应该被看作一个非线性信道。
However , the charge coupled detector ( CCD ) array detects and integrates the magnitude square of the incident light front over its pixels and outputs the intensity data page , thus the channel of the volume holographic storage system should be regarded as a nonlinear one .
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提出利用平面倾斜条纹(Slanted-fringe)透射体全息光栅等光强的0级和1级衍射光实现蝶互连网络中的直连和交连。
Using two equal intensity beams of 0 and 1st diffracted order through a planar slanted fringe volume holographic grating ; one can implement the straight forward link line and the other can implement the crossover link line in the butterfly interconnection network .
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针对数字体全息存储系统(DHSS)中复杂噪声的特点,从数字通信中信道编码的观点出发,讨论了采用数字信号处理方法来抑制DHSS中噪声干扰的技术。
Based on the complicated noise characteristics in digital holographic storage system ( DHSS ), some methods of channel code in digital communication are introduced .
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研究了用波长为632.8nm的柱面波与平面波记录形成的体全息柱透镜用波长为800nm的平面波重现下的波前转换情况。
The wave-front conversion between cylindrical and plane waves by photorefractive local volume holograms recorded at 632.8 nm and reconstructed at 800 nm is investigated in this paper .
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介绍了聚合物分散液晶(PDLC)材料及体全息光栅的特性,提出了基于全息聚合物液晶(H-PDLC)电控光栅多极串联式动态增益均衡器的设计。
The characteristics of polymer dispersed liquid crystal ( PDLC ) and holographic polymer dispersed liquid crystal ( H-PDLC ) volume grating are introduced . Based on the novel H-PDLC volume gratings , series-connecting dynamic gain equalizer design is provided .
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Buse等人在双掺杂Fe:Mn铌酸锂晶体实现的非挥发全息记录不但是一种有应用前景的光固定方法,而且也是一种在晶体中记录局域体全息的全光学的方法。
Nonvolatile holographic recording in lithium niobate crystals doubly doped with Fe : Mn proposed by Buse et al . is not only a promising method for optically fixing holograms , but also an all-optical method for recording a local volume holograms in photorefractive crystals .
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体全息存储系统的噪声分析与抑制方法研究
Analysis and Research on Suppressing the Noise in Holographic Storage System
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用于体全息存储系统的调制&阵列码的设计与实现
Design and Implementation of Modulation-Array Code Used in Digital Holographic Storage
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体全息存储系统中新调制编码技术的研究进展
Study and Development of Modulation Code Technique in Digital Holographic Storage
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体全息波分复用器件波长选择性实验
Experiment of Wavelength Selectivity of Volume Holographic Wavelength Division Multiplexing Filter
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基于多通道体全息相关器的二维离散沃尔什变换
Two Dimensional Discrete Walsh Transform Based on Multi-Channel Volume Holographic Correlator
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光致聚合物扩散特性对体全息存储性能的影响
The Influence of Diffusion Characteristic on Volume Holographic Storage in Photopolymer
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数字体全息数据存储中的两种信道编码方法
Two channel - coding methods for digital volume holographic data storage
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体全息数据存储文件系统空间分配策略研究
Research on space allocation strategy of the volume holographic data storage
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新型聚合物分散液晶材料研制的电控体全息光栅
A Novel Electrically Switchable Holographic Polymer Dispersed Liquid Crystal Bragg Grating