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Signal Modeling for Volume Holographic Memory

机译:体积全息存储器的信号建模

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摘要

One focus of study is how to improve and enhance signal performance in the field of data storage system. The technology on the signal processing has become more and more mature in conventional storage system, e.g. magnetic storage and optical storage. In holographic storage, data is accessed in accordance with page -by-page versus bit-by-bit in conventional methods. So, the more complex factors are existed to produce the signal distortion in volume holographic memory(VHM).As a result ,a new challenge in data storage arise in the front of some researchers engaged in signal processing .As the conventional method, It is necessary to develop an appropriate signal modeling. In this paper, similar work is greatly desirable for VMM also. Specifically, a signal modeling for VHM is developed by means of analytic method. Simulation result show that a 6.83% density gain and 17.83% capacity gain in the low-contrast (C=5) can be result in when the aperture size is fixed in the trade-off aperture, On the other hand, the density and capacity is increased25.65% and 43.15% in the infinite contrast, respectively.
机译:研究的重点之一是如何在数据存储系统领域中改善和增强信号性能。在传统的存储系统中,例如信号处理技术,信号处理技术已经变得越来越成熟。磁存储和光存储。在全息存储中,在传统方法中,数据是按照逐页而不是逐位访问的。因此,存在更多复杂的因素来在体积全息存储器(VHM)中产生信号失真。结果,一些从事信号处理的研究人员面临着数据存储方面的新挑战。开发适当的信号建模所必需的。在本文中,VMM也非常需要类似的工作。具体地,通过分析方法开发了用于VHM的信号建模。仿真结果表明,当在折衷孔径中固定孔径大小时,可以在低对比度(C = 5)下获得6.83%的密度增益和17.83%的容量增益。无限对比度分别增加25.65%和43.15%。

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