| 体全息存储系统读出图像的放大率的补偿算法研究 |
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| 引用本文： | 刘京京,何树荣,何庆声,金国藩.体全息存储系统读出图像的放大率的补偿算法研究[J].光学技术,2006,32(3):327-329. |
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| 作者姓名： | 刘京京 何树荣 何庆声 金国藩 |
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| 作者单位： | 清华大学,精密仪器系,精密测试技术与仪器国家重点实验室,北京,100084 |
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| 基金项目： | “973”资助项目(G199903301) |
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| 摘 要： | 在1∶1体全息存储系统的读出过程中,保证图像的不失真和降低误码率是最关键的问题。提出了一种新颖的放大率补偿算法,定量分析了放大率偏移误差对图像的影响,并通过理论推导和实验模拟证明了这一算法的可行性。
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| 关 键 词： | 体全息存储 共轭光 放大率偏移误差 补偿算法 |
| 文章编号： | 1002-1582(2006)03-0327-03 |
| 收稿时间： | 2005/5/24 |
| 修稿时间： | 2005年5月24日 |
Holographic data storage system data page alignment using magnification compensation algorism |
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| LIU Jing-jing,HE Shu-rong,HE Qing-sheng,JIN Guo-fan.Holographic data storage system data page alignment using magnification compensation algorism[J].Optical Technique,2006,32(3):327-329. |
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| Authors: | LIU Jing-jing HE Shu-rong HE Qing-sheng JIN Guo-fan |
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| Abstract: | In the process to output data in pixel-matched volume holographic systems,the critical factor is to ensure that the high fidelity and low Bit-Error-Rate of the retrieved page.A novel method named magnification compensation algorism was proposed,which was a post-processing to compensate for pixel shifts produced by magnification error.Furthermore,this method is demonstrated by quantitative analysis and numerical experiments,whose results show a high feasibility and significant improvement in the read out system. |
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| Keywords: | holographic data storage phase-conjugate beam magnification shift error compensation algorism |
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