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IMPROVEMENTS IN THE CAPACITY OF COMPUTER-GENERATED HOLOGRAPHIC STORAGE USING THE LEE METHOD WITH SPARSE MULTIVALUED RECONSTRUCTIONS

机译:带有稀疏多值重构的LEE方法对计算机生成的全息存储容量的改进

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摘要

The use of sparse multivalued data encodings for the purpose of increasing the capacity of parallel-access optical memories based on Fourier-transform computer-generated holography is discussed. Results based on the Lee method indicate that a sparse encoding of nonbinary data words can be used to increase the storage-area utilization efficiency from 35% to >70%. It is also found that for signal-to-noise ratios greater than 200, five-level data encoding can be used to achieve bit error rates less than 10(-12) reliably with 60% area efficiency. [References: 12]
机译:讨论了使用稀疏多值数据编码来增加基于傅立叶变换计算机生成的全息术的并行访问光学存储器的容量。基于Lee方法的结果表明,可以使用非二进制数据字的稀疏编码来将存储区域利用率从35%提高到> 70%。还发现,对于大于200的信噪比,可以使用五级数据编码以60%的面积效率可靠地实现小于10(-12)的误码率。 [参考:12]

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