| 磁光盘非平衡差分信道信噪比模型的研究 |
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| 引用本文： | 曹丹华,阮玉.磁光盘非平衡差分信道信噪比模型的研究[J].光电工程,1997,24(1):17-20. |
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| 作者姓名： | 曹丹华 阮玉 |
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| 作者单位： | 华中理工大学光电子工程系 |
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| 基金项目： | 国家“七·五”科技攻关项目 |
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| 摘 要： | 针对磁光存储系统中的非平衡差分信道建立了描述其信道特性的信噪比模型，并就其读出特性与平衡差分信道进行了比较。研究结果表明：非平衡差分信道的读出信噪比仅略低于平衡差分信道。
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| 关 键 词： | 磁光存储器 偏振测量 信号检测 非平衡 信噪比 |
An Analysis for the Signal to Noise Ratio in the Unbalanced Differential Data Channel for Magneto Optical Disks |
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| Cao Danhua,Ruan Yu.An Analysis for the Signal to Noise Ratio in the Unbalanced Differential Data Channel for Magneto Optical Disks[J].Opto-Electronic Engineering,1997,24(1):17-20. |
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| Authors: | Cao Danhua Ruan Yu |
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| Abstract: | The characteristics of the unbalanced differential channels is modeled for the magneto optical storage system,and the readout characteristics are compared with that of the balanced channels.It is shown that the signal to noise ratio in the unbalanced channels is only a bit lower than that in the balanced channels. |
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| Keywords: | Magneto optical memories Polarization measurement Signal detection Unbalanced Signal noise ratio |
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