| 光盘存储系统中关键电路的设计与实验仿真 |
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| 引用本文： | 钟海丽,唐贵平,陈海清.光盘存储系统中关键电路的设计与实验仿真[J].长沙航空职业技术学院学报,2008,8(4):42-47. |
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| 作者姓名： | 钟海丽 唐贵平 陈海清 |
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| 作者单位： | 1. 长沙理工大学物理与电子科学学院,湖南,长沙,410077
2. 华中科技大学光电子科学与工程学院,湖北,武汉,430074 |
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| 基金项目： | 湖南省教育厅科研项目
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| 摘 要： | 详细分析只读式光盘读写电路的原理，对其中的关键部分A／D转换和D／A转换电路进行深入的研究，并进行了实验仿真。实验结果表明，在音频数字系统中，将模拟信号转换为数字信号，并以数字信号的形式进行处理、传输或存储，可避免在记录的过程中各种失真，使重放时的音乐质量得到极大的改善。
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| 关 键 词： | 读写原理 A/D和D/A变换 EFM调制 实验仿真 |
Design and Simulating Experiment of Crucial Circuit in CD Storage System |
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| ZHONG Hai-li,TANG Gui-ping,CHEN Hai-qing.Design and Simulating Experiment of Crucial Circuit in CD Storage System[J].JOurnal of Changsha Aeronautical Vocational and Technical College,2008,8(4):42-47. |
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| Authors: | ZHONG Hai-li TANG Gui-ping CHEN Hai-qing |
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| Institution: | ZHONG Hai - li,TANG Gui - ping, CHEN Hai - qing(1. School of Physics ＆ Electronics Science, Changsha Univ. of Science ＆ Technology, Changsha Hunan 410077; 2. School of Optoelectronies Science and Engineering, Huazhong University of Science ＆ Technology, Wuhan Hubei 430074) |
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| Abstract: | The paper detailedly analyzes the read/write circuit principle of CD-ROM,deeply researches the key part of it-A/D and D/A conversion circuit,and it is simulated by experiments.The result shows that the analogue signals are tured into discrete digital signals,and it's processing,transmission and storage are in form of discrete digital signals.Recording based on this form can avoid all kind of distortions during the course of recording,so the quality of music could be improved greatly when it is replayed. |
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| Keywords: | Read-writing Principle A/D and D/A Transforming EFM confection simulating experiment |
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