A Viterbi Detector with Feedback Used in Multilevel Run-Length-Limited Modulation Optical Recording
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概要
- 論文の詳細を見る
The multilevel run-length-limited (ML-RLL) modulation recording can improve the capacity and the data transfer rate of the optical disc without changing the optical and mechanical units. A viterbi detector with feedback is used to improve the performance of the partial-response maximum likelihood (PRML) system for ML-RLL optical recording. It can avoid the complexity of viterbi detector caused by the overlength of the memory length of the partial-response mode. The principle, implementation and the simulated results of the viterbi detector with feedback used in ML-RLL system are all presented.
- 2006-08-15
著者
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Xiong Jianping
Department of Precision Instrument and Mechanology, Optical Memory National Engineering Research Center (OMNERC), Bldg. 9003, Tsinghua University, Beijing 100084, P. R. China
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Xiong Jianping
Department of Precision Instruments and Mechanology, Building 9003, Tsinghua University, Beijing, 100084, China
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Xu Duanyi
Department of Precision Instruments and Mechanology, Building 9003, Tsinghua University, Beijing, 100084, China
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Zhang Qicheng
Department of Precision Instruments and Mechanology, Building 9003, Tsinghua University, Beijing, 100084, China
関連論文
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