Analysis of the push-pull signal in the multi-level run-length limited read-only disc

被引：0
|
作者：
Yan, Mingming [1 ]
Pei, Jing [1 ]
Pan, Longfa [1 ]
Wang, Hequn [1 ]
机构：
[1] Tsinghua Univ, Opt Memory Natl Engn Res Ctr, Beijing 100084, Peoples R China
来源：
EIGHTH INTERNATIONAL SYMPOSIUM ON OPTICAL STORAGE AND 2008 INTERNATIONAL WORKSHOP ON INFORMATION DATA STORAGE | 2009年 / 7125卷
关键词：
multi-level; run-length limited; read-only disc; push-pull signal; tracking error signal;
D O I：
10.1117/12.816086
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Multi-level run-length limited (ML-RLL) recording technology can increase the capacity of the read-only disc without changing the optical and mechanical units. The characteristic of the push-pull signal of the multi-level run-length limited read-only disc is analyzed and compared with that of the conventional DVD read-only disc. Experimental results show the effect of the variation of pit depth is more than other parameters and the peak-to-peak amplitude of the push-pull signal in the ML-RLL read-only disc is about 2.9 times of that in the DVD read-only disc while the variance is nearly 3.2 times. The push-pull method in the ML-RLL read-only disc is more sensitive than that in the conventional DVD read-only disc.
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页数：5
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