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多阶光存储是提高光盘存储容量和数据传输率的重要途径。帧同步信号在多阶光盘的重放系统中起着很重要的作用。分析了实际多阶存储系统中帧同步信号的特征和信号检测的特点,提出了一种自适应检测帧同步码的方法。实验结果表明,该方法的精度可以满足系统的需求。
Multi-level optical storage is an important way to improve the storage capacity and data transfer rate of the optical disk. The frame synchronization signal plays a very important role in the multi-stage optical disk playback system. The characteristics of frame synchronization signal and signal detection in real multi-stage storage system are analyzed. A method of adaptive detection of frame synchronization code is proposed. Experimental results show that the accuracy of this method can meet the needs of the system.