论文部分内容阅读
介绍了光盘系统中临界角聚焦误差检测的改进方法及理论分析，改善了误差检测信号和增益特性，提高了自动聚焦误差控制系统的聚焦精度及稳定性。
The improved method and theoretical analysis of the critical angle focus error detection in optical disk system are introduced. The error detection signal and gain characteristic are improved and the focusing accuracy and stability of the automatic focus error control system are improved.