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循迹伺服对于DVD播放器稳定准确从光盘上读出起着重要作用。本文介绍了DVD播放器循迹伺服的误差信号产生,控制原理及特性要求,以实际应用为目的全面探索了循迹伺服的参数调整方法,据此使DVD播放器产品达到了商品化。
Tracking servo for the DVD player is accurate and accurate reading from the disc plays an important role. This paper introduces the error signal generation, control principle and characteristic requirements of the tracking servo of DVD player, and explores the parameter adjustment method of tracking servo comprehensively for the purpose of practical application, so that the DVD player products are commercialized.