In the track- following servo system of an optical disk drive, the eccentricity of optical disk will cause periodic disturbances on TE(tracking errors) signals.
在DVD循轨伺服控制系统中,碟片的偏心会对循轨误差信号TE(tracking errors)产生周期性的扰动。
DVD Tracking Servo Research;
DVD播放循迹伺服研究