发明授权
US07031097B1 Systems and methods for using noise measurement tracks with servopositioning signals 失效
使用具有伺服定位信号的噪声测量轨迹的系统和方法

Systems and methods for using noise measurement tracks with servopositioning signals
摘要:
Servopositioning data is written onto a linear recording medium such that a position error signal (PES) is intentionally created. The signal substantially resembles a conventional time based servo pattern, but is insensitive to transverse position. In a preferred embodiment, the signal at a zero-azimuth, i.e., an angle sufficiently small in value such that there is no significant PES signal associated with the transverse motion.
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