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分析了高密度数字磁记录中非线性翻转漂移 (NLTS)、非线性部分擦除 (PE)以及改写非线性的形成机理、性能特点和对高密度数字磁记录检测通道的影响。给出了非线性翻转漂移的计算分析模型 ,并介绍了减小非线性失真对检测通道影响的措施。
The formation mechanism, performance characteristics and the influence of non-linear NLTS, non-linear partial erasure (PE) and overwrite non-linearity on high density digital magnetic recording are analyzed. The calculation and analysis model of nonlinear flip drift is given and the measures to reduce the influence of nonlinear distortion on the detection channel are also introduced.