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A Study of TDMR for Magnetic Tape Systems

机译：磁带系统TDMR的研究

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摘要

Multiple-input single-output two-dimensional magnetic recording gain in a magnetic tape system was studied under the condition where the bit aspect ratio is 22%-37% compared to current tape systems. The performance was mainly evaluated in terms of signal-to-noise ratio (SNR) cross-track profile utilizing a 2-D read-back signal synthesized from the waveform acquired with a conventional single-reader tape head. The results show that, depending on the reader pitch selected, either significant gain in tracking margin up to 215% compared to the traditional 1-D signal-processing scheme or an additional SNR gain accompanied with a moderate increase in approximately 30% in tracking margin can be achieved by utilizing the 2-D equalization.
机译：在位长宽比为22％-37％的条件下，研究了磁带系统中的多输入单输出二维磁记录增益。该性能主要根据信噪比（SNR）交叉轨迹曲线进行评估，该曲线利用了从常规单读取器磁带机头获取的波形合成的二维回读信号。结果表明，取决于选择的阅读器间距，与传统的一维信号处理方案相比，跟踪余量的显着增益高达215％，或者附加的SNR增益伴随跟踪余量的大约30％的适度增加利用2-D均衡可以实现。

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