Noise Characterization in High-Areal Density Perpendicular and Shingled Magnetic Recording

Richard Galbraith; Weldon Hanson; Byron LengsfieldTravis OenningJihoon ParkMichael Salo

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Noise Characterization in High-Areal Density Perpendicular and Shingled Magnetic Recording

机译：Noise Characterization in High-Areal Density Perpendicular and Shingled Magnetic Recording

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In this paper, we present a technique of noise analysis for perpendicular and shingled magnetic recording that is variance centric, i.e., with analysis focused on noise power. Measured noise from a home track viewpoint is decomposed into electronic noise, transition noise, nontransition noise, and inter-track interference components. The separation of media noise into transition and nontransition noise components is accomplished by a variance deconvolution technique. Experimental noise analysis is shown for cases of track squeeze, adjacent track erasure, and read head offset. Potential capacity gains are also assessed for the case of electronic noise improvement.

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《IEEE Transactions on Magnetics》 |2014年第1期|3200707-1-3200707-7|共7页
作者
Richard Galbraith; Weldon Hanson; Byron LengsfieldTravis OenningJihoon ParkMichael Salo;
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Hitachi Global Storage Technologies, A Western Digital Company, Rochester, MN 55901 USA;

Hitachi Global Storage Technologies, A Western Digital Company, San Jose, CA 95135 USA;

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正文语种英语
中图分类计量学;
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Noise Characterization in High-Areal Density Perpendicular and Shingled Magnetic Recording

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