Puttarak, Nattakan

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Puttarak, Nattakan
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Puttarak, N.
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nattakan.pu@kmitl.ac.th

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    Item type:Publication,
    Track mis-registration detection using correlation functions in magnetic recording
    (2012-12-01)
    Myint, L.
    ;
    Supnithi, P.
    ;
    Puttarak, N.
    Track mis-registration (TMR) causes the asymmetric inter-track interference which degrades the system performance. In this work, we propose a TMR detection method based on the cross-correlation functions in bit patterned media (BPM) recording systems. Firstly, the coefficients of the channel are predicted with the cross-correlation functions between the readback signals and the recorded bit sequences on the main track as well as the interfering tracks. Using the ratio of the channel coefficients, the presence and direction of TMR and can be predicted more accurately. © 2012 DSI.