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EURASIP Journal on Advances in Signal Processing
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Raised Cosine Interpolator Filter for Digital Magnetic Recording Channel

EURASIP Journal on Advances in Signal Processing volume 2011, Article number: 651960 (2011) Cite this article

Abstract

Interpolators have found widespread applications in communication systems such as multimedia. In this paper, the interpolated timing recovery employing raised cosine pulse for digital magnetic recording channel is investigated. This study indicates that the raised cosine interpolator with rolloff factor β between 0.4 and 0.6 is shown to have less aliasing effect and achieve better MSE performance than other interpolators such as the sinc, polynomial, and MMSE interpolators with similar computational complexity. The superiority of the raised cosine interpolator over other interpolators is also demonstrated on the ME2PRIV recording channel through computer simulations. The main advantage of the raised cosine interpolator is that it is potentially simpler and can be fully digitally implemented.

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Authors and Affiliations

  1. Department of Computer Science and Information Engineering, Ching Yun University, Jhongli City, 32097, Taiwan

    Hui-Feng Tsai

  2. Optoelectronics and Systems Laboratories, Industrial Technology Research Institute, Hsinchu, 31040, Taiwan

    Zang-Hao Jiang

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  1. Hui-Feng Tsai
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  2. Zang-Hao Jiang
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Correspondence to Hui-Feng Tsai.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Tsai, HF., Jiang, ZH. Raised Cosine Interpolator Filter for Digital Magnetic Recording Channel. EURASIP J. Adv. Signal Process. 2011, 651960 (2011). https://doi.org/10.1155/2011/651960

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  • DOI: https://doi.org/10.1155/2011/651960

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