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Signal processing for crosstalk in narrow track HDD

Signal processing for crosstalk in narrow track HDD
窄轨硬盘串扰的信号处理
批准号:
23560457
负责人:
OKAMOTO Yoshihiro
金额:
$3.33万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2011
资助国家:
日本
项目状态:
已结题
起止时间:
2011 至 2013

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中文摘要
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英文摘要
Shingled magnetic recording is being applied to achieve narrow-track recording in HDD. In the system, Intertrack interference arises due to overwriting the following track on the leading track at recording as well as cross-talk due to the sensitivity of reader extending into the adjacent tracks. To observe the phenomena, we made a R/W simulator which records data sequence on a granular media made in computer by write head and obtain the waveform from the media by read head. Signal and noise components are visualized for magnetic grains, and the influence to signal processing is clarified. In addition the performance of signal processing systems such as two-dimensional neuro-canceller and iterative decoding using non-binary low-density parity-check code is clarified.
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会议论文
Write margin evaluation of LDPC coding and iterative decoding system in BPM R/W channel with write errors
具有写入错误的 BPM R/W 通道中 LDPC 编码和迭代解码系统的写入余量评估
DOI: --
发表时间: 2012
期刊:
影响因子: --
作者: [Y. Nakamura, Y. Okamoto, H. Osawa, H. Aoi, H. Muraoka]
通讯作者: H. Muraoka
DOI: --
发表时间: 2014
期刊: Journal of Applied Physics
影响因子: 3.2
作者: [H. Nobuhara, Y. Okamoto, M. Yamashita, Y. Nakamura, H. Osawa, H. Muraoka]
通讯作者: H. Muraoka
Influence of writing ITI effects in shingled magnetic recording
叠瓦磁记录中写入ITI效应的影响
DOI: 10.1109/tmag.2013.2242439
发表时间: 2013
期刊: IEEE Transactions on Magnetics
影响因子: 2.1
作者: [H. Nobuhara, Y. Okamoto, Y. Nakamura, K. Takada, M. Yamashita, H. Osawa, H. Muraoka]
通讯作者: H. Muraoka
LDPC符号化・繰り返し復号化方式における誤り伝搬抑制の一検討
LDPC编码和迭代译码系统中错误传播抑制的研究
DOI: --
发表时间: 2013
期刊:
影响因子: --
作者: [桝谷冬樹, 新見道治, 野田秀樹, 仲村泰明,柳田道太,大沢寿,岡本好弘,村岡裕明]
通讯作者: 仲村泰明,柳田道太,大沢寿,岡本好弘,村岡裕明
25
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