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| Presentation | 2014-12-11 15:55 Simple modeling of readback response based on granular micro-structure Takuma Jin, Hiroaki Muraoka, Simon Greaves (Tohoku Univ.)  MR2014-34 Link to ES Tech. Rep. Archives: MR2014-34 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Magnetization transitions, readback waveforms, and transition jitter are formulated for Voronoi modeling using error functions. Suitable coefficients for the error functions are provided by the parameters of the granular media, i.e., average grain diameter and grain size distribution. TEM images of real media are used to confirm the fitted results. Random grain positions and uniform SFD are assumed. Readback waveforms for isolated transitions are calculated by reciprocity. The pulse width, T50, is formulated from the medium parameters and readback conditions. An error function with the same T50 and slope at the transition center is a good fit. An analytical expression for jitter noise is presented comprising grain size and track width parameters. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Granular media / Voronoi modeling / Transition shape / Jitter / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, Dec. 2014. | |
| Paper # | ||
| Date of Issue | 2014-12-04 (MR) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | MR2014-34 Link to ES Tech. Rep. Archives: MR2014-34 |
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| Conference Information | |
| Committee | MRIS ITE-MMS |
| Conference Date | 2014-12-11 - 2014-12-12 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Ehime Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Signal Processing, etc. |
| Paper Information | |
| Registration To | MRIS |
| Conference Code | 2014-12-MR-MMS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Simple modeling of readback response based on granular micro-structure |
| Sub Title (in English) | |
| Keyword(1) | Granular media |
| Keyword(2) | Voronoi modeling |
| Keyword(3) | Transition shape |
| Keyword(4) | Jitter |
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| 1st Author's Name | Takuma Jin |
| 1st Author's Affiliation | Tohoku Univercity (Tohoku Univ.) |
| 2nd Author's Name | Hiroaki Muraoka |
| 2nd Author's Affiliation | Tohoku Univercity (Tohoku Univ.) |
| 3rd Author's Name | Simon Greaves |
| 3rd Author's Affiliation | Tohoku Univercity (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2014-12-11 15:55:00 |
| Presentation Time | 25 minutes |
| Registration for | MRIS |
| Paper # | MR2014-34 |
| Volume (vol) | vol.114 |
| Number (no) | no.355 |
| Page | pp.35-39 |
| #Pages | 5 |
| Date of Issue | 2014-12-04 (MR) |
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