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Author : Paul Augustine Voois
Publisher :
ISBN 13 :
Total Pages : 272 pages
Book Rating : 4.:/5 (387 download)
Download or read book Two-dimensional Signal Processing for Magnetic Storage Systems written by Paul Augustine Voois and published by . This book was released on 1993 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anantha Raman Krishnan
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (78 download)
Download or read book Signal Processing for Two-Dimensional Magnetic Recording written by Anantha Raman Krishnan and published by . This book was released on 2011 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: With magnetic storage devices already achieving storage densities of up to 400 Gigabits per square inch (Gb/in2), the state of the art is rapidly approaching theoretical limits (dictated by thermal stability concerns). Hence, there is an eort in the industry to develop alternative magnetic storage technologies. Two-dimensional magnetic recording (TDMR) is one such candidate technology. In contrast to other technologies(e.g. heat-assisted magnetic recording [1], bit-patterned media [2]) which rely on signicant changes being made to the recording medium, TDMR relies on the use of traditional recording media, while relying on signal processing to make improvements in the recording density. Though advantageous due to the fact that no drastic re-engineering of media is required, there are signicant challenges that need to be addressed in order to make TDMR a viable candidate for next-generation recordingsystems. The main challenges involved in TDMR arise due to (i) the small bit-area, along with an aggressive write/read process, which leads to a large amount of noise, and (ii) the two-dimensional nature of the recording process { so far not encountered in today's systems. Thus, a gamut of 2D signal processing algorithms need be developed for the compensation of errors occurring due to the aggressive write/read processes. In this dissertation, we present some of the work done with regard to the signal processing tasks involved in TDMR. In particular, we describe our work on (i) channel modelling, (ii) detection strategies, and (iii) error-correction coding strategies targetted at TDMR.
Author : Bane Vasic
Publisher : CRC Press
ISBN 13 : 0203490312
Total Pages : 742 pages
Book Rating : 4.2/5 (34 download)
Download or read book Coding and Signal Processing for Magnetic Recording Systems written by Bane Vasic and published by CRC Press. This book was released on 2004-11-09 with total page 742 pages. Available in PDF, EPUB and Kindle. Book excerpt: Implementing new architectures and designs for the magnetic recording read channel have been pushed to the limits of modern integrated circuit manufacturing technology. This book reviews advanced coding and signal processing techniques and architectures for magnetic recording systems. Beginning with the basic principles, it examines read/write operations, data organization, head positioning, sensing, timing recovery, data detection, and error correction. It also provides an in-depth treatment of all recording channel subsystems inside a read channel and hard disk drive controller. The final section reviews new trends in coding, particularly emerging codes for recording channels.
Author : Morteza Mehrnoush
Publisher :
ISBN 13 :
Total Pages : 167 pages
Book Rating : 4.:/5 (969 download)
Download or read book Signal Processing and Coding for Two-dimensional Magnetic Recording written by Morteza Mehrnoush and published by . This book was released on 2016 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: Initially, several turbo equalization systems for two-dimensional intersymbol interference (2D-ISI) channels are proposed. The systems' receivers consist of joint 2D-ISI equalizers with an irregular repeat accumulate (IRA) LDPC code.
Author : Ning Zheng
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.:/5 (115 download)
Download or read book Signal Processing System Design for Two-dimensional Magnetic Recording Disk Drives written by Ning Zheng and published by . This book was released on 2015 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.:/5 (659 download)
Download or read book Detection and Decoding for Magnetic Storage Systems written by and published by . This book was released on 2009 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: The hard-disk storage industry is at a critical time as the current technologies are incapable of achieving densities beyond 500 Gb/in2, which will be reached in a few years. Many radically new storage architectures have been proposed, which along with advanced signal processing algorithms are expected to achieve much higher densities. In this dissertation, various signal processing algorithms are developed to improve the performance of current and next-generation magnetic storage systems. Low-density parity-check (LDPC) error correction codes are known to provide excellent performance in magnetic storage systems and are likely to replace or supplement currently used algebraic codes. Two methods are described to improve their performance in such systems. In the first method, the detector is modified to incorporate auxiliary LDPC parity checks. Using graph theoretical algorithms, a method to incorporate maximum number of such checks for a given complexity is provided. In the second method, a joint detection and decoding algorithm is developed that, unlike all other schemes, operates on the non-binary channel output symbols rather than input bits. Though sub-optimal, it is shown to provide the best known decoding performance for channels with memory more than 1, which are practically the most important. This dissertation also proposes a ternary magnetic recording system from a signal processing perspective. The advantage of this novel scheme is that it is capable of making magnetic transitions with two different but predetermined gradients. By developing optimal signal processing components like receivers, equalizers and detectors for this channel, the equivalence of this system to a two-track/two-head system is determined and its performance is analyzed. Consequently, it is shown that it is preferable to store information using this system, than to store using a binary system with inter-track interference. Finally, this dissertation provides a number of insights into the unique characteristics of heat-assisted magnetic recording (HAMR) and two-dimensional magnetic recording (TDMR) channels. For HAMR channels, the effects of laser spot on transition characteristics and non-linear transition shift are investigated. For TDMR channels, a suitable channel model is developed to investigate the two-dimensional nature of the noise.
Author : Cinna Soltanpur
Publisher :
ISBN 13 :
Total Pages : 234 pages
Book Rating : 4.:/5 (982 download)
Download or read book Two Dimensional Signal Processing for Storage Channels written by Cinna Soltanpur and published by . This book was released on 2016 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stephan Stiglmayr
Publisher :
ISBN 13 :
Total Pages : 85 pages
Book Rating : 4.:/5 (314 download)
Download or read book Signal Processing and Detection for Digital Magnetic Storage Systems written by Stephan Stiglmayr and published by . This book was released on 2004 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Achim Fahrner
Publisher :
ISBN 13 : 9783183758104
Total Pages : 138 pages
Book Rating : 4.7/5 (581 download)
Download or read book On Signal Processing and Coding for Digital Magnetic Storage Systems written by Achim Fahrner and published by . This book was released on 2005 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xueliang Sun
Publisher :
ISBN 13 :
Total Pages : 149 pages
Book Rating : 4.:/5 (15 download)
Download or read book Local Area Influence Detectors for Turbo Equalization of Two Dimensional Magnetic Recording written by Xueliang Sun and published by . This book was released on 2018 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt: Firstly, we introduce several grain models involved to explain magnetic grain properties. The read and write models in TDMR channel are also discribed and compared against different grain densities.
Author : G.C. Hadjipanayis
Publisher : Springer Science & Business Media
ISBN 13 : 9401006245
Total Pages : 610 pages
Book Rating : 4.4/5 (1 download)
Download or read book Magnetic Storage Systems Beyond 2000 written by G.C. Hadjipanayis and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt: An up-to-date and comprehensive review of magnetic storage systems, including particulate and rigid media, magnetic heads, tribology, signal processing spintronics, and other, future systems. A thorough theoretical discussion supplements the experimental and technical aspects. Each section commences with a tutorial paper, which is followed by technical discussions of current research in the area. Written at a level suitable for advanced graduate students.
Author : Alexandre Smirnov
Publisher : Springer Science & Business Media
ISBN 13 : 3662038552
Total Pages : 277 pages
Book Rating : 4.6/5 (62 download)
Download or read book Processing of Multidimensional Signals written by Alexandre Smirnov and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multidimensional or spatio-temporal signals are important in image processing and television. This book presents the mathematical methods for processing multidimensional signals. It describes applications in system analysis, measurement and optimization and signal restoration, with varying examples of applications.
Author : Charles Eric MacDonald
Publisher : Ann Arbor, Mich. : University Microfilms International
ISBN 13 :
Total Pages : 402 pages
Book Rating : 4.:/5 (318 download)
Download or read book High Bit Rate Signal Processing Techniques and Characterization for Digital Storage Systems written by Charles Eric MacDonald and published by Ann Arbor, Mich. : University Microfilms International. This book was released on 1995 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stewart C. Bushong
Publisher : Elsevier Health Sciences
ISBN 13 : 0323277659
Total Pages : 529 pages
Book Rating : 4.3/5 (232 download)
Download or read book Magnetic Resonance Imaging written by Stewart C. Bushong and published by Elsevier Health Sciences. This book was released on 2003-03-28 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic Resonance Imaging: Physical and Biological Principles, 4th Edition offers comprehensive, well-illustrated coverage on this specialized subject at a level that does not require an extensive background in math and physics. It covers the fundamentals and principles of conventional MRI along with the latest fast imaging techniques and their applications. Beginning with an overview of the fundamentals of electricity and magnetism (Part 1), Parts 2 and 3 present an in-depth explanation of how MRI works. The latest imaging methods are presented in Parts 4 and 5, and the final section (Part 6) covers personnel and patient safety and administration issues. This book is perfect for student radiographers and practicing technologists preparing to take the MRI advanced certification exam offered by the American Registry of Radiologic Technologists (ARRT). "I would recommend it to anyone starting their MRI training and anyone trying to teach MRI to others." Reviewed by RAD Magazine, June 2015 - Challenge questions at the end of each chapter help you assess your comprehension. - Chapter outlines and objectives assist you in following the hierarchy of material in the text. - Penguin boxes highlight key points in the book to help you retain the most important information and concepts in the text. - NEW! Two MRI practice exams that mirror the test items in each ARRT category have been added to the end of the text to help you replicate the ARRT exam experience. - NEW! Chapter on Partially Parallel Magnetic Resonance Imaging increases the comprehensiveness of the text. - NEW! Updated key terms have been added to each chapter with an updated glossary defining each term.
Author :
Publisher :
ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zining Wu
Publisher : Springer Science & Business Media
ISBN 13 : 9780792377177
Total Pages : 182 pages
Book Rating : 4.3/5 (771 download)
Download or read book Coding and Iterative Detection for Magnetic Recording Channels written by Zining Wu and published by Springer Science & Business Media. This book was released on 2000-01-31 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: The advent of the internet age has produced enormous demand for in creased storage capacity and for the consequent increases in the amount of information that can be stored in a small space. While physical and media improvements have driven the majority of improvement in modern storage systems, signal processing and coding methods have increasing ly been used to augment those improvements. Run-length-limited codes and partial-response detection methods have come to be the norm in an industry that once rejected any sophistication in the read or write pro cessing circuits. VLSI advances now enable increasingly sophisticated signal processing methods for negligible cost and complexity, a trend sure to continue even as disk access speeds progress to billions of bits per second and terabits per square inch in the new millennium of the in formation age. This new book representing the Ph. D. dissertation work of Stanford's recent graduate Dr. Zining Wu is an up-to-date and fo cused review of the area that should be of value to those just starting in this area and as well those with considerable expertise. The use of saturation recording, i. e. the mandated restriction of two-level inputs, creates interesting twists on the use of communica tion/transmission methods in recording.
Author : United States. Energy Research and Development Administration
Publisher :
ISBN 13 :
Total Pages : 716 pages
Book Rating : 4.0/5 ( download)
Download or read book ERDA Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1976 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
