Wideband Holographic Digital Recording And Reproduction

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Wideband Holographic Digital Recording And Reproduction

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Author : Andrew M. Bardos
language : en
Publisher:
Release Date : 1977

Wideband Holographic Digital Recording And Reproduction written by Andrew M. Bardos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with categories.

Techniques were investigated to apply the concept of holography to the problems of wideband digital recording and reproduction. The feasibility of recording at rates up to 2 Gb/s and playback at both full-record and reduced speeds was theoretically and experimentally considered. The program was a multi-phased effort including the design, development and experimental evaluation of two Exploratory Development Models (EDMs): the Phase I EDM demonstrated recording at 400 Mb/s and playback at 40 Mb/s, and was used to guide design trade-offs for Phase II; the Phase II EDM demonstrated recording at 600 Mb/s playback at full-record and 0 to 1 time expanded rates with bit-error-rates better than .000001. Both full-system operational testing and parametric evaluation on component basis were performed. This report describes design and performance data at both the system and the subsystem levels for the Phase II hardware. Also a part of this program was the development of conceptual designs for potential multi-gigabit recorders. These designs are presented, along with system and subsystem level trade-offs between the various concepts, and recommendations for subsequent development. Overall, this program has made available a new, high-speed, high-capacity information storage approach offering significant advantages over more conventional recording techniques. (Author).

Wideband Holographic Digital Recording And Reproduction Phase Iv

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Author : L. M. Ralston
language : en
Publisher:
Release Date : 1980

Wideband Holographic Digital Recording And Reproduction Phase Iv written by L. M. Ralston and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.

This study effort evaluates potential improvements to the performance of the Wideband Recorder (WBR) system. These potential improvements are in the areas of bit error rate (BER), data packing density, and system optical power efficiency. Improvements to corrected BER which can be obtained by deeper interleaving of the recorded codewords are described and data from experiments simulating this process are documented. A potential data packing density increase from a modification of the intensity profile of the recording beam is described and experimental results are presented. A reduction in raw BER which can be obtained by reduced data crosstalk is predicted, and the results of testing a new, low-crosstalk Acousto-Optic Page Composer (multichannel optical modulator) are presented. Finally a modification to the system's optical path which can reduce the optical power required for data recording is discussed. (Author).

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1988

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Aeronautics categories.

Technical Abstract Bulletin

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Author :
language : en
Publisher:
Release Date : 1980

Technical Abstract Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Science categories.

Laser Recording And Information Handling August 27 28 1979 San Diego California

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Author : Albert A. Jamberdino
language : en
Publisher:
Release Date : 1980

Laser Recording And Information Handling August 27 28 1979 San Diego California written by Albert A. Jamberdino and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Computers categories.

Ultra Wideband Digital Recording Techniques

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Author :
language : en
Publisher:
Release Date : 1977

Ultra Wideband Digital Recording Techniques written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Computer storage devices categories.

Design, modifications, test, evaluation and analysis were made on a predistortion encoder, record equalizer, HDMR head, playback preamplifier, delay modulation detector, and computer tape transport. Performance and performance limits were analyzed and applied to the modulation and coding, tape and head-tape interface, and magnetic heads technologies. (Author).

Holographic Data Storage

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Author : Hans J. Coufal
language : en
Publisher: Springer
Release Date : 2012-09-03

Holographic Data Storage written by Hans J. Coufal and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-09-03 with Science categories.

An outstanding reference book on an exciting topic, reaching out to the 21st century's key technologies. The editors, together with leading experts in the field from both academic research and industry, bring together the latest knowledge on this technique. The book starts with an introduction on the history and fundamentals, multiplexing methods, and noise sources. The following chapters describe in detail recording media, components, channels, platforms for demonstration, and competing technologies such as classical hard disks or optical disks. More than 700 references will make this the ultimate source of information for the years to come. The book is intended for physicists, optical engineers, and executives alike.

Journal Of Current Laser Abstracts

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Author :
language : en
Publisher:
Release Date : 1978

Journal Of Current Laser Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Lasers categories.

International Aerospace Abstracts

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Author :
language : en
Publisher:
Release Date : 1976

International Aerospace Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Aeronautics categories.

Laser Scanning And Recording For Advanced Image And Data Handling

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Author : Albert A. Jamberdino
language : en
Publisher:
Release Date : 1980

Laser Scanning And Recording For Advanced Image And Data Handling written by Albert A. Jamberdino and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Computers categories.