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High-density digital recordingThe problems associated with high-density digital recording (HDDR) are discussed. Five independent users of HDDR systems and their problems, solutions, and insights are provided as guidance for other users of HDDR systems. Various pulse code modulation coding techniques are reviewed. An introduction to error detection and correction head optimization theory and perpendicular recording are provided. Competitive tape recorder manufacturers apply all of the above theories and techniques and present their offerings. The methodology used by the HDDR Users Subcommittee of THIC to evaluate parallel HDDR systems is presented.
Document ID
19860005028
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Reference Publication (RP)
Authors
Kalil, F. (NASA Headquarters Washington, DC United States)
Buschman, A. (Naval Intelligence Support Center Suitland, Md., United States)
Date Acquired
September 5, 2013
Publication Date
September 1, 1985
Subject Category
Electronics And Electrical Engineering
Report/Patent Number
NAS 1.61:1111
NASA-RP-1111
Accession Number
86N14498
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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