Titlebook: Data Transportation and Protection; John E. Hershey,R. K. Rao Yarlagadda Book 1986 Plenum Press, New York 1986 ISDN.Protection.communicati

代理人

,Data—Its Representation and Manipulation,oncept—number systems. The number systems considered are those common ones of “normal binary representation,” negabinary, and Gray coding. We also introduce a less well known “mixed-radix system,” based on the factorials. This representation will be of use to us later on when we look at combinatorics.

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偽造者

Source Encoding, and appropriately model the data source. Is it English text? A Markov source? Facsimile? Each source is unique and so are its output statistics. There is often great opportunity to remove redundancy from a source by using simple encoding methods and doing so may result in an appreciable savings in bits sent.