THE RESEARCH OF TWO-MODULUS CODES WITH SUMMATION OF UNIT BITS WITH CALCULATION BY MODULO “FOUR”

D.V. Efanov, Cand. Sc. (Eng.)
Russion Transport University (MITE), 9 Obraztsov St, Moscow, 127994, Russian Federation, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.),
V.V. Sapozhnikov, Dr Sc. (Eng.),  Vl. V. Sapozhnikov,  Dr Sc. (Eng.),, V.A. Schagina
Emperor Alexander I St.Petersburg State Transport University, 9 Moskovsky Ave, Saint Petersburg, 190031, Russian Federation, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.)

Èlektron. model. 2018, 40(4):29-54
https://doi.org/10.15407/emodel.40.04.029

ABSTRACT

The methods of codes with summation of unit bits construction are analyzed. In addition to the classical sum code (Berger code), there is a family of modified codes, which are built through the allocation of controlled subsets of data vector’s bits. The connection between the methods of the classical Berger code modification is determined and new two-module codes with summation of unit data bits are proposed. The methods of two-module sum codes construction are also analyzed; their features and characteristics are described. The general block diagram of two-module sum code generators is presented.

KEYWORDS

technical diagnostics, sum code, modified Berger code, two-module sum code, undetectable error.

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