Journal
Scientific and technical journal «Priborostroenie»
UDK681.518.5:004.052.32
Issue:1 (61)
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FEATURES OF HAMMING CODES APPLICATION IN SELF-CHECKING TEST CIRCUIT ORGANIZATION
Annotation
Hamming code properties are analyzed for the case of error occurrence in data bits only; it is actual for the solutions of error detecting systems synthesis. Features of detection of different type (monotonous, symmetric, asymmetric) errors in Hamming code data bits are described. It is shown that ratio of different type of undetectable errors of given multiplicity to the total number of undetectable errors of given multiplicity does not depend on data vector length and is a constant. Results of benchmark experiments demonstrate that application of Hamming code for the organization of self-checking test circuits may be more effective than the use of standard duplication circuit both for technical implementation complexity and for detection of single faults of circuit’s inner structure.
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