TY JOUR TI Hamming codes and its modifications research within concurrent error detection systems KW concurrent error detection (CED) system KW operational outputs KW Hamming code KW Berger code KW Hamming code modi fi cation KW modular code KW data vectors KW error in data vectors JO Transport automation research AU Sapozhnikov, V.. AU Sapozhnikov, V.. AU Efanov, D.. PY 2015 IS 1 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"