摘要 : In this paper, the undetected error probability for binary codes is studied. First complementary codes are studied. Next, a new proof of Abdel-Ghaffar''s (1997) lower bound on the undetected error probability is presented and some... 展开 In this paper, the undetected error probability for binary codes is studied. First complementary codes are studied. Next, a new proof of Abdel-Ghaffar''s (1997) lower bound on the undetected error probability is presented and some generalizations are give 收起