[1]School of Mathematics and Physics, Qingdao University of Science and Technology, Shandong 266000, P. R. China;
[2]College of Information Science and Engineering, Ocean University of China, Shandong 266000, P. R. China;
重根循环码 自对偶 有限域 负循环码 gcd 奇素数 ABP 长度;