作 者: ;
机构地区: 广州番禺职业技术学院信息工程学院
出 处: 《电脑知识与技术》 2010年第01Z期413-415,共3页
摘 要: 编码技术是保障通信信道顺畅的关键技术。奇偶校验码只能发现奇数个错误,不能发现偶数个错误。奇偶校验适合于单独偶发的错码。对于长度不大于列长的突发错误,我们可以用水平一致校验码。方正码除了可以检测出奇数个错误,也有可能发现偶数个错误。G矩阵或H矩阵可以进行线性分组码的编码和译码。 Coding techniques to protect the communication channel is smooth key technologies. Parity-check codes can only be found in odd mistake and can not find even a mistake. Parity for the occasional error in a separate code. For the length of not more than a long burst errors out, we can use the same standard checksum. Founder surprisingly few yards apart can detect an error, but also may find that even a mistake. G matrix or H matrix can be linear block code encoding and decoding.
关 键 词: 奇偶校验码 水平一致校验码 方正码 线性分组码
领 域: [自动化与计算机技术] [自动化与计算机技术]