normal graph meaning in English

标准图
正规图

Log - normal graph
对数正规图表
The principles of soft decoding and message passing are discussed . based on normal graph , the update formulas for message passing are derived and further the optimality of message passing algorithm for cycle - free graphs is proved . finally , the issues affecting message passing in graphs with cycles are analyzed
介绍了软判决译码和消息传递的基本思想；基于normal图，推导了消息传递算法的迭代公式，论述了无环图上消息传递算法的最优性，并分析了影响有环图上消息传递的因素； 3