The cyclic characteristic of the transition matrix for the state of Markov chain of CPM is discussed after a simple introduction to the finite state machine defined for the continuous phasa modulation (CPM).

• 在介绍连续相位调制的有限自动机定义方法之后；讨论了连续相位调制状态序列生成马尔柯夫链状态转移矩阵的循环性质.