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本文给出了高阶周期平稳随机过程连续时间信号与离散时间信号循环统计量之间的关系，该关系式较之文献［２］中的表达式更为简单明确；在讨论了连续信号循环频率的支撑区及循环矩支撑区的基础之上，给出了连续信号在时间离散化时不发生混迭的条件；从而由离散信号的循环统计量可以得到连续信号的循环统计量。
This paper gives the relationship between continuous-time signal and discrete-time signal cycle statistic of high-order periodic stationary random process, which is more simple and clear than the expression in [2]. After discussing continuous signal circulating frequency Based on the support area and the moment of moment support area, the conditions that the continuous signal does not overlap during the time discretization are given. The cyclic statistics of the continuous signal can be obtained from the cyclic statistics of the discrete signal.