second order statistics

常见例句

However, if the source signals have temporal structures, only the second-order statistics can work well.
如果源信号具有时序结构，仅使用二阶统计量信息就可以很好地分离源信号。
BSS includes two methods that respectively based on high-order statistics(HOS) and second-order statistics(SOS).
盲源分离包括基于高阶统计量和二阶统计量两种方法。
In this paper, the problem of blind identification and blind equalization of digital communication systems based on the second-order statistics (SOS) are addressed.
本文主要介绍了基于二阶统计量（SOS）的数字通信系统的盲辨识和盲均衡。