When the signal is interfered with white gaussian noise,the external information of the observed can be expressed by the plenitude statistic,and output signal can also be checked.

• 运用充分统计量法所述理论,可将观测空间由无限压缩至有限,当信号受到高斯白噪声的干扰时可用充分统计量表示被观测量的全部信息并检测出确知信号。