k or l edge densitometer

A discriminating approach of machinery or sensor faults is proposed based on the K-L divergence.

文中首先运用核密度估计方法得到两传感器输出信号的概率密度函数估计,然后计算两输出信号间K-L(Kullback-Leiber)散度,并提出一种基于K-L散度值的机械或传感器故障判别准则。