k or l edge densitometer

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

文中首先運用核密度估計方法得到兩傳感器輸出信號的概率密度函數估計,然后計算兩輸出信號間K-L(Kullback-Leiber)散度,并提出一種基于K-L散度值的機械或傳感器故障判別準則。