SEE技术是国外最近出现的一种新的故障诊断技术。本文在深入分析SEE技术机理的基础上,把它与共振解调技术进行了比较,阐述了两者在出发点和归宿上的一致性及其在解调故障信息方面的区别,指出了SEE技术的优缺点,进而对SEE技术进行了评论。 SEE technology is a new fault diagnosis technology recently appeared in foreign countries. Based on the deep analysis of the mechanism of SEE technology, this paper compares it with the resonance demodulation technique, expounds the consistency between the two in the starting point and the destination and their differences in demodulating the fault information. Advantages and disadvantages, and then made a comment on the SEE technology.