In this paper,the background,composition,characteristics and function of automatic meter reading system(AMRS) based on power line carrier are introduced.Its application trend is forecasted.

• 阐述了电力载波抄表系统的背景及电力线扩频载波方式,讨论了电力线载波抄表系统的组成、特点、功能,并指明其广阔的应用前景。