摘要
利用电磁感应原理设计了一种无线广播听音系统；阐述了系统的原理，给出了所需设备及其主要参数。
The principle of electromagnetic induction is applied in designing a kind of wireless audi-system. In this paper, its principle is discussed and its essential equipments and its-main parameters are listed below.
关键词
音频
无线广播
电磁感应
听音系统
audio-frequency, wireless broadcast,electromagnetic induction
