摘要
本文介绍的是一种无线语音传送系统 ,它是由两部分构成的 ,发射部分和接收机部分 .发射部分采用最先进的频率合成技术 ,发射频率稳定 .
A wireless audio transmission system used for teaching in large classroom is introduced.. The system is composed of the emission and the receive part. The emission part adopts the most advanced frequencies synthetic technique, having stable emission frequency. The system is suitable for a large classroom.
出处
《哈尔滨师范大学自然科学学报》
CAS
2003年第2期35-38,共4页
Natural Science Journal of Harbin Normal University
