射频传输 meaning in English

radio frequency transmission

The up converter receives at its input the if signal coming from the modulator and converts it on the rf transmission channel
上转换器在它的来自调节器的输入if信号上接收和在射频传输频道上转换。
These works are presented in this paper : 1 , research and introduce the theory of the whole rfid system , including key technologies such as structure of the system , flow of working , interface of energy and data , integrality and security of transmission of data
文章所做的工作包括： 1 、对整个射频通信系统的工作原理进行了深入的研究和介绍。包括系统构成、工作流程、能量及数据的射频传输接口、数据传输的完整性和安全性等关键技术。