RFID (RadioFrequency identification) is one of the identification technologies which can realize intercommunication by using wireless channel.
射频识别技术是利用无线信道实现双向通信的一种识别技术。
2
The AGC technology in the radiofrequencychannel is also studied.
研究了射频信道中的自动增益控制技术。
3
The frequency time selective fading resulted from multipath dispersion and Doppler frequency shift is an important characteristic of urban mobile radiochannel.