ALOHAnet's nodes all transmitted data to a central hub on the same radio frequency, and received data on a second frequency.

ALOHAnet的所有节点将数据以相同射频传输至一个中央线路集成器，再以另一种射频接收这些数据。

youdao

It realizes same radio spectrum using by multi-users. So spectrum detection is the key technique for realization of cognitive radio.

检测主用户信号是否存在的频谱检测技术就成为认知无线电系统的关键技术。

youdao

A hybrid imaging system includes a magnetic resonance scanner (10) and a second modality imaging system (12) disposed in the same radio frequency isolation space (16).

一种混合成像系统包括设置在同一射频隔离空间(16)的磁共振扫描仪(10)和第二模态成像系统(12)。

youdao

We could use the same radio frequencies as the Arecibo message, but why not do something a little more dramatic?

FORBES

"As you know, many of the law enforcement agencies in Atlanta are not on the same radio frequency, " he said.

CNN: Police: Manhunt marred by poor communication

"There have been many claims about home systems and products that use the same radio signal band as Wi-Fi, " Koss continued.

ENGADGET: Koss intros Striva headphone systems, lets you stream music over WiFi straight to your ears