radio-frequency signal

…the first transatlantic radio signal.

首个跨越大西洋的无线电信号

The dispatching of a signal, message, or other form of intelligence by wire, radio, telegraphy, telephony, facsimile, or other means.

用有线 、 无线电 、 电报 、 电话 、 传真或其它方法发送信号 、 报文或其它形式的消息.

The radio direction finding is widely used in military and civilian fields and it can locate the wireless signal, track the signal, finally the azimuth information in which we are interested is obtained in real time.

无线电测向被广泛应用于军事和民用领域，能实现对无线信号定位，进而还可以进行跟踪，实时获取感兴趣目标的方位信息。

the first transatlantic radio signal.

首个跨越大西洋的无线电信号

And if you put radio telescope there you can get a radio signal.

如果你用射电望远镜的话你就能得到射电信号.

The test system consists of signal generator, radio fuse, shielding box and the oscilloscope so on.

该测试系统由信号发生器、无线电引信、屏蔽箱和示波器等组成。

A radio signal was sent to the spacecraft.

向宇宙飞船发出了无线电信号。

Research on Test for RFID Signal Modulation Based on Software Radio and Neural Networks

基于软件无线电和神经网络的RFID调制制式测试研究

Bloop [ to make the high-pitched sound of interference in a radio signal, ].

bloop [ 在收音机信号里发出高而刺耳的干扰音 ].

Intensity of radio signal also had this variation between in diastole and in systole.

离体心脏的心肌射频信号强度收缩期和舒张期之间也存在这种差异.