Let this be the transmitter f which produces frequency f, and here is the receiver which receives the frequency f prime.

这个是发射机,发射频率是，这是接收机,接收频率f撇。

youdao

Your transmitter has occurred frequency shift.

你的发射机出现频率漂移。

youdao

The terrible lies in: the target device itself into QieMi transmitter, vibrate at a selected frequency for hackers, radio antenna.

其厉害之处在于：将目标设备本身变成窃密发射器，以黑客选定的频率振动，便于无线电天线接收。

youdao

The high-frequency sound from the transmitter produces sharp reflections of small objects for the same reason that an electron microscope (which operates at high frequencies) can see smaller things than a light microscope (which operates at low frequencies).

ECONOMIST: Archaeology

At the time, prosecutors allege, Mrs Heidrun was sitting in her study in front of a wireless transmitter that was receiving encoded messages on a shortwave frequency and was hooked up by cable to a computer, reports the German news website Spiegel Online.

BBC: Russia 'spies' go on trial in Germany

The machine that Dr O'Brien and Dr Frazier have designed to get round these constraints consists of a transmitter that sends out a pulse of sound at a frequency of 6 kilohertz, and an array of 52 receivers that collect the reflections from anything buried beneath the surface.

ECONOMIST: Archaeology