beat frequency oscillator中文什么意思
- beat frequency: 【物理学】拍频(率)。
- oscillator: n. 1.摇摆者。 2.【电学】振荡 ...
- beat-frequency oscillator transformet: 拍频振荡变压器
- Bfo beat frequency oscillator
- Beat frequency oscillator
A beat frequency oscillator or BFO in radio telegraphy, is a dedicated oscillator used to create an audio frequency signal from Morse code (CW) transmissions to make them audible. The signal from the BFO is then heterodyned with the intermediate frequency signal to create an audio frequency signal.