radio noise

• 指干扰无线电信号的 unwanted 电或电磁干扰，常表现为静电声、嘶嘶声或噼啪声。

Unwanted electrical or electromagnetic interference that disrupts radio signals, often heard as static, hissing, or crackling sounds.

1. Unwanted electromagnetic signalsC1formal

   Unwanted electrical or electromagnetic signals that interfere with the reception of desired radio signals.

   无线电噪声

   • The radio noise from the nearby power lines made it hard to hear the broadcast.
   • Engineers work to reduce radio noise in sensitive communication equipment.
   • Solar flares can cause significant radio noise on Earth.

2. Static or hissB2informal

   Audible interference in a radio receiver, often perceived as static, hissing, or crackling sounds.

   无线电噪声

   • I couldn't tune the station properly because of all the radio noise.
   • The old radio produced a lot of noise when turned on.
   • Thunderstorms often create radio noise that disrupts AM broadcasts.