short wave - Definition & Meaning

a radio wave that has a frequency between 3 and 30 MHz, and a wavelength between 10 to 100 meters, used for broadcastinga radio wave that has a frequency between 3 and 30 MHz, and a wavelength between 10 to 100 meters, used for broadcasting

Short wave refers to a type of radio signal with a high frequency range, typically between 3 MHz and 30 MHz. These signals have shorter wavelengths and can travel long distances by bouncing off the Earth's atmosphere, allowing them to reach different parts of the world. Short wave is commonly used for international radio broadcasts, communication with remote areas, and some amateur radio activities. While it offers global reach, its signal can be affected by weather and atmospheric conditions, and it has been partly replaced by newer communication technologies.Short wave refers to a type of radio signal with a high frequency range, typically between 3 MHz and 30 MHz. These signals have shorter wavelengths and can travel long distances by bouncing off the Earth's atmosphere, allowing them to reach different parts of the world. Short wave is commonly used for international radio broadcasts, communication with remote areas, and some amateur radio activities. While it offers global reach, its signal can be affected by weather and atmospheric conditions, and it has been partly replaced by newer communication technologies.

例句

Short wave signals can travel thousands of miles by bouncing off the Earth's atmosphere.
短波信号可以通过从地球大气层反射传播数千英里。
The short wave signal was perfect last night, and I could hear stations from all over the world.
昨晚的短波信号非常完美，我能听到来自世界各地的电台。
The short wave signal faded out as the weather conditions changed, making it hard to hear the broadcast.
随着天气条件的变化，短波信号逐渐消失，使得广播难以听清。