UHF
Học thuậtThân thiện
Definition
- Noun:
- Ultra High Frequency: A radio frequency band ranging from 300 to 3000 megahertz (MHz). It is used for various types of broadcasting and communication, including television, mobile phones, and Wi-Fi.
Usage Examples
- Noun:
- The new television station broadcasts on a UHF channel.
- Many modern wireless devices operate within the UHF band.
Advanced Usage
"UHF band": Refers specifically to the range of radio frequencies from 300 to 3000 MHz.
- Satellite communications often utilize the UHF band.
"UHF signal": Describes a transmission carried on an ultra-high frequency.
- The UHF signal is less prone to interference from buildings than lower frequencies.
Variants and Related Words
- VHF (Very High Frequency): A lower frequency band (30 to 300 MHz) often compared with UHF.
- SHF (Super High Frequency): The next higher frequency band (3 to 30 GHz) above UHF.
Synonyms
- Ultra High Frequency: The full term for UHF.
- Decimetric band: A technical term referring to the wavelength range (1 meter to 1 decimeter) corresponding to UHF frequencies.
Related Phrases
"UHF antenna": An antenna designed to receive or transmit UHF signals.
- You might need a new UHF antenna to get those channels.
"UHF television": Television broadcasting that uses the UHF frequency band.
- UHF television allowed for more channels than the older VHF system.
Noun
- 300 to 3000 megahertz