extremely high frequency

Thân thiện

A satellite dish receives extremely high frequency signals from space.

Definition

Noun: * Extremely High Frequency (EHF): A band of radio frequencies from approximately 30 to 300 gigahertz (GHz), situated between super high frequency and the far infrared in the electromagnetic spectrum. It is used for high-bandwidth communications, radar, and scientific research.

Usage

"Extremely high frequency" is a technical, uncountable noun phrase used primarily in engineering, telecommunications, and physics. It refers to a specific range of the radio spectrum.

Examples

• The new satellite communication system operates in the extremely high frequency band.
• Extremely high frequency waves have very short wavelengths, which limits their range but allows for high data transfer rates.
• This radar uses extremely high frequency to achieve high resolution.

Advanced Usage

• The abbreviation EHF is commonly used in technical writing and specifications.
  • Example: The device is compliant with EHF transmission standards.

Variants and Related Words

• Millimeter wave (mmWave): A common synonym, as EHF wavelengths are between one and ten millimeters.
  • Example: 5G technology utilizes millimeter wave bands, which are part of the EHF spectrum.

Synonyms

• Millimeter band
• Millimeter wave (mmWave)

Related Phrases

• EHF band: The specific range of frequencies.
  • Example: The signal is broadcast across the entire EHF band.
• EHF radiation: Referring to the electromagnetic waves themselves.
  • Example: The experiment studied the effects of EHF radiation on materials.

Học thuật

Noun

1. 30 to 300 gigahertz

Từ đồng nghĩa

• ehf