kilohertz

Thân thiện

A radio dial is tuned to a frequency of 1000 kilohertz.

Definition

Noun A unit of frequency equal to one thousand cycles per second. It is used to measure the frequency of alternating current, sound waves, radio waves, and other periodic phenomena.

Usage

"Kilohertz" is a technical term used primarily in physics, electronics, telecommunications, and audio engineering. It is a standard unit for measuring frequency. The term is often abbreviated as "kHz".

Examples

• The standard tuning frequency for the A note above middle C is 440 kilohertz in some scientific contexts, though it is more commonly given as 440 Hz (hertz).
• This radio station broadcasts at a frequency of 102.7 kilohertz.
• The human auditory range is typically from 20 hertz to 20 kilohertz.

Advanced Usage

• "kilohertz range": Refers to frequencies measured in the thousands of cycles per second.
  • Many early computer processors operated in the kilohertz range.
• "a few kilohertz" / "several kilohertz": Common phrases to describe a frequency magnitude.
  • The signal interference occurs at a bandwidth of a few kilohertz.

Variants and Related Words

• Hertz (Hz): The base unit of frequency, equal to one cycle per second. One kilohertz equals one thousand hertz.
• Megahertz (MHz): A unit of frequency equal to one million hertz or one thousand kilohertz.
• Gigahertz (GHz): A unit of frequency equal to one billion hertz or one million kilohertz.
• Frequency: The rate at which a repeating event occurs, measured in hertz.

Synonyms

• Kilocycle (kc): An older term, largely superseded by "kilohertz," meaning one thousand cycles per second.

Học thuật

Noun

1. one thousand periods per second

Từ đồng nghĩa

• kHz
• kilocycle per second
• kilocycle
• kc