V2EX hertz

Hertz

释义 Definition

hertz(Hz)/赫兹:频率单位,表示每秒发生一次周期性变化(1 Hz = 1 次/秒)。常用于描述声波、无线电信号、电脑处理器时钟等的频率。(也可作姓氏,如物理学家 Heinrich Hertz)

发音 Pronunciation (IPA)

/hrts/

例句 Examples

A 60-hertz hum filled the room.
房间里充满了60赫兹的嗡嗡声。

Modern processors can run at several billion hertz, meaning billions of cycles per second.
现代处理器的频率可达数十亿赫兹,这意味着每秒进行数十亿次周期。

词源 Etymology

Hertz 来自德国物理学家 海因里希赫兹(Heinrich Hertz) 的姓氏。为纪念他在电磁波实验与无线电理论发展中的重要贡献,国际单位制将频率单位命名为 hertz(赫兹)

相关词 Related Words

文学作品 Literary Works

  • James Gleick《Faster: The Acceleration of Just About Everything》(讨论现代社会的速度与技术节奏,涉及以“赫兹”等单位描述的技术频率概念)
  • Richard Feynman《The Feynman Lectures on Physics》(物理学经典讲义中常以频率单位“Hz/赫兹”讨论波动与电磁现象)
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