V2EX single-mode

Single-Mode

释义 Definition

(多用于通信/光纤领域)单模(的):指只允许一种主要传播模式传输信号的系统/波导/光纤(常见于“single-mode fiber”,单模光纤),特点是适合长距离、高带宽、低色散传输。也可更泛指“单一模式/工作模式”。

发音 Pronunciation

/sl mod/

例句 Examples

We use single-mode fiber for long-distance links.
我们用单模光纤来做长距离链路。

Because single-mode propagation reduces modal dispersion, the network can carry higher data rates over many kilometers with cleaner signals.
由于单模传播减少了模间色散,网络可以在数十公里范围内以更干净的信号承载更高的数据速率。

词源 Etymology

single(“单一的”,源自拉丁语 singulus,意为“一个一个的、单个的”)+ mode(“模式”,源自拉丁语 modus,意为“方式、尺度”)组合而成;在光通信语境中,“mode”特指电磁波在波导/光纤中的传播“模式”。

相关词 Related Words

文学作品/著作中的用例 Literary Works

  • Fiber-Optic Communication Systems(Govind P. Agrawal)讨论单模光纤传输与色散等问题时频繁出现“single-mode”。
  • Optical Fiber Communications(Gerd Keiser)在单模/多模光纤对比、系统设计章节中使用“single-mode”。
  • ITU-T 标准 G.652(单模光纤与光缆特性)作为规范文件反复出现“single-mode (fiber)”。
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