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信道 (xìn dào) — channel (in telecommunications and information theory)

Definition

noun
channel (in telecommunications and information theory)
Measure word · 条

Examples

  • 信道。
    Zhè ge xìn dào de dài kuān hěn dà.
    The bandwidth of this channel is very large.
  • 信道。
    Wǒ men xū yào xuǎn zé zuì hé shì de xìn dào.
    We need to choose the most suitable channel.
  • 信道。
    xìn dào De zhì liàng yǐng xiǎng le shù jù chuán shū de sù dù.
    The quality of the channel affects the speed of data transmission.

Origin

Compound word
构词法gòucífǎ
偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

信xìnmessage
道dàopath

信 means “message” and 道 means “path”, so it is a channel for signals.

Characters in this word

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
言言yánwords
Sound part声符shēngfú
人
人rén信xìn
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

信 pairs 人 as the sound part with 言 (words) as the meaning part.

Open 信 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
行行xíngstreet
止止zhǐfoot
Sound part声符shēngfú
𩠐
首shǒu道dào
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

Early 道 showed a street 行, a foot 止, and a part written 首 or 𩠐; the right part of 行 later disappeared.

Open 道 →
Appears in
Phones & Telecom

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