V2EX matching network

Matching Network

定义 Definition

匹配网络:在电子与射频工程中,由电感、电容、传输线等元件组成的电路,用来在信号源与负载之间实现阻抗匹配,以减少反射、提高功率传输效率、改善带宽或噪声性能。(在机器学习里也可指“匹配网络”这一类度量学习模型,但此处以更常见的工程含义为主。)

发音 Pronunciation (IPA)

/mt ntwk/

例句 Examples

A matching network can reduce reflections between the antenna and the transmitter.
匹配网络可以减少天线与发射机之间的反射。

After measuring the load impedance, the engineer designed an L-section matching network to maximize power transfer at 2.4 GHz.
在测得负载阻抗后,工程师设计了一个 L 型匹配网络,以在 2.4 GHz 时实现最大功率传输。

词源 Etymology

matching 来自 match(“使相配、匹配”),表示“让两者一致”;network 原指“网状结构”,在工程语境中引申为“由多个元件连接组成的系统/电路网络”。合起来即“用于实现匹配的一组电路连接”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • RF Circuit Design: Theory and Applications(Ludwig & Bretchko)
  • Microwave Engineering(David M. Pozar)
  • The ARRL Handbook for Radio Communications(ARRL 出版)
  • High-Speed Digital Design: A Handbook of Black Magic(Howard Johnson & Martin Graham)
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