V2EX one-port network

One-Port Network

释义 Definition

单端口网络(也称“一端口网络”):在电路/网络理论中,只有一个端口(两端子)与外部相连的电路或子网络。其外部行为通常可用端口的电压电流关系来描述,例如用输入阻抗/导纳,或用戴维宁/诺顿等效来表征。

发音 Pronunciation (IPA)

/wn prt ntwk/

例句 Examples

A resistor is a one-port network.
电阻是一个单端口网络。

To analyze the load, we replaced the one-port network with its Thevenin equivalent seen at the terminals.
为分析负载,我们把该单端口网络在端子处看到的部分用它的戴维宁等效电路来替代。

词源 Etymology

这是由 one(一个)+ port(端口)+ network(网络)构成的工程复合术语。这里的 port 在电路与微波工程里指“对外连接与测量的接口/端子对”,强调“从外部观察系统”的观点;network 源自“net + work”,在工程语境中指由元件互连形成的整体电路/系统。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Microwave Engineering(David M. Pozar)在微波网络分析中常用“一端口/两端口”来描述器件与测量端口。
  • Network Analysis(M. E. Van Valkenburg)电路网络理论中用单端口的端口特性与等效源模型进行分析。
  • Engineering Circuit Analysis(William H. Hayt, Jack E. Kemmerly, Steven M. Durbin)讲解端口变量、等效电路与输入阻抗时会使用单端口网络的概念。
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