V2EX two-terminal network

Two-Terminal Network

定义 Definition

两端网络:电路理论中的一种网络(或等效电路)抽象,只对外呈现两个端子(两个外部连接点),外部只能通过这两个端子施加电压、注入电流并观察其电气行为。常用于戴维南/诺顿等效、电阻/阻抗测量与端口特性分析。(也常称为 one-port network “单端口网络”。)

发音 Pronunciation (IPA)

/tu tmnl ntwk/

例句 Examples

A resistor is a simple two-terminal network.
电阻器是一个简单的两端网络。

To simplify the analysis, we replaced the amplifier input with an equivalent two-terminal network and then computed the driving-point impedance.
为简化分析,我们用一个等效的两端网络替代放大器输入端,然后计算其驱动点阻抗。

词源 Etymology

two-terminaltwo(二)+ terminal(端子、接线端)构成,强调“只有两个外部连接端”。network 在电工学语境中指由元件互连形成的“电路网络”。合起来表示“对外只暴露两个端子的电路网络/端口模型”,用于把复杂电路用更易分析的端口特性来描述。

相关词 Related Words

文学与名著用例 Literary / Notable Works

  • 《Engineering Circuit Analysis》(Hayt, Kemmerly, Durbin)以两端网络/端口观点讲解等效电路与输入阻抗等概念。
  • 《Network Analysis》(M. E. Van Valkenburg)系统讨论一端口(两端)网络的端口特性与网络定理。
  • 《Microelectronic Circuits》(Sedra & Smith)在小信号模型与输入/输出等效分析中常用两端网络思路。
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