V2EX equivalent-circuit

Equivalent-circuit

释义 Definition

(电学)等效电路:用更简单的电路模型在特定条件下等效表示原电路或器件的电气行为(如电压、电流、阻抗、频率响应等)。

发音 Pronunciation

/kwvlnt skt/

例句 Examples

The engineer built an equivalent-circuit to predict the filter’s behavior.
工程师建立了一个等效电路来预测滤波器的行为。

Although the transistor is physically complex, its small-signal equivalent-circuit makes the gain calculation much easier at midband frequencies.
尽管晶体管的物理结构很复杂,但它的小信号等效电路在中频段让增益计算容易得多。

词源 Etymology

equivalent 源自拉丁语 aequus(“相等”)相关词根,表示“等同的、等效的”;circuit 源自拉丁语 circuitus(“环行、回路”),在电学中指“电路/回路”。合起来,“equivalent-circuit”就是“在电气效果上等同的电路表示法”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • The Art of Electronics(Horowitz & Hill):在放大器、滤波与器件建模章节中常用“equivalent circuit/等效电路”来解释实际电路的近似分析。
  • Microelectronic Circuits(Sedra & Smith):大量使用小信号等效电路来推导增益、输入/输出电阻与频率响应。
  • Engineering Circuit Analysis(Hayt, Kemmerly & Durbin):在电路等效变换、网络定理(戴维南/诺顿)部分经常出现“equivalent circuit”。
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