V2EX step-response

Step-Response

Definition / 释义

(控制工程/信号与系统)阶跃响应:指系统在输入从某一稳态值突然跳变为另一个稳态值(阶跃输入)后,输出随时间变化的过程,用来评估系统的速度、超调、稳定时间与稳态误差等特性。

Pronunciation / 发音

/stp rspns/

Examples / 例句

The step response shows how fast the system reacts.
阶跃响应显示系统反应有多快。

By analyzing the step response, we can estimate overshoot, settling time, and steady-state error.
通过分析阶跃响应,我们可以估计超调量、稳定时间和稳态误差。

Etymology / 词源

step(“阶跃;突然的跳变”)+ response(“响应;反应”)组成。该术语在20世纪的自动控制与“信号与系统”领域中广泛使用,用“阶跃输入”作为标准测试信号来观察系统的动态表现。(另:response 一词源自拉丁语 respondere,意为“回答、回应”。)

Related Words / 相关词

Literary Works / 文学与著作示例

  • Modern Control Engineering(Katsuhiko Ogata)
  • Modern Control Systems(Richard C. Dorf & Robert H. Bishop)
  • Control Systems Engineering(Norman S. Nise)
  • Feedback Control of Dynamic Systems(Franklin, Powell & Emami-Naeini)
  • Signals and Systems(Alan V. Oppenheim & Alan S. Willsky)
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