V2EX bistability

Bistability

释义 Definition

双稳态:指一个系统在相同外部条件下可以稳定地停留在两种不同的状态之一,并可能在刺激或扰动下在两种稳定状态之间切换(常见于非线性系统、电子电路、生物调控网络等)。也常与“滞后(hysteresis)”等现象相关。

发音 Pronunciation

/bastblti/

例句 Examples

A simple electronic circuit can show bistability.
一个简单的电子电路就能表现出双稳态。

Because of feedback, the gene network exhibits bistability, switching between “on” and “off” states when the signal crosses a threshold.
由于反馈作用,这个基因网络呈现双稳态:当信号越过阈值时,会在“开启”和“关闭”两种状态之间切换。

词源 Etymology

bistability 由前缀 bi-(“两个/双”)+ stability(“稳定性”)构成,字面意思就是“两种稳定性/双稳定”。该词常用于描述具有两个稳定平衡点或两种稳定工作模式的系统。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Nonlinear Dynamics and Chaos(Steven H. Strogatz)在非线性动力系统语境中讨论双稳态与相变式切换。
  • Dynamical Systems in Neuroscience(Eugene M. Izhikevich)用于解释神经元/神经网络中“开-关”式状态与稳定吸引子。
  • Nonlinear Fiber Optics(Govind P. Agrawal)在光学系统中涉及双稳态与非线性响应(如光学双稳态)。
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