減げん衰すい定じょう数すう

noun

damping ratio; decay constant

Technical term used in physics and engineering for the rate at which oscillations or signals diminish over time.

• この回かい路ろの減げん衰すい定じょう数すうは0.5です。

  The damping ratio of this circuit is 0.5.

• 減げん衰すい定じょう数すうが大おおきいほど、振しん動どうは早はやく収おさまります。

  The larger the decay constant, the faster the oscillation dies out.