(electronics) the time required for the current or voltage in a circuit to rise or fall exponentially through approximately 63 per cent of its amplitude
the ratio of the inductance of a circuit in henries to its resistance in ohms
例句
用作名词 (n.)
Ringing can be eliminated by increasing the desired closed-loop time constant. 可以通过增大期望闭环时间常数来消除振铃现象。
This low time constant is consistent with the stability requirements of close-loop control systems. 这低时间常数是符合闭回路控制系统中稳定性的要求的。