• A very brief, and usually pronounced, condition, circumstance, event, or phenomenon. Examples include spikes, a sudden liberation of energy, or an abrupt increase in the magnitude of a sound. A system is said to be in a steady state once the effects of a transient have passed, and transients may be considered as temporary phenomena occurring between steady states.
  • A voltage or current spike occurring as a result of a temporary or unexpected condition or event, such as a lightning strike or a significant change in an input or driving signal.
  • That whose duration is very brief. For example, an impulse.

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