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A transient event is a short-lived burst of energy in a system caused by a sudden change of state. The source of the transient energy may be an internal event or a nearby event. The energy then couples to other parts of the system, typically appearing as a short burst of oscillation. ==Electrical Engineering== (詳細はtransient response of a circuit or system. It is a momentary event preceding the steady state (electronics) during a sudden change of a circuit.〔Nilsson, James W, & Riedel, S. ''Electric Circuits, 9th Ed''. Prentice Hall, 2010, p. 271.〕 Mathematically, it can be modeled as a damped harmonic oscillator. An example of transient oscillation can be found in digital (pulse) signals in computer networks.〔Cheng, David K. ''Field and Wave Electromagnetics, 2nd Ed''. Addison-Wesley, 1989, p. 471.〕 Each pulse produces two transients, an oscillation resulting from the sudden rise in voltage and another oscillation from the sudden drop in voltage. This is generally considered an undesirable effect as it introduces variations in the high and low voltages of a signal, causing instability. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Transient (oscillation)」の詳細全文を読む スポンサード リンク
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