减幅振荡 meaning in English

convergent oscillation
damped oscillation
damping oscillation

First , we think periodicity and weakening surge of the nonlinear waveform is caused by self - excitation of the circuit . the electric field thresholds ( et ) and maintenance field ( es ) of lock - on are modulated by the ac electric field ; the nonlinear waveform became two main modes of trans - electron oscillator , namely delay polar domain mode and quenched dipole domain mode
指出非线性波形周期性的减幅振荡，是由于光电导开关所处电路自激振荡形成的交流场对偶极畴的阈值电场e _ t和维持电场e _ s进行控制，从而形成转移电子振荡器的两种主要工作模式：延迟偶极畴模式和猝灭偶极畴模式。