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1)  under damping oscillation
欠阻尼振荡
2)  underdamped harmonic motion
欠阻尼谐振荡
3)  damped oscillation
阻尼振荡
1.
By analyzing the pulse transformer and ideal drive electric current wave, we try to improve the rate of changing-over, discuss the damped oscillation, point out existing circuit design error, and working a new circuit design which can reduce the common circuit circulation and switch loss.
通过对脉冲变压器及理想激励电流波形的分析,如何提高转换速率,阻尼振荡予以讨论,指出目前存在的设计误区,做出减少共态导通与开关损耗的新设计。
2.
The mathematical essence of damped oscillation is researched with the qualitative theory of differential equation from the odd characters of the plane autonomous system.
用微分方程定性理论,从平面自治系统奇点的性态角度出发分析了阻尼振荡的数学本质。
3.
The damped oscillation wave is expressed to harmonics in the Fourier series,the loss resistance of inductor and capacitor are measured when the first harmonic and the harmonics which replacing the damped oscillation wave are applied to the RLC series circuit.
分析了RLC串联电路欠阻尼振荡过程衰减系数α的理论值与实验测量值偏离的原因。
4)  under damping vibration
欠阻尼振动
1.
This paper studies and invcstigales the synthcsis of under damping vibration with the same ftequency at two mutual vertital directiuns and the synthesis of under damping vibration with similar ftequency at two directions by using Model JGYW-2 double single vibration apparatus.
本文利用JGYW-2型双单摆振动示波装置研究和探讨了两个相互垂直方向同频率欠阻尼振动的合成和两个同方向频率相近的欠阻尼振动的合成。
5)  weakly damped oscillation
弱阻尼振荡
6)  damp oscillatory wave
阻尼振荡波
1.
Experimental research on power line filter suppressing damp oscillatory wave;
电源滤波器抑制阻尼振荡波的试验研究
补充资料:欠阻尼
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性质:系统或环节受到输入作用后,其输出变量的变化过程中,其达到稳态值的运动方式分为两种情形:若输出变量到达稳态值之前,在其稳态值附近呈振荡方式,称之为欠阻尼;若输出变量不超过其稳态值而渐趋稳态值,称之为过阻尼(overdamping)。

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