周向激励下加筋圆柱壳体振动和声辐射特性的研究是预测水下航行器壳体噪声的关键环节。
Studies of the sound radiation and vibration of the ring stiffened cylindrical shell under the circumferential excitation are important to predict the noise of the underwater naval craft.
采用锤击法，利用冲击激励的宽频特性，研究了金属结构红外探测器的共振特性及影响振动噪声的力学因素。
Mechanical factors effecting on the vibration noise and resonance performance of IR detector were analyzed for the method of impact excitation using a hammer.
推导了固定四角薄型平板扬声器在单点激励下的振动方程，分析了在受激情况下的简正频率，并由简正频率方程导出其受力方程。
The vibration equation for thin flat plane loudspeaker with single point drive and four corners fixed is deduced and its simple harmonic vibration frequency in this condition is analyzed.
本文研究了谐振式硅微结构压力传感器在单频激励和双频激励情况下的非线性振动特性。
The nonlinear vibration characteristics of resonant silicon microstructure pressure sensor are investigated under single and two frequency excitation signal conditions.
论述了单音片传感器测量液体粘度的原理及结构特点，它是利用压电陶瓷的自激振动激励单音片在液体中振动，从而测得液体粘度。
The measuring principle and structure characteristic of the monotone plate vibration sensor, which can be used to measure the viscosity of liquid, are described.
论述了单音片传感器测量液体粘度的原理及结构特点，它是利用压电陶瓷的自激振动激励单音片在液体中振动，从而测得液体粘度。
The measuring principle and structure characteristic of the monotone plate vibration sensor, which can be used to measure the viscosity of liquid, are described.
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