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.
研究表明这种传感器策略与辐射体表面上的外激励力性质（如激励力类型、频率以及位置等）无关。
It is shown that this sensor strategy is independent of the type, magnitude and position of the external excitation.
本文对筒式粘弹性阻尼器在不同环境温度、激励频率和应变幅值下的动力性能指标进行了试验研究。
The dynamic properties of the circular tube VE dampers are tested under different environment temperature, excitation frequencies and shear strain amplitudes.
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