本文讨论简正模式、简正频率以及简正模式的重要实例驻波。
This paper discusses normal mode and normal frequency, and then standing wave as an important example of normal mode.
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.
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.
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