简正方式
- 网络Oblique modes
简正方式-
房间声场的简正方式有源控制
Active modal control for sound field in a room Normal Mode
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由于大气层的不均匀性，次声波分解成不同的简正方式来传播，它们有各自的相速度和群速度。
Since the inhomogeneity in the atmosphere , an infrasonic wave consists of different normal modes , of different phase and group velocities .
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每一阶简正振动方式的能量与撞击力在该频率的频谱分量的平方成正比；
The energy of every normal mode of vibration is proportional to the square of the spectra !