A method for measuring the mono sound power in thermoacoustic resonator was developed by using the theory of plane wave decomposition.
提出了通过平面声波分解测量热声谐振管中单频压力波声功的方法。
In this paper, the interaction between a cw plane wave and a plane pulse travelling with sound speed is considered. Both of them satisfy the homogeneous wave equation.
本文讨论一列平面波与一列平面行波脉冲的声相互作用，显然这两个波不仅都满足波动方程，而且可以用来讨论公共区之外的声散射声问题。
The plane wave error is always negative windage, when the sound wave is the cycle function of space and time.
当声波是空间位置和时间的周期函数时，平面波误差项永远是一负偏差项。
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