本文得到了在波导传播中的无方向性点源的平均声压、平均强度和声信号振幅的起伏率。
The mean pressure, mean intensity, and the coefficient of variation of amplitude of the signal propagated in wave-guide were obtained in this paper.
在预测火焰的热辐射时，将火焰中心模拟成一个点源，提出了热辐射强度的简便计算方法。
When predicting the thermal radiation of flame, the flame core is simulated as a point source, and the simple calculating method is developed for the strength of the thermal radiation.
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