Some components of the directional distribution of sound field can be calculated from the measured distribution.
根据测量的分布可推知被测声场方向性分布中的某些成分。
The directional characteristic of microphone is an important factor in the measurement of directional distribution of sound field.
传声器的指向性对声场方向性分布的测量有很大影响。
The results showed that using the physical simulation experiment to investigate and assess rail noise was effective and reliable, especially for the distribution of sound field in the building.
研究结果表明，采用物理模拟实验方法研究、评价铁路噪声，尤其是建筑群中的声场分布是可行和可靠的。
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