In this paper we describe simulation analysis and optimization on the characteristic parameters of regenerator, such as the length, the spacing of plates, the position in sound field of regenerator.
本文对回热器的长度、水力半径或板叠间隙、回热器在驻波声场中的位置等回热器特性参数对其性能的影响进行了模拟分析，并在此基础上对回热器或板叠特性参数进行了优化。
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。
The problems which audible sound simulation wants to solve are how to determine a sound field and how to restructure a sound field.
可听声声场模拟所要回答的问题是：怎样确立一个声场和怎样重建一个声场。
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