Volume change of the simulation calculation of the transmission loss is given, and the simulation results are acquired .
对模型容积的变化进行了传递损失的仿真计算,并得到了仿真结果。
参考来源 - 柴油机排气消声器容积优化分析及研究The optimization improvement is found after the acoustics characteristic analysis of each improvement. Based on Transfer matrix method (TMM) the basic muffler units' transfer matrix are figured out, meanwhile mathmatic models of the muffler transfer loss are carried out.
论文首先基于传递矩阵法推导了消声器中的简单扩张腔、加插入管扩张腔和共振腔的传递矩阵,建立了消声器传递损失计算的数学模型;其次介绍了一维和三维有限元方法的计算特点,并进行了比较,得出了三维方法更为准确和可行的结论,并了解了每种消声单元的不同特性,为以后的改进提供了依据。
参考来源 - 汽车排气消声器声学特性分析Volume change of the simulation calculation of the transmission loss is given, and the simulation results are acquired .
对模型容积的变化进行了传递损失的仿真计算,并得到了仿真结果。
参考来源 - 柴油机排气消声器容积优化分析及研究·2,447,543篇论文数据，部分数据来源于NoteExpress
本发明提供的是一种舰船高传递损失基座结构。
The invention provides a ship high transmission loss base structure.
真空度在新吹填淤泥中的传递损失明显大于天然淤泥。
The loss of the vacuum degree transfer in new hydraulic fill muck is obviously larger than that in the muck.
由边界元法计算出消声器的四极参数，从而预测传递损失等消声量。
The four-pole parameters of muffler can be obtained using BEM, therefore the acoustic characteristics such as transmission loss can be predicted .
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