...声学试验；气动性能试验；噪声 中图分类号：U664.121, TK402 文献标志码：A 文章编号：1000-6982 (2010) S2-0131-03 [gap=657]rine diesel power plant; admission air silencer; structure and technical design; acoustic experiment; aerodynamic performance research; noise ...
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在结合声学试验分析和该车车顶棚、前风挡有限元模态分析的基础上，进行了针对降低车内噪声的改进设计。
Together with the FEM modal analysis of the car's roof panel and windscreen, an improved design is achieved to reduce the interior noise.
声学相似性是水下结构噪声模型试验的基础。
Acoustic similarity is the base of scaled model tests of underwater structure noise.
在国内某电厂的300MW机组锅炉上，利用炉墙上的观火孔，分别用扫频信号、白噪声信号和正弦信号进行了冷态下的声学测温试验。
Experiment on acoustic pyrometry is done using the chirp signal, white noise and sine wave respectively in a 300MW boiler in one domestic power plant, through fire hole on furnace wall.
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