《表4 几何外形参数变化范围》

《表4 几何外形参数变化范围》   提示:宽带有限、当前游客访问压缩模式
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《几何外形变化对串联翼型干扰噪声的影响(英文)》


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Figures 15and 16show the frequency obtained at max SPL.It is easy to find that the frequency has a very similar trend as max SPL.That means louder noise is accompanied at higher frequencies.