理论和实验研究了腔壁弹性对水下小型圆柱形亥姆霍兹共振器共振频率的影响。
And the approximate rigid conditions for small underwater cylindrical Helmholtz resonators of different sizes are given.
分析了低噪声沥青混凝土路面降低轮胎噪声的机理，建立低噪声沥青混凝土路面的声学模型，用亥姆霍兹共振器模型分析计算了声波的共振频率。
The mechanism for low noise asphalt pavement to lower tyre noise is analyzed. A acoustical model is put forward. The resonance frequency of sound wave is analyzed with Helmholtz resonator model.
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