【摘要】 分析了亥姆霍兹共鸣器的共振频率特性,导出了穿孔板吸声结构吸声的中心频率、频带宽度、上限频率及下限频率的估算公式,为设计、制作理想的穿孔板吸声结构提供了参考.更多还原

【Abstract】 This article analyzes the Helmholtz resonator frequency characteristic of resonance,educes sound absorption computation expressions of center frequency and frequency extent and upper limit of frequency and lower limit of frequency of a perforation plank sound absorption construction. Offer reference for designing and doing a perfect perforation plank sound absorption construction更多还原