In this thesis, the acoustic characteristics of underwater anechoic coating are studied and analyzed by the OOFEM—Object-Oriented Finite Element Method.
本文主要用面向?qū)ο笥邢拊椒?Object-Oriented Finite ElementProgramming——OOFEM)研究了水聲吸聲覆蓋層的聲學(xué)特性。
The Study of the Theory for a New Functional Type of Underwater Sound Absorption Coating;
新型功能性水聲吸聲覆蓋層機(jī)理研究
The Research on the Acoustic Characteristics of Underwater Anechoic Coating by OOFEM
用面向?qū)ο笥邢拊椒ㄑ芯?font color="#FF0000">水聲吸聲覆蓋層聲反射特性
A review of underwater anechoic coating structure and absorption theories
水下吸聲覆蓋層結(jié)構(gòu)及吸聲機(jī)理研究進(jìn)展
When the backing is a double-shell, the water layer causes obvious modulation phenomenon to the absorption coefficient curve.
背襯為雙層殼體時(shí),水層對吸聲覆蓋層的吸聲系數(shù)曲線有明顯的調(diào)制現(xiàn)象。
Computation of Acoustic Characteristics of Seawater Muffler with Waterproof and Sound Absorption Layers
內(nèi)覆防水吸聲層的海水消聲器聲學(xué)性能計(jì)算
Study on Low-frequency Characteristic of Sound Absorption Layer by Embedding Viscoelastic Coated Material
嵌入粘彈性包覆層的吸聲覆蓋層低頻性能研究(英文)
Effects of hydrostatic pressure and damping material on acoustic radiation of cylindrical shell
靜水壓與阻尼覆蓋層對圓柱殼聲輻射的影響
Acoustic and Anti-shock Capability Research of the Acoustic Layer Structure;
聲學(xué)覆蓋層結(jié)構(gòu)聲學(xué)及抗沖擊性能研究
Research on Measuring Sound Impedance of Anechoic Coating and Predictions in Sound Reflection of Composite Structure;
聲學(xué)覆蓋層聲阻抗測量方法及復(fù)合結(jié)構(gòu)聲反射預(yù)報(bào)研究
The Influence of Land Covering on the Traffic Noise Attenuation;
地面覆蓋物對交通噪聲衰減量的研究
To cover with a thin protective layer.
覆蓋以薄的保護(hù)層覆蓋
Inside wall of pump chamber is adhibited with sound absorption material, equipped with double layer sound isolation door.
水泵房等房間內(nèi)壁貼吸聲材料。采用雙層隔音門。
To cover or surround with mulch.
覆蓋用覆蓋層覆蓋或包圍
percolised hose
襯里滲透水帶襯里和覆蓋層
The water filmed over with ice.
水面上被一層薄冰覆蓋著。
Research on p~y Curve for Horizontal Loaded Piles in Hallow Layer Clay;
淺覆蓋層中水平荷載樁P-Y曲線研究
sound-absorbing perforated asbestos cement panel
吸聲帶孔石棉水泥板
Study on the Reasonable Overburden Depth for Subaqueous Rock Tunnel
巖石地層水底隧道合理覆蓋層厚度研究
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