sound absorbing structure 中文意思是什麼
sound absorbing structure
解釋
吸聲結構-
( 3 ) introducing the proportional damping, the finite element formula of structural - acoustic coupled system lined with sound absorbing materials is obtained. mode - superposition technique for modal frequency response analysis of coupled structure - acoustic systems is also used to deal with the sensitivities of the eigenvalues and eigenvectors of coupled systems for the purpose of reducing cavity interior noise in theory
討論了阻尼降噪問題,建立了有阻尼聲振耦合系統的有限元模型,採用振型疊加法,將系統位移轉換到以固有振型為基向量,進行結構壁面有吸聲材料的聲振耦合系統響應的有限元分析與靈敏度分析,推導了比例阻尼條件的靈敏度計算公式。 -
Presently it has many kinds of new advanced equipment assembly lines, can manufacture steel structure roofing, wall - facing extruded steel plate material, scavenging material, indoor - outdoor fireproofing, soundproof and sound - absorbing product
現具備多品種新型先進設備流水線,可適應鋼結構屋面、墻面體壓型鋼板材料及凈化、室內外防火、隔音、吸音產品的生產。 -
Optimization of compound impedance in a double layer sound absorbing structure
雙層阻抗復合吸聲結構的優化設計
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