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- The acoustic radiation resistance matrix is combined with the velocity vector on a vibration surface to predict the total sound power radiated from the structure. 摘要利用声辐射阻力矩阵和振动面上的速度矢量预报了结构声辐射的总功率。
- Obliquely Incident Plane Wave Excited Rectangular Plate Sound Radiation Calculation by Using the Method of Acoustic Radiation Resistance Matrix 阻力矩阵法计算斜波入射下平板的声辐射
- acoustic radiation resistance 声辐射阻尼
- 2.The acoustic radiation resistance matrix is combined with the velocity vector on a vibration surface to predict the total sound power radiated from the structure. 摘要利用声辐射阻力矩阵和振动面上的速度矢量预报了结构声辐射的总功率。
- It is important in ASAC system based on acoustic radiation modes to obtain adjoint coefficient of the radiation modes. 基于声辐射模态理论进行ASAC控制系统中的一个重要内容就是获得声辐射模态伴随系数。
- It is important in ASAC based on acoustic radiation modes to obtain adjoint coefficients of the radiation modes. 声辐射模态伴随系数的获取是基于声辐射模态理论进行 ASAC控制中的重要环节。
- A mathematical model about acoustic radiation from structure submerged in unbounded sound field was developed using boundary element method. 摘要建立了无界声场中结构体声辐射的边界元数学模型。
- The examples actualize analysis of bilateral coupled vibration and acoustic radiation by using transitivity of CAE software results. 还利用CAE软件结果的可移植性,考虑了半封闭加筋圆柱结构内外分布不同介质时,实现了双边耦合振动声辐射分析求解。
- The effect of various recipe factors on radiation resistance of phenylene silicone rubber was investigated. 研究了配方因素对苯撑硅橡胶耐辐照性能的影响。
- Boundary element methods are used to calculate acoustic radiation of the piping system, which provides the theoretical direction for decr... 计算分析结果表明,本文所建立的振动和声辐射模型及算法有效,有助于该类问题的解决。
- We provide LED lamp-house module with advance design. Our product are easy to be used and maintained. They are water proof, ultraviolet radiation resist and cauterize resist. 我们生产的LED产品光源模块采用先进的设计理念,按照使用维护各个环节都非常简便,达到完全防水,防紫外线,防腐蚀。
- Based on the acoustic radiation mode analysis, the transfer matrix relating the pressure at every field point to normal component of surface velocity is formed. 摘要基于声辐射模态分析,建立了外部场压和结构表面振动速度之间关系的传递矩阵。
- Vibration transmission and underwater acoustic radiation characteristics experiment of floating raft system has an important technical application prospect. 对浮筏系统的振动传递及水下声辐射特性进行试验研究有其重要的工程应用前景。
- Content Analysis: The power breakfast for 300 kcal, 18 g protein, 8 grams fat, 40 grams carbohydrates, but also rich in vitamins, especially vitamin radiation resistance a. 含量分析:这款早餐的能量为300千卡,蛋白质18克,脂肪8克,碳水化合物40克,还富含维生素,特别是抵抗辐射的维生素a。
- The transducers in acoustic logging tool are usually cylindrical piezoelectrical transducers and their acoustic radiation and acceptance have preferred directivity. 换能器的声辐射与接收指向性由其形状与尺寸确定。
- A coupled FEM/BEM for solving fluid-structure interaction problem in structure-borne noise propagation and underwater acoustic radiation is present in this paper. 摘要本文以偶合的有限元素/边界元素法,来处理结构噪音传播与水中噪音辐射中弹性结构物与流体之互制问题。
- Telstar II was made more radiation resistant and was launched on May 7,1963. 通讯卫星2号制作抗辐射性能更好并于1963年5月7日发射.
- In FACS, EGCG could increase radiation resistance of normal cells, which was shown by a lower apoptosis peak. WI-38 showed 12.24% apoptosis by radiation, 5. 35% with EGCG before radiation. 细胞流式仪分析表明:EGCG能增加正常细胞对辐照的抗性,表现在阻抑凋亡峰的形成,使WI-38受辐照后的细胞凋亡量为12.;24%25,EGCG处理后再辐照的细胞凋亡量降至5
- The polyesterimide steel sheet vanish has good electrical,heat resisting,adhesive properties and high radiation resistance. 聚酯亚胺硅钢片漆具有良好的电气性能、耐热性、附着性、耐辐照性、耐化学腐蚀性等。