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- Study on the variations of acoustic radiation power and directivity of a damaged stiffened panel 含损伤加筋板结构辐射声功率及指向性变异研究
- acoustic radiation power 辐射声功率
- The aim of ASAC is to control radiation power. ASAC系统最终的目的是控制辐射声功率。
- 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。
- 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 have calculated plasma density distribution, temperature distribution, impurity radiation power loss in SOL with friction. 利用粒子数守恒和“两点模型”,计算了在有摩擦的情况下,删削层中等离子体的密度分布、度分布和杂质辐射的功率损失。
- The Gauss model of point target image irradiance and the calculation model of the infrared radiation power are established. 建立了点目标图像辐照度高斯模型和点目标图像红外辐射功率计算模型。
- 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。
- And the South China plate "central living area" in a more strategic pan-PRD radiation power, enormous market space capacity. 而华南板块“中央居住区”在战略上更具有泛珠三角的辐射力,带来巨大的市场空间容量。
- 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。
- The general covariant expressions of the power flow density and total radiation power ofgravitational wave of diagonal metric are given in this paper. 给出了广义协变的对角度规引力波的功率流密度和辐射总功率表达式。
- 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。
- Soft X-ray Power Meter system which is composed by scintillation and phototube is used to measure X-ray radiation power of wire-arrays on the "Qiangguang 1#" accelerator. 闪烁体和光电管组成的软X射线功率谱测量系统,在西北核技术研究所的“强光一号”加速器上,测量得到了各种丝阵靶的X射线辐射功率波形,并对测量结果进行了分析。
- Based on the acoustic radi-ation modes and the acoustic field distribution modes, the formula for determining the acoustic power radiated from any vibrating surface is derived. The modal analysis in the acoustic radiation problems is enriched. 基于声辐射模态和声场分布模态;推导了计算任意形状振动表面辐射声功率的计算公式;丰富了声辐射问题中的模态分析内容.