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- acoustic field analysis 声场分析
- The research shows that the three-dimensional acoustic boundary clement model is an efficient and highly accurate method of sound field analysis of reactive mufflers. 研究结果表明;三维声学边界元模型是抗性结构消声器声场分析的有效方法并具有较高精度.
- In underwater acoustic field, triple arrays for ranging, target motion analysis (TMA), match field processing (MFP) are three main methods for passive sonar ranging. 在水声领域,三元子阵测距、目标运动分析(TMA)和匹配场处理(MFP)是被动噪声测距的3种主要技术。
- 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.
- The principle of the car acceleration noise is discussed and the acoustic field model for underneath car cavity is derived. 论述了轿车加速行驶噪声的原理,推导了轿车与地面间声场的声学模型。
- The trajectories of particle movements in a standing wave acoustic field are recorded by fast-speed video camera. 采用可视化实验的方法,拍摄可吸入颗粒在驻波声场中的运动轨迹。
- Show reduced scale model can accurate reflection actual hall acoustic field over loud time. 表示缩尺模型可以准确的反映实际厅堂声场馀响时间。
- A method for measuring acoustic field of electromagnetic ultrasound is introduced. 介绍了一种测量电磁超声声场分布的方法。
- It is very important to pick out the qualified flakes by acoustic field measurement in equipment manufacture. 通过声场测量,筛选出合格的压电陶瓷球片,在治疗设备的制造中显得尤为重要。
- Design method and magnetic field analysis of axial-magnetized permanent magnet micromotor[J]. 引用该论文 杨杰伟;吴一辉;贾宏光;张平;王淑荣.
- Much less EPU times are required for calculating the superposing acoustic field than calculating the classical Fresnel integral. 用单阵元分布函数迭加所得的换能器声场分布的数值计算,比计算经典的Fresnel积分的运算量要小得多。
- Force Field analysis can be used to assess the impact of a proposed solution by helping to understand and present the forces that impact a situation. 立场分析通过帮助了解并展示作用于方案过程的阻力和助力,来评价该解决方案的成效。
- Aim In order to simulate the agglomeration of fly ash particles in the acoustic field more exactly, a new math model is constructed. 目的为了更精确地模拟煤飞灰微粒在声场中的团聚机理,建立一种新的数学模型。
- ANSYS Inc. ANSYS Electromagnetic Field Analysis Guide[J].ht tp://www1.ansys.com/customer/content/documentation/60/Hlp_G_ELE1.html. 刘希云.;流体力学中的有限元与边界元方法[J]
- The experimental research on the pipe flow under the influence of high-intens ity acoustic field is presented in this article. 用实验手段研究强声场对管道内气体流动的影响。
- The machanism of the effect of MCFs and dissipative media was analysed.Finally, an EM wave reflection decay model was derived from field analysis. 分析和讨论镀金属碳纤维 和电磁损耗介质对复合材料电磁参数和反射性能的影响及作用机理;
- Acoustic vector sensor can measures the pressure and particle velocity information of the same point in acoustic field simultaneously. 摘要 声矢量传感器能够同步、共点地拾取声场的声压和质点振速。
- The hypotheses for structural design were testified their validity by the design results of the RAMB and the magnetic field analysis. 基于二维静态模型对设计实例进行了电磁场数值模拟,通过对相关场量分布规律的分析,验证和校正了结构设计过程中的假设条件和设计结果。
- Thus, this skin decouples the vibrating structure from the acoustic field by modifying the wavenumber spectrum of the radiating surface. 首先考虑在边界表面的一端具有脉冲或周期振荡式边界热通量的正算问题。
- In order to ensure the accurateness in measurement, the function magnetic field analysis is adopted to remove bias flow. 采用“函数磁场分析方式技术”确保消除“偏流”影响,保证测量准确;