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- Precision analysis of non-conformal reconstruction for the surface acoustic field on axisymmetric structures 轴对称结构表面声场的非共形重建精度分析
- surface acoustic field 表面声场
- 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。
- 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.
- For very high frequency clocks, a surface acoustic wave (SAW) oscillator is preferable. 对于非常高的频率时钟,用声表面波振荡器更好。
- 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。
- Ken-ya Hashimoto, Surface Acoustic Wave Devices in Telecommunications: modeling and simulation, Springer, 2000. 陈建宏,通讯用压电陶瓷材料及元件,工业材料115期,1996。
- 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。
- Chemical sensing film is the key component of surface acoustic wave (SAW) gas sensor. 化学吸附敏感膜是声表面波(SAW)气体传感器的关键组成部分。
- The surface acoustic waves (SAWs) are dispersive when the near-surface properties of materials are changed. 材料近表面性质的变化能够导致在其中传播的声表面波发生色散。
- 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。
- We have been developing very small devices for communications, which are SAW FILTERS(Surface Acoustic Wave Filters) and supplying a lot to the market. 现在又充分利用所积累的技术,开发出了超小型通讯元件“SAW(弹性声表面波)过滤器”,已投放至众多市场。
- Surface Acoustic Wave Components, Capacitors, EMC Filters,NTC Thermistors,PTC Thermistors,Ferrites &Accessories ,Inductors,Microwave Ceramics, Arrestors,RF Modules etc. 声表面波元件;电容器;电源滤波器;热敏电阻;压敏电阻;铁氧体磁心与附件;电感器件;微波陶瓷元件;气件放电管;射频前羰模块等等.
- 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。
- The diffraction of surface acoustic waves in Raman-Nath regime on acoustic grating with linearly chirped spatial frequency is investigated. 本文将声表面波声栅上的Raman-Nath衍射现象研究发展到其周期的空间频率为线性变化的声栅情形。
- 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。
- 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。