查询词典 acoustic wave

Installation methods: direct use glue to bond the peak wave sound acoustic panel to the wall or skeletons and other objection need to install sound-absorbing panels objects together.

安装方法：直接用胶水将波峰吸音海绵与墙体或龙骨架及其它需要安装吸音板物体粘合在一起。

The simulated results show that a stable acoustic standing wave is formed in bubble column under the geometric arrangements and the transducer boundary condition employed in this study. Due to the nonlinear behavior of the resonant wave and viscosity of water, there is a temporal shift at pressure nodes.

模拟结果表明，在本研究所用的几何布置和换能器与时间相关的速度入口边界条件下，反应器中形成了一个稳定的驻波声场；由于波的非线性以及水的粘性，压力波节点呈现出轻微的时间漂移性。

The application of the permeability obtaining with stoneley-wave inversion in those complex lithology reservoirs with lower porosity and permeability shows that the permeability from stoneley-wave is a good reference to divide into zone for those reservoirs with relatively good wellbore conditions, big sediment thickness and good homogeneousness. This enlarges the application scope of acoustic logging.

斯通利波渗透率在低孔、低渗透性复杂岩性储层的应用结果表明，对于井眼条件相对较好、储层发育厚度大且均质的该类储层，可参考斯通利波渗透率进行储层的有效性划分，从而拓宽了声波测井的应用范围。

Projectors and monitoring hydrophones are placed n a chamber along its length. The projectors are driven By the required drives that are calculated aceording to a measured transfer matrix, and amplitude, frequency and incident of the predicted plane wave. Then the acoustic pressure field distribution which is equivalent to the predicted plane wave of any incidence is set up in the chamber. A prototype calilbration system has been developed.

在管中沿管轴方向布置一系列发射换能器和监测水听器，根据实测得到的传递函数矩阵和所要模拟的平而波频率、幅度和入射角计算得到一组发射换能器驱动信号的幅度和相位，然后以此信号激励每个发射换能器，就能在管中形成一个等同于任意角度入射的自由场平面波声场的声压分布。

To illustrate the feasibility of our parallel algorithm, the two examples for pseudospectral modeling of seismic wave are given: 2D acoustic and 3D elastic anisotropy modeling of wave propagation.

为了检验我们的并行算法的可行性，文中以傅利叶正演模拟技术为例，给出了声波和3D各向异性弹性波模拟的例子，并对不同版本运算效率进行了比较，证实了方法的有效性。

In the second part presented in Chapter 4, the nonlinear kinetic Alfvén wave on the ion acoustic branch was studied, and a new type of the SKAWs on the ion-acoustic velocity branch is discovered in a low-β plasma.

在第二部分，研究了离子声分支上的非线性动力学阿尔文波并发现了在低β等离子体中的一类新型的SKAW。

Based on the wave equation, this paper describes the underwater acoustic propagation by a wave guide model,and computes the model.

文摘：通过求解波动方程建立了水声在波导中传播的模型并进行了仿真计算。

Based on the wave equation, this paper describes the underwater acoustic propagation by a wave guide model, and computes the model.

通过求解波动方程建立了水声在波导中传播的模型并进行了仿真计算。

This paper presents the method of designing a acoustic sensor monitoring the shock wave and sound wave along with plasma produced in the process of interaction between short-pulse laser and teeth .

介绍了用于激光和牙齿作用后产生的等离子体监控的声学传感器的设计方法，可用于对激光作用过程的监控。

Based on the wavelet transformation and the theory of modal acoustic emission,the dispersion of guided wave propagated in thin plate was investigated by acoustic emission experiment.

基于小波变换和模态声发射理论，通过模态声发射试验的方法确定了管道中导波传播的频散特性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。