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。
It establishes a planar wave acoustic passive localization model, and designs the general structure of the position system using simple passive acoustic sensor arrays.
建立了一种平面波声被动定位模型，利用简易被动声传感器阵列，分析并设计了定位系统的总体结构。
When a sound wave strikes the spheres at one end of the acoustic lens, the sound gets converted into a type of shock wave known as a solitary wave.
当把声波打击在声透镜一端的球体上时，声波就会转换成称为孤波的某种类型的冲击波。
The surface acoustic wave (SAW) sensor can transform the measured object into frequency output, viz a kind of digital signal output.
声表面波(SAW)传感器能将被测量转换成容易检测的频率信号，即一种准数字信号的输出。
Acoustic standing wave gyroscope is a type of vibrating gyroscope which can, provide high accuracy.
驻声波振动陀螺是一种可实现高精度的振动陀螺仪。
The stress in ferromagnetic materials was studied by measuring the change of the amplitude of ultrasonic wave with electromagnetic acoustic transducers.
本文主要是对用电磁声换能器，通过测量超声波幅度变化来测量铁磁性材料内部应力的方法进行实验研究。
Because its driving signal is surface acoustic wave, thus it overcomes the shortcomings of complex structure, difficult fabrication and miniaturization in normal ultrasonic motor.
由于其驱动信号是可以由结构简单的叉指电极激发的声表面波，因而克服了一般的超声马达结构复杂，制造困难以及小型化困难等缺点。
The paper introduce the theory of surface acoustic wave sensor, the digital signal treatment, the method of soft design in the passive and wireless tire pressure monitoring system in detail.
文章详细介绍了无源无线轮胎压力监测系统中的声表面波传感器工作原理、回波信号组成、数字信号处理和软件开发方法；
In numerical wave simulation of finite difference for acoustic wave equation, due to the limitation of computer model, there inevitably exists strong artificial boundary reflection.
在声波波动方程有限差分波场数值模拟中，由于计算模型的限制，导致很强的人为边界反射的产生。
The paper studies in passive and wireless tire pressure monitoring system base on surface acoustic wave which can realize small passive and high accuracy in simple structure.
本文研究的是基于声表面波原理的无源无线轮胎压力监测系统，它可以实现高分辨率、小体积、无电池的简化结构。
The disturbance is sound wave, conforming to the laws of acoustic propagation in solids.
这种扰动是种声波，它遵从在固体中声波的传播规律。
An passive and wireless sensor system using a surface acoustic wave (SAW) resonator is described.
介绍了一种基于声表面波谐振器的无源无线温度传感系统。
The existence of various lacunas in bolt bonding system will cause the acoustic wave energy attenuation, phase aberration and frequency dispersion.
由于锚固体系中有不同大小和程度的缺陷，声波在传播过程中将产生能量衰减、相位突变及频散现象。
The existence and uniqueness of global solution for the nonlinear wave equations with acoustic boundary conditions are obtained.
研究具有声学边界条件的非线性波动方程初边值问题，得到整体强解的存在惟一性。
New development of ultrasonic motor, surface acoustic wave motor is introduced.
给出了超声马达的新进展—声表面波马达。
The result is consistent with the data of acoustic wave instrument.
反演结果与声学波浪仪观测数据比对，两者是比较一致的。
A new passive and wireless Surface Acoustic Wave (SAW) sensor array is introduced.
介绍了一种新型的无源、无线声表面波传感系统。
Methods A hydrophone was used as energy converting equipment to collect wave of acoustic pressure in the field of ultrasound.
方法：采用水听器作为换能器，通过采集超声信号在空间声场内一点的声压波形。
Theory of acoustic surface wave is the base for studying high performance acoustic surface is device.
声表面波理论是研究高性能声表面波器件的理论基础。
The application of inter borehole acoustic wave method to probing deep cracks in mass concrete can effectively solve the above mentioned problems.
而应用声波跨孔法进行大体积混凝土结构的深裂缝检测可有效地解决上述问题。
The generalized reflection-transmission coefficient matrix method is developed to study the acoustic wave propagation in a layered cylindric symmetric medium.
本文将广义反射、透射系数矩阵方法推广用于研究声法测井中的声波传播问题。
According to the energy characteristics of acoustic wave, the bolt bonding integrity can be classified by the means of impedance analysis.
利用声波的能量特征和波阻抗分析方法，对锚固质量进行初步分级；
Target identification using moving target's acoustic wave is a basic task of the acoustic detection system.
利用声目标在运动过程中产生的声波，对目标进行识别是被动声探测系统的基本任务。
Although one can get full acoustic wave data using acoustic wave equation for seismic modeling, the data are difficult to interpret for the multiples.
利用全声波方程进行地震波场的数值模拟，虽然可以计算全声波波场值，但是也常常会出现层间多次波，给资料解释造成一定的困难。
The sensor was applied to detect several kinds of laser ultrasonic, such as surface acoustic wave, Lamb wave and longitudinal wave, well-defined waveforms were obtained.
采用该传感器测试了激光超声表面波、兰姆波和纵波，获得了很好的波形。
The reflected pressure of the fluid is similar between the plane acoustic wave and the point source acoustic wave.
因此，这两种不同入射声波的声波反射压力的变化既有不同，又有着相似之处。
The reflected pressure of the fluid is similar between the plane acoustic wave and the point source acoustic wave.
因此，这两种不同入射声波的声波反射压力的变化既有不同，又有着相似之处。
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