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。
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。
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。
Study the international research in the field, it has used surface acoustic wave device or switched-capacitor circuits to realize wavelet transform and its reconstruction devices.
从目前国内外对该领域的研究状况来看，已经有应用声表面波器件及开关电容电路进行小波变换及重构器件的实现。
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。
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。
A virtual instrumentation system for wireless sensing using passive surface acoustic wave sensors is presented. It is designed in light of software on common hardware platform.
分析了在通用硬件平台上结合软件设计的声表面波谐振器无源无线传感虚拟仪器系统。
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。
In chapter two, the (3 + 1) dimensional weakly nonlinear ion acoustic wave at higher order transverse perturbations in plasma was discussed and described by the Kadomtsev-Petviashvili (KP) equation.
论文第二章研究了等离子体中横向扰动下的(3 +1)维弱非线性离子声波，得到了描述离子声孤波的(3 + 1)维kp方程。
This paper focus on one type of ultrasonic motors, the surface acoustic wave linear motor.
介绍了一种新型的超声电机——声表面波直线电机。
The study in the paper is based on acoustic wave equation, but its research methods are also suitable to elastic and viscoelastic wave equation.
本文提出的反演理论，主要是基于声波波动方程展开讨论和研究的，其研究方法对于弹性波方程和粘弹性波方程同样适应。
The wavelet transform is of good localization property in the domain of time and frequency, which provides a comprehensive application in processing acoustic wave.
小波变换同时有在时间域和频率域对信号进行局部化的特点，使其在声波信号处理中有着广泛的应用前景。
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。
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。
ZnO can be used to fabricate transparency electrode, piezoresistor, cell battery window, surface acoustic wave device, gas sensor and light-emitting diode etc.
它可以被用来制作透明电极、压敏电阻、太阳能电池窗口、表面声波器件、气体传感器、发光二极管等。
As a new application in oil production the acoustic wave technique has an effective influence on wax control and viscosity reducing.
作为物理法采油技术的一种新应用，声波技术在原油防蜡降粘方向取得了有效的应用效果。
A phase interference method, for measurement of the relative change of surface acoustic wave velocities, is presented.
本文提出了一种相位干涉法。用来测量表面声波速度的相对变化。
The strangeness of acoustic wave signals is precisely described and is applied to the processing of alternating speech signals.
十分准确地刻画出声波信号的奇异性，并应用于交变语音信号处理中。
The strangeness of acoustic wave signals is precisely described and is applied to the processing of alternating speech signals.
十分准确地刻画出声波信号的奇异性，并应用于交变语音信号处理中。
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