The instant surface wave testing is characterized by fast velocity, high precision and low requirement for site.
瞬态面波技术具有速度快、精度高、对场地要求低等特点。
High frequency surface wave radar is an important tool of the over horizon detection of sea and low-altitude targets.
高频地波雷达是对海面、低空目标进行超视距探测的重要手段。
The observed information shows that the flow is three dimensional and unsteady due to the fluctuating circulation zone and surface wave.
结果表明绕丁坝的近场流动具有强三维非恒定特性，表现在坝后振荡回流区的形成和坝顶表面波的生成。
Using transient surface wave exploration, the shear wave velocity of soil around pile can be tested, and the bearing capacity of piles can be determined.
应用瞬态面波测试技术可以快速检测周土剪切波速，从而可实现单桩承载力的无损检测。
Transient surface wave exploration is a geophysical exploration technique.
瞬态面波勘探就是物探技术中的一种。
Attenuating and absorbing of surface wave on targets is vital for targets' stealth.
目标物体上表面波的衰减吸收对目标的隐身起到很大的作用。
The diffraction intensity is variable with the surface wave amplitude which was also found.
改变表面波振幅，发现了各级衍射条纹的强度变化。
The Rayleigh surface wave prospecting is a new method of the engineering geophysical exploration.
瑞雷面波勘探法是一种新型的工程地球物理勘探方法。
The reflection phase property and surface wave dispersion are analyzed using finite element method.
用有限元方法分析了其反射相位特性及表面波传输特性。
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。
There are quite heavy acoustic wave, surface wave, side wave and other noise waves in raw seismic data in this area.
地震原始资料的声波、面波、侧面波及其它干扰波能量较强。
In the aspect of soil materials, research methods are surface wave test, shaking table test and numerical simulation.
在土体材料方面，研究方法有面波测试、振动台试验及数值模拟。
Sponsored by NSFC and special plan of the Ministry of Land and Resources, we study the database system for surface wave.
本文以国家自然科学基金项目及国土资源部专项计划为依托，开展了面波数据库系统的研究。
A type of surface wave in which particles oscillate horizontally and perpendicularly to the direction of wave propagation.
一种面波，质点水平地振动，并垂直于波传播的方向。
The mechanism of the difference in two wells is analysed from the structure of wells and the property of seismic surface wave.
从井孔结构、地震面波特性等方面分析了两井记震能力差异性的成因机理。
In the same sea state, the time process and the space distribution along major wave direction of the sea surface wave are apparently different.
同一海况下，海面波动的时间过程和沿主波向的空间分布是明显不同的。
Affected by higher Rayleigh wave modes in the surface wave field, the effective phase velocity obtained by spectral analysis of surface waves SASW.
由分层介质表面两不同点响应互谱分析(SASW)得到的有效相速度并不对应于面波基阶模态相速度，它与波场中高阶模态能量分配比例有关。
In this paper the general theory and some experimental results of the electromagnetic surface wave excited by the holographic grating are described.
本文研究了应用全息光栅激励电磁表面波的一般理论与一些实验研究的结果。
In this paper, we devise an experiment, using HF surface wave discharge to excite plasma, to analyze basic characteristics of plasma antenna elements.
本文设计了一种实验方案，用高频表面波放电来激发等离子体，并分析了等离子体天线元的基本特性。
Using the latter, with the correlativity of soil 'density and the velocity of the Rayleigh surface wave, we can obtain the compaction of the subgrade.
后者则是用已得到的各层瑞雷波速度值，利用土密度与瑞雷波速的相关关系计算各层的压实度。
Estimation of target altitude is quite significant to achieving 3d information and increasing early-warning ability for HF surface wave radar (HFSWR).
高度估计对于高频地波雷获取三维信息、提高预警能力很有意义。
Studied the theory about extracting Green Function's from ambient seismic noise, dispersion curve measurement and inversion, and surface wave tomography.
对从背景噪声提取格林函数的理论，频散曲线的测量和反演，以及面波层析成像的理论和方法进行了研究。
The ae sensor calibration system based on pulsed surface wave sound field was built several commercial and self-made ae sensors had been calibrated on it.
建立了基于脉冲表面波声场的声发射传感器标定系统，对商用和自制的几种声发射传感器进行了标定。
The AE sensor calibration system based on pulsed surface wave sound field was built, several commercial and self-made AE sensors had been calibrated on it.
建立了基于脉冲表面波声场的声发射传感器标定系统，对商用和自制的几种声发射传感器进行了标定。
The major methods of measuring Q-value by the natural earthquakes are the ones of using the data of free vibration of earth, body wave, surface wave and coda.
利用天然地震波测量Q值的主要方法有：利用地球自由振荡资料、利用体波、利用面波和利用尾波来研究Q值。
The spectral variation mechanism of the transmitted pulse when surface wave meets a defect in steel tube concrete is explained by using the diffraction theory.
运用波的绕射理论阐明了表面波遇到缺陷时透射脉冲频谱发生变化的机理。
The spectral variation mechanism of the transmitted pulse when surface wave meets a defect in steel tube concrete is explained by using the diffraction theory.
运用波的绕射理论阐明了表面波遇到缺陷时透射脉冲频谱发生变化的机理。
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