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- 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。
- DISTRIBUTION OF UNCOUPLED PIEZOELECTRIC SURFACE WAVE MODES IN POINT GROUP 去耦的压电表面波模式在点群中的分布
- Shell Selecting by Ultrasonic Surface Wave. 壳体的超声表面波分选。短句来源。
- XMAC works with monopole full wave mode in cased hole. XMAC在套管井中采用单极全波测量模式。
- Surface wave velocity image has a contrast effect on detecting karst body. 以及面波速度映像成图对岩溶体探测起到了全面追溯和对比作用，进行了分析研究。
- The conclusion is valuable for liquid surface wave detecting and application. 这一结果对液体表面波的检测和应用是有价值的。
- This instrument can detect weak surface waves. 这个仪器可以检测到微弱的地波。
- In this work, the propagation characteristic of electromagnetic wave in a round tunnel is simulated by solving numerically the wave mode equations. 研究了圆形隧道中电磁波的固有传播和导行传播的传播特性,采用数值方法求解了波模方程。
- Slower surface waves travel along the surface of the earth. 较慢的面波沿地球表面传播。
- The motion of surface waves is somewhat more complex. 面波的运动有点复杂。
- The difficulties in surface wave problems arise from the freesurface conditions. 表面波问题的困难来自由表面的条件。
- TE surface waves in absorbing layers with high losses are studied. 研究TE表面波在高损耗吸收层中的特性。
- The electromagnetic fields components of the TE wave mode of a half-round waveguide are obtained theoretically, by using the conclusions of the rectangle and the circular waveguide, the superposition method and the mirror image method etc. 摘要利用矩形波导和圆形波导的结论，并结合叠加法和镜象法等工具，从理论上分析给出半圆形波导的TE波模型的电磁场分量。
- Aim\ To study the SAR imaging of ocean surface wave and the surface wave modulation of radar cross section. 目的研究合成孔径雷达(SAR)对海面波成像的机理和海面波对雷达截面的调制机理。
- There are two chief kinds of seismic waves: body waves and surface waves. 有两种主要的地震波：体波和面波。
- Materials and Methods: The peak systolic velocity at mitral annulus (Sa) was measured by DTI pulsed wave mode using the apical window at 4 chamber, 2 chamber and long apical views. 材料和方法:对肥厚型心肌病及正常人分别测量二尖瓣环各点收缩期峰值速度。
- Makes use of Maxwell equation and gets surface wave dispersive characteristics, energy flow characteristics. 利用麦克斯韦方程得出了表面波的色散特性、能流特性。
- The surface wave propagation method was suitable for the measurement of dynamic shear moduli of particleboard. 不同方法测得的弹性模量值不同．但它们之间存在着一定的内在联系。
- The effect of impounded water surface wave on hydrodynamic pressures is discussed and so. 通过算例，讨论了库水表面波对动水压力的影响。
- The result showed that surface wave method can find out concrete s flaws,in case its parameters are correctly chosen. 结果表明:只要参数选取合理,面波法能够探测出混凝土缺陷,并且效果明显。
