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- scattering wave method 散射波法
- Prospecting metal mine goafs by Rayleigh wave method is introduced. 介绍用瑞雷波法检测金属矿山采空区。
- For complex heterogeneous medium, the distribution and characteristics of its heterogeneity can be studied by seismic scattering wave. 对于复杂非均匀介质,可以利用地震散射波来研究其分布和性质。
- The time lag between the direct wave and the scattered wave could be computed by using the simplex algorithm method. 当弯曲波在传递时遇到平板裂缝则会产生散射波,因此含有裂缝平板的板波讯号即包括弯曲波的直接波传与裂缝引起的散射波传。
- Minimum Detective Height and Height Measurement Accuracy Use Diffraction Wave Method to Detect a Crack Height. 衍射波法测定裂纹高度时的最小可测高度和高度测试精度。
- A M - band CMFB with a side lobe of about 45 dB was designed using the optimum equal wave method. 通过分析M带滤波器组和M带复用转换器的完全重构条件;用最优等波纹法设计了一个旁瓣约为45 dB的M带余弦调制滤波器组.
- Equivalent offset migration(EOM)method,which has particular advantages in velocity analysis and imaging,provides ideas for scattered wave imaging. 研究表明,基于等效偏移距的偏移方法(EOM)在速度分析和偏移成像方面具有独特的优势,为散射波成像方法研究提供了思路。
- Equivalent offset migration (EOM) method, which has particular advantages in velocity analysis and imaging, provides ideas for scattered wave imaging. 研究表明,基于等效偏移距的偏移方法(EOM)在速度分析和偏移成像方面具有独特的优势,为散射波成像方法研究提供了思路。
- The sound absorption coefficient of three kinds OSB wallboard were tested by the stationary wave method. 采用驻波管法测定了3种定向结构板(OSB)复合墙体的吸声系数;
- With plane wave method,it is proved that the 1D-USPC shares the same bandgap character. 利用平面波法证明了一维超声光子晶体具有一般一维周期层叠结构光子晶体的禁带特征。
- The theoretical response correlates well with dynamic testing of an engineering pil e by the reflective wave method. 理论计算响应与工程桩的反射波法动测结果有较好的相关性。
- The bandgap structure of one-dimensional photonic crystal was calculated and derived with the plane wave method(PWM). 用平面波法研究了椭圆钢柱与环氧树脂组成的三维简立方晶格声子晶体的带隙结构。
- Incorporating quality detection of highway engineering,the principles of Rayleigh wave method are discussed. 结合道路工程路基施工质量检测,介绍了瑞利波测试技术的方法和原理。
- Aim To recover the impedance coefficient from the far field pattern of the scattered wave of the acoustic scattering problem with impedance boundary condition. 目的从阻尼边界条件声波散射问题的散射场的远场模式出发去反演阻尼系数。
- 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。
- Using seismic image method and low-strain reflected wave method, the paper evaluates the quality of pile daises. 该文介绍了用地震映象和低应变反射综合检测桩承台,评价桩承台质量的方法。
- In this paper, I present three studies on high-frequency seismic attenuation and propose that the physical mechanism results from the interference of elastic microscopic multiple scattering waves. 通常认为地震波高频衰减的物理机制主要是滞弹性的吸收,本文通过如下三方面的研究认为地震波高频衰减的物理机制主要是弹性的微观多次散射波的相互干涉。
- Adopts step wave method to measure the timeaverage sound level(equivalent continuous sound level) of the sound level meter. 采用阶梯波法;测试了声级计的时间平均声级;即等效连续声级Leq功能;并对实测值和理论值进行比较.
- The He 2+ +H Impact Ionization process is investigated using a continuum distorted wave method with the eikonal initial_state(CDW_EIS) approximation. 利用初态程函近似的连续扭曲波方法研究了He2+离子与H原子的碰撞电离过程.
- Small villages scatter at the foot of the mountain. 村庄零零落落地散布在山脚下。