1) waveform dispersion
波形散射
2) backscatter waveform
后向散射波形
1.
According to the transmission of laser beam in seawater, a method of deducing the effective attenuation coefficient ( k eff ) of the transmission from the backscatter waveform of laser beam has been introduced to discuss the k eff of different experiments.
依据机载蓝绿激光脉冲的传输过程，分析了激光束向下传输时返回的后向散射波形，采用从返回信号中提取出海水的有效衰减系数ｋｅｆｆ的方法，并利用测深系统海上实验采集的数据，获得了后向散射波形的有效衰减系数的估算值，并对结果进行了讨论。
3) beam angle of scattering
散射[波]束锥[形]角
4) scattered wave
散射波
1.
Post-stack attenuation of near-surface scattered wave.;
近地表散射波的叠后衰减
2.
This paper reviewed the definitions of seismic wave scattering,and investigated the characteristics of scattered wave,its differences with reflected wave,and the complex scattering behaviors of metallic ore seismic wave field.
介绍了地震波散射的概念、散射波特征、散射波与反射波的区别等散射波地震方法的基础内容,分析了金属矿地震波场复杂的散射特征。
3.
Results The calculation result shows that spherical surface of the conductor buried in sandy soil presents not only primary and secondary scattered waves but also multiple wave and creeping.
结果表明埋藏在沙土中的导体球面不仅仅存在一次和二次散射波,而且还存在多次波和爬行波。
5) acoustic scattering
声波散射
1.
A new tree structure of fast multi-pole boundary element method for solving the acoustic scattering problem
求解声波散射问题的边界元快速多极算法的一种新型树结构
2.
Two types of methods are usually used for solving problems of numerical modeling of acoustic scattering.
声波散射的数值模拟问题一般用网格法或积分方程法解决。
6) scattering of SH-wave
SH波散射
1.
A numerical simulation for the scattering of SH-wave in infinite area;
吸收边界条件下平面SH波散射的数值模拟
2.
The scattering of SH-waves by an arc-shaped cylindrical hill above a subsurface cavity,or canyon,is studied based on the conjunction concept,using complex functions and the multi-polar coordinate method.
采用“契合”的思想,给出了地下孔洞与地面上的弧形凸起地形对SH波散射问题的解决方法。
3.
An analytic method is developed for the problem of scattering of SH-wave and dynamic stress concentration around a circular cavity near the interface of elastic half space.
建立了求解在含有圆形孔洞的弹性半空间中SH波散射与圆形孔洞附近动应力集中问题的解析方法。
补充资料：前向相干散射原子光谱分析
分子式：
CAS号：
性质：利用光波的前向相干散散射效应进行多元素分析的光谱技术。原理为光散射具有相长干涉和共振性。前者为前向散射光强度比侧向的高；后者为光频率接近于原子共振频率时，散射增强，而且散射光强度与散射原子数目有关。
CAS号：
性质：利用光波的前向相干散散射效应进行多元素分析的光谱技术。原理为光散射具有相长干涉和共振性。前者为前向散射光强度比侧向的高；后者为光频率接近于原子共振频率时，散射增强，而且散射光强度与散射原子数目有关。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条