您要查找的是不是：
- spherical wave propagation 球波扩展
- Theory of spherical wave decompositon and realization of dip stack. 球面波分解理论及其倾斜叠加方法的实现
- A new algorithm is given, in which the factor of spherical wave front is removing explicitly.Thus the propagation of a focused beam could be evaluated indirectly from propagation of an unfocused beam. 为此提出了一种新算法:将球面波因子提出,将会聚光束的传输过程转化为非会聚光束的传输,从而间接地求得了聚焦光束的光场分布。
- The method has a wide application in wave propagation and signal processing. 它在求解波的传播和信号处理方面也有广泛的应用。
- Axicon's diffraction mode for spherical wave beam with eccentricity[J]. 引用该论文 王中宇;张朵;李萌;高晓颖.
- The highly sophisticated electronic methods rely on either light or radio wave propagation. 较复杂的电子技术是利用光或无线电波传播。
- Fourier transform of any grade can be realized in the free space of Fres-nel diffraction on spherical wave illuminating objects. 通过球面波照明物体的自由空间菲涅耳衍射,实现任意级次分数傅里叶交换,指出了菲涅耳衍射与分数傅里叶变换的一致性。
- The wave propagation along axis direction in piezoelectric hollow cylinder is studied. 对压电圆柱壳体内波的轴向传播进行了研究。
- It is discussed in theory that the feasibility of accomplishing in-line digital holography measurement, illuminated by spherical wave. 理论上讨论了球面波照明情况下实现同轴数字全息检测的可能性。
- The light wave propagates in a straight line. 光波以直线形式传播。
- It is possible that the incident spherical wave beam is tilted with the optical axis of the axicon in practical measurement. 在实际使用中,入射球面波很可能与圆锥透镜的光轴发生倾斜。
- An understanding of wave propagation in anisotropic crystals is a prerequisite to the treatment of a number of important topoics. 了解波在各向异性晶体中的传播是研究一些重要课题必不可少的。
- Here we discuss only two special types of wave propagation problems that have a direct bearing on both theoretical and applied seismology. 在这里我们只讨论和理论地震学及实用地震学都有直接关系的波动传播问题的两个特例。
- The wave propagation in, perhaps, the most general model of a poroelastic medium is discussed. 摘要讨论了弹性多孔介质中波的传播的（或许是）最一般的模型。
- This paper introduced an optical setup to perform fractional Fourier transformation by Fresnel diffraction with a converging spherical wave illumination. 提出了在会聚球面波照明下，用菲涅耳衍射实现分数傅里叶变换的光学装置。
- The finite element method was used to calculate elastic wave propagation in the medium. 本文采用有限元素法计算弹性波在介质中的传播。
- Based on the diffraction theory and stationary phase method, the diffraction patterns produced behind an axicon illuminated by spherical wave are derived. 用衍射理论及稳相法推导了锥形透镜后产生的衍射模式。
- Three major damage mechanisms, namely fault rupture, wave propagation, and soil liquefaction, are considered. 文中考虑三种主要的损坏机制，即断层错动、震波传递、以及土壤液化。
- The method of particle digital holography with spherical wave recording and plane reconstructing is presented and its mathematical description is also given. 提出一种球面波数字记录平面波数字再现的粒子场数字全息方法，并给出了数学表达式。
- Monitoring the comprethensive nuclear-test-ban treaty: regional wave propagation and crustal structure. 全面禁止核试验条约的监督：地面波...[中国核科技信息与经济研究院
