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- HF spherical wave horn 高频球面波喇叭
- spheric wave horn 球面波形喇叭
- 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
- 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.
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- The formula of the first term for spheric wave propogating in ealstic medium has been derived,including the first terms of direet wave,reflection wave,and transmitted wave. 本文推导了球面波在弹性介质中传播的首项公式,包括直达波、反射波和透射波的首项。
- This paper proposes a novel method to obtain a simple analytical solution to extrapolation problem for band-limited signals, which is much easier than prolate spherical wave function expansion method. 本文给出能量有限带限信号外推问题新的解析解,它比长球波函数展开法更为简单。
- Using spherical wave beam to illuminate an axicon will result in a beam with small central spot and large focal depth, which is useful for laser communication and long-distance measurement. 由于球面波入射圆锥透镜所产生的出射光束具有焦深长和中心光斑直径较小的特点,适合激光通信以及长距离测量。
- 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 characteristics of illuminated fields formed dua-beam including are discussed plane waves,spherical waves and plane wave and spherical wave. 分析了用于干涉仪成像的照明相干光场的特性。
- Expansion of spherical wave functions 球面波展开
- spheric wave reciprocity calibration 球面波倒易校准
- Based on the Fresnel diffraction integral, the analytical expression for the field distribution of converging spherical waves passing through an annular aperture is derived and some special cases are discussed. 摘要基于菲涅耳衍射积分公式，推导出了会聚球面波通过环形光阑后场分布的解析公式，并讨论了一些特殊情况。
- Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
- HF has a pungent odor. It is extremely corrosive. HF有一种刺激性气味。它是极强的腐蚀剂。
