Here the measurement errors due to acoustic focusing of typical sound sources are analyzed by detailed examples based on the method of image sources in the Ray Theory.
基于射线声学的虚源法，通过具体算例，分析了典型声源声聚焦引起的测量误差。
We adopted Gaussian beam, ray tracing and vector diffraction integration together to analyze single beam spot-focusing lens antenna.
本文采用将高斯波束法，射线追迹和矢量衍射积分相结合的方法来分析单波束的点聚焦透镜天线。
These results of this paper may be of use in designing focusing or deflection systems of electron ray devices, electron-optical instruments and high energy accelerators.
这些结果可用于电子束器件、电子光学仪器和高能加速器中的聚焦或偏转或聚焦兼偏转元件的设计。
Based on diffraction theory a theoretical method for evaluating the three-dimensional focusing performances of the compound X-ray lenses is presented.
给出了基于衍射理论的评价X射线聚焦组合透镜三维聚焦性能的理论方法。
The X-ray capillary optics lens, which is an important X-ray device, can be used to implement the focusing and collimation of X-ray effectively.
射线毛细管光学透镜是一种非常重要的X射线器件，可以有效地实现X射线的聚焦和准直。
Now retired, Ray Twentyman taught PE for more than four decades before retiring last year and focusing on coaching young athletes.
退休教师雷·特文提曼教了四十多年体育课，一直醉心于培养年轻运动员，直到去年才正式退休。
Now retired, Ray Twentyman taught PE for more than four decades before retiring last year and focusing on coaching young athletes.
退休教师雷·特文提曼教了四十多年体育课，一直醉心于培养年轻运动员，直到去年才正式退休。
应用推荐