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。

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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。

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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。

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