复口径Kirchhoff褶积公式和孔径辐射的复射线束仿真
KIRCHHOFF's FALTUNG FORMULA OF COMPLEX APERTURE AND COMPLEX RAY SIMULATION OF APERTURE RADIATION
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摘要: 本文基于解析延拓的概念,由实口径的Kirchhoff褶积公式导出了复口径的Kirchhoff褶积公式。理论分析和数值计算表明,利用复口径Kirchhoff褶积公式可以实现对孔径辐射场的复射线束仿真,从而为进一步研究孔径辐射场在复杂媒质中的传播提供了一种新方法。Abstract: The Kirchhoff s faltung formula of complex aperture is proposed as a new method for radiation from a plane aperture. It is based on the idea of analytic extension that the original aperture field is extended to a complex plane, and then the Kirchhoff s faltung formula makes up an indirect and rigorous representation of the radiation from a plane aperture. Numerical calculations comfirm its effectiveness and correctness.
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