Comparison of N × 2D and 3D Split-Step Fourier Methods in Realistic 3D Ducting Conditions

机译：N×2D和3D分流傅立叶方法在现实3D管道条件下的比较

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A 3D split-step Fourier method is presented and tested. It is based on a spectral representation of the discrete wave equation in cylindrical coordinates. The formulations in this method are self-consistent in the discrete domain. This method is applied to simulate the propagation with ducts retrieved after clutter data inversion. In the numerical tests, the difference between N × 2D and 3D models is not significant. Thus, in this case, considering the 3D atmosphere effects is unnecessary.

机译：提出和测试了3D分离步骤傅立叶方法。它基于圆柱形坐标中的离散波方程的光谱表示。该方法中的制剂在离散域中是自我一致的。应用该方法来模拟在杂波数据反转后检索的管道的传播。在数值测试中，N×2D和3D模型之间的差异不显着。因此，在这种情况下，考虑到3D气氛效应是不必要的。

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《International Applied Computational Electromagnetics Society Symposium in China》|2017年|858p|共2页
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Hang Zhou; Remi Douvenot; Alexandre Chabory;
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中图分类 O44-53;
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3D propagation; Discrete formulation; Tropos-phere propagation; Ducts;

机译：NTA价格;Discondenst？Way-Fees生产？DACT;

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机译：用于2D或3D光束传播的广角光谱分步法

Comparison of N × 2D and 3D Split-Step Fourier Methods in Realistic 3D Ducting Conditions

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