平面上瞬态双极近场数据的最优采样插值

F. D’Agostino, F. Ferrara, C. Gennarelli, R. Guerriero, M. Migliozzi
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引用次数: 3

摘要

本文适当地应用电磁场的非冗余采样表示,从最少数量的双极近场数据出发,在时域(TD)平面上推导出最优采样插值公式。它使用非常灵活的源建模,能够很好地适应通常用于通信应用和现代雷达的超宽带(UWB)天线。通过考虑天线被封闭在由两个孔径相同但最终具有不同侧弯的圆碗形成的表面中,可以得到这种建模。最后给出了数值算例,验证了该插值方法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optimal sampling interpolation over a plane from transient bi-polar near-field data
The nonredundant sampling representations of electromagnetic fields are here properly applied to develop an optimal sampling interpolation formula over a plane in the time domain (TD) from a minimum number of bi-polar near-field data. It uses a very flexible source modelling, able to fit very well the ultra wide band (UWB) antennas typically employed for communication applications and modern radars. Such a modelling is obtained by considering the antenna as enclosed in a surface formed by two circular bowls with the same aperture diameter, but with eventually different lateral bends. Numerical examples assessing the effectiveness of the interpolation scheme are shown.
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