最小化天线阵列侧瓣的加窗技术的比较分析

Teja Mvsr, Ajith Kumar, C. V. Sai Prasanth
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引用次数: 6

摘要

为了减小天线辐射方向图中的侧瓣,人们进行了大量的研究。在这一过程中采用了许多新颖的技术。窗窗技术是减少侧叶的关键技术之一。本文的重点是评价和比较不同加窗技术在减少端射阵列侧瓣方面的效率。比较选择的窗法有Bartlett窗、Hamming窗、Hanning窗、Blackman Harris窗。数组中的元素数分别为8和16。最后,我们比较了每个窗口在侧瓣电平(SLL)方面的性能,并生成了每个窗口的极坐标图和辐射图。因此我们发现布莱克曼哈里斯窗口的性能非常好而且是一个非常好的通用窗口,有很好的副瓣抑制和中等宽度的主瓣。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comparative analysis of windowing techniques in minimizing side lobes in an antenna array
Heavy amount of research is being done to reduce side lobes in antennas radiation pattern. Many novel techniques have been adopted in this pursuit. One such technique playing pivotal role in reducing side lobes is windowing techniques. The main emphasis of this paper lies on evaluation and comparison of different windowing techniques efficiency in reducing side lobes of an end-fire array. The windowing techniques chosen for comparison are Bartlett window, Hamming window, Hanning window, Blackman Harris window. The number of elements in array are eight and sixteen respectively. Finally we compared the performance of every window in terms of side lobes level (SLL) and generated polar plots and radiation patterns for each window. Hence we found out that performance of Blackman Harris window is very good and it is a very good general purpose window, having good side lobe rejection and having a moderately wide main lobe.
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