| 采样定理与天线综合的研究 |
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| 引用本文： | 顾继慧.采样定理与天线综合的研究[J].南京理工大学学报(自然科学版),2000,24(6):548-552. |
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| 作者姓名： | 顾继慧 |
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| 作者单位： | 南京理工大学电子工程与光电技术学院,南京,210094 |
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| 摘 要： | 天线口径场分布与其方向性之间构成了一对傅里叶变换，而采样定理又在工程上为它们之间的变换提供了方便，借此可对特殊方向性要求的天线进行综合设计。该文对采样原理在天线综合中的应用进行了分析，并进行了数值模拟计算，从中总结出了一些有用结论：采样频率的提高并不改变原场分布的恢复；对方向图的奇对称采样比偶对称采样所恢复的口径场分布均匀等。这些结论对理论分析和工程应用是相当有帮助的。
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| 关 键 词： | 采样定理 天线方向图 傅里叶定律 口径场分布 雷达 |
| 修稿时间： | 2000年5月29日 |
The Research of Sampling Law and Antenna Synthesis |
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| GuJihui.The Research of Sampling Law and Antenna Synthesis[J].Journal of Nanjing University of Science and Technology(Nature Science),2000,24(6):548-552. |
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| Authors: | GuJihui |
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| Abstract: | Apperture distribution and direction of antenna made a pair Fourier transference, and sampling law provided much convenience for this transference in engineering.By use of this law,we could accomplish some antenna syntheses with special directionality. In this paper,the application of sampling law in antenna synthesis is analysed and numerical simulated.Some useful conclusions are drawn as follows: the increase of sampling frequency doesn't change the apperture distribution, the apperture distribution restored by odd symmetry sampling is better than that by even symmetry sampling. All that is helpful for theoretical and engineering application. |
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| Keywords: | sampling law antenna synthesis fourier law appertu re distribution |
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