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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...

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.

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。

Forward looking array is commonly used in GMTD. This paper introduces the structure of forward looking circular planar array antennas for phased array radar. The patterns of the forward looking circular planar array antennas are derived. Some results of simulation and analysis of the patterns are given when the apperture distribution is uniform. The results obtained are helpful to research STAP based on forward looking circular planar array antennas.

执行地面目标检测任务的机载相控阵雷达通常采用前视阵.介绍了机载相控阵雷达中的前视圆面阵的结构,推导了天线的方向图的计算模型,并就口径场分布为均匀分布的情况下的方向图进行了仿真分析.所得结果有助于研究基于前视圆面阵的空时自适应处理.

 
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