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天线口径上的电流分布与天线的远区波瓣,是一对付立叶变换。把快速付立叶变换方法,用于天线远场波瓣的计算,能大大节省计算时间。对于一些原先由于计算工作量过大,不能计算的问题,此时就可算出,这非常有助天线设计研究工作。
The current distribution on the antenna aperture and the far-field lobe of the antenna are pairs of Fourier transforms. The fast Fourier transform method for the far-field antenna lobe calculation, can greatly save the calculation time. For some originally due to the calculation of the workload is too large, can not be calculated at this time can be calculated, which is very conducive to antenna design and research work.