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中文摘要：
载体平台对天线辐射特性的影响不容忽视,但由于计算机物理内存的限制,使得某些电大平台天线辐射问题无法计算。针对上述问题,采用了利用硬盘代替内存的核外求解方法;为加快求解速度,提出了一种核外分块高斯消元方法。将数据按块集中读写,从而极大地缩短了对硬盘操作的时间。分别计算了金属圆柱平台天线和车载平台天线的辐射方向图。结果表明,本方法可快速求解电大平台天线辐射问题,求解时间与核内方法只相差5.9%,而且不损失计算精度。
英文摘要：
The effect on the antenna radiation characteristics of the platform can not be ignored.But some radiation problems of antenna mounted on electrically large platform can not be calculated due to the limitation of the physical memory capacity.To solve the above problems,Out-of-Core solving method using hard disk instead of memory is used.In order to accelerate the solving speed,one block Gauss elimination method is presented.The matrices are read and written by blocks concentratively,so the time of the data reading/writing on the hard disk can be greatly reduced.The radiation patterns of a monopole mounted on a metal platform and a vehicular antenna model are calculated respectively.The results show that,the problems of antenna mounted on electrically large platform can be effectively solved by the method proposed in this paper,the solving time is only 5.9% more than the In-Core solving method＇s,and the calculation accuracy is not lost.
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