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电磁干扰一直是影响客机正常起飞和降落的关键性问题之一。分析地基天线对大型飞机近场的影响可以作为机场附近天线布局的指导。然而由于计算机存储资源的限制,难以对复杂的电大尺寸目标进行精确仿真。随着计算机软硬件技术的不断发展,计算机集群的大规模并行计算技术使得这一问题得到解决。本文基于并行高阶矩量法,利用国产计算机平台中的10240个CPU核对大型飞机周围电磁环境受地基天线的影响进行了仿真分析,验证了大型飞机近场分布精确计算的可行性。
Electromagnetic interference has always been one of the key issues that affect the normal take-off and landing of passenger aircraft. Analysis of the effect of the foundation antenna on the near-field of a large aircraft can serve as a guide to the antenna layout near the airport. However, due to the limitation of computer storage resources, it is difficult to accurately simulate complex electric large size targets. With the continuous development of computer hardware and software technology, the massively parallel computing technology of computer cluster makes this problem solved. Based on the parallel high-order method of moments, the influence of the electromagnetic environment around the large aircraft on the ground-based antenna is verified by the 10240 CPUs in the domestic computer platform. The feasibility of accurate calculation of the near-field distribution of large aircraft is verified.