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发明名称
虚拟馈电网络的天线阵列近场测量方法
摘要
本发明属于一种虚拟馈电网络的天线阵列近场测量方法。首先设定一个符合天线阵列波束扫描范围要求并满足取样定理的近场测量区域,然后依次对每一个天线辐射单元,在同一个取样位置测量获得近区电磁场矢量数据,其他未被测量的单元连接匹配负载。所有单元测量完成后,依次在每一个取样位置上,对所有天线辐射单元的测量数据按照任意加权规则进行矢量叠加,虚拟出馈电网络,以获得天线阵列在该虚拟馈电网络下的近区电磁场数据,最后再经过严格的近远场数学变换计算出远区场的电特性,分析评估天线阵列的性能指标。
申请公布号
CN103364645A
申请公布日期
2013.10.23
申请号
CN201310297836.8
申请日期
2013.07.17
申请人
中国船舶重工集团公司第七二四研究所
发明人
朱平;常德杰;简玲;袁洪;石磊
分类号
G01R29/10(2006.01)I
主分类号
G01R29/10(2006.01)I
代理机构
代理人
主权项
一种虚拟馈电网络的天线阵列的近场测量方法,其特征为:依次对每一个天线辐射单元,在同一个取样位置测量获得近区电磁场矢量数据,其他未被测量的单元连接匹配负载;所有单元测量完成后,采用虚拟馈电网络方法对数据进行矢量叠加处理,以获得天线阵列在该虚拟馈电网络下的近区电磁场数据。
地址
210003 江苏省南京市中山北路346号
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