闪电电磁脉冲卫星接收天线设计初步探索
Chinese Journal of Radio Science(2003)
Abstract
针对卫星轨道闪电电磁脉冲(LEMP)的信号特征以及接收环境的限制,提出了卫星轨道接收LEMP的天线设计参数,并据此设计了对称振子天线和对数周期振子阵天线.计算出了两种天线的辐射阻抗,输入阻抗,增益曲线,驻波比等参数,还给出了对数周期振子阵天线的各参数曲线.最后对两种天线进行了比较.对称振子的特点结构简单适合于当前应用.对数周期天线的接收性能优于对称振子天线,更适合于专门的电磁脉冲探测试验卫星.
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Key words
antennas,lemp,satellite
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