The results indicate that a half-wave dipole array has good performance when array element space is also half-wave.

结果表明，对于半波长的偶极子阵列，当阵元间距为半波长时性能达到最佳。

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First this paper introduced the fundamental principle of antenna, such as dipole, fundamental electrical parameter, principle of antenna array, theory of space propagation, etc.

本文首先介绍了对称振子，天线基本电参数，天线阵原理，空间波传播理论等天线基本原理。

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