结果表明，单极天线的长度及导体板的形状及大小在一定程度上影响了单极天线的特性。

Of particular interest, the effect of antenna length and shape of plate on the characteristics of monopole antenna is analyzed and the numerical results are presented.

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设计天线时，在分析了无线传感器网络所需天线特点的基础上，系统最终采用单极天线，并研究了单极天线的性能及优缺点。

Monopole antenna is used after analyzing the features of antenna needed by wireless sensor networks, and then analyzed the performance, advantages and disadvantages.

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