基于遗传算法的部分接地分形微带贴片天线优化设计
An Optimization of Fractal Microstrip Patch Antenna with Partial Ground using Genetic Algorithm Method
摘要：
在联邦通信委员会宣布用于超宽带应用的7.5GHz（从3.1GHz到10.6GHz）的带宽之后，超宽带作为高数据率无线技术正日益发展。此外，设计UWB天线比设计窄带天线面临更多的困难。一个合适的UWB天线应该能够工作在联邦通信委员会的超宽带宽分配。此外，需要在整个频谱上具有良好的辐射特性。采用遗传算法对3.5 GHz和6 GHz的部分接地分形方形微带贴片天线进行了优化设计。优化后的天线设计与未优化的设计相比，显示出改进的结果。该设计采用遗传算法进行了优化，并利用CST仿真软件进行了仿真。通过切割面片的边缘和中心来减小优化设计的尺寸。给出了优化结果，主要集中在微波损耗、驻波比和增益上。结果表明显著增强，如表II所示。因此，优化后的设计适用于S波段和C波段应用。
英文摘要：
Ultra-wideband is increasingly advancing as a high data rate wireless technology after the Federal Communication Commission announced the bandwidth of 7.5 GHz (from 3.1 GHz to 10.6 GHz) for ultra-wideband applications. Furthermore, designing a UWB antenna faces more difficulties than designing a narrow band antenna. A suitable UWB antenna should be able to work over the Federal Communication Commission of ultra-wide bandwidth allocation. Furthermore, good radiation properties across the entire frequency spectrum are needed. This paper outlines an optimization of fractal square microstrip patch antenna with the partial ground using a genetic algorithm at 3.5 GHz and 6 GHz. The optimized antenna design shows improved results compared to the non-optimized design. This design is optimized using a genetic algorithm and simulated using CST simulation software. The size of the optimized design is reduced by cutting the edges and the center of the patch. The optimized results reported, and concentrated on the rerun loss, VSWR and gain. The results indicate a significant enhancement as is illustrated in Table II. Thus, the optimized design is suitable for S-band and C-band applications.
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