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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >Investigation on Resonance and Radiation Properties of Rectangular Microstrip Antennas with Partially Filled Metamaterial Substrates and Superstrates
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Investigation on Resonance and Radiation Properties of Rectangular Microstrip Antennas with Partially Filled Metamaterial Substrates and Superstrates

机译：部分填充超材料基片和上层板的矩形微带天线的谐振和辐射特性研究

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摘要

In this article, the effect on the resonance and radiation characteristics of a rectangular microstrip patch antenna partially loaded with inhomogeneous substrates and superstrates consisting of /(-negative (MNG) and double-negative (DNG) metamaterials are investigated. It is observed that the size of the DNG and MNG material regions of the substrate influences the antenna gain and can be used to tune the resonant frequency as well as the bandwidth. Embedded DNG substrate blocks placed on either side of the radiating edge of the antenna results in increasing the gain to about 10 dBi and in dual-band resonance characteristics. Embedded MNG substrate resulted in gain enhancement to about 9.50 dBi. DNG materials used as superstrates result in dual-band operation with similar gain in both bands, whereas a MNG superstrate leads to improved impedance bandwidth. Moreover, dual-band characteristics can be achieved with almost the same realized peak gain in both bands, by using an optimum proportion of MNG and DNG materials as substrate.
机译：在本文中，研究了矩形微带贴片天线的谐振和辐射特性的影响，该矩形微带贴片天线部分负载了非均质衬底和由/（-负（MNG）和双-负（DNG）超材料组成的上层板。基板的DNG和MNG材料区域的大小会影响天线增益，可用于调谐谐振频率和带宽，将DNG基板块嵌入天线的辐射边缘两侧会增加增益到大约10 dBi的双频带谐振特性；嵌入式MNG基板将增益提高到大约9.50 dBi；用作上层基板的DNG材料导致双频带工作，两个频带的增益相似，而MNG上层基板则可以改善阻抗此外，通过使用最佳的Prop，可以在两个频段内以几乎相同的已实现峰值增益实现双频段特性以MNG和DNG材料为基材。

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