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首页> 外文期刊>Microwaves, Antennas & Propagation, IET >Hybrid method of moments – induced EMF method for analysing multi-element planar inverted F antenna arrays
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Hybrid method of moments – induced EMF method for analysing multi-element planar inverted F antenna arrays

机译：矩量混合方法-感应电动势方法，用于分析多元件平面倒F天线阵列

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摘要

Multi-element planar inverted F antenna (PIFA) phase array characteristics are investigated, using a hybrid method of moments (MoM) – induced electro-motive force (EMF) method. First the MoM is used to study the dependence of mutual impedance between two array elements with respect to the distance between them. Then a general rule on the relationship between mutual impedance and distance is developed. Using this relation the induced EMF method is then employed in order to obtain the characteristics of a phased array with PIFA elements independently of the number of elements and the geometry of the array. Simulation results are presented in 1.8 GHz frequency bands and the accuracy of the proposed method is found satisfactory, while all the advantages of simplicity of the induced EMF method are exploited. Phased arrays are used in smart antennas which can also be adaptive, the proposed method can be used for real time calculation of the excitation coefficients in comparison with the calculation from a time consuming simulation program that is not realistic.
机译：使用矩量混合法（MoM）–感应电动势（EMF）方法研究了多元素平面倒F天线（PIFA）相阵列特性。首先，MoM用于研究两个阵列元素之间的互阻抗对它们之间距离的依赖性。然后建立了互阻抗与距离之间关系的一般规则。然后使用这种关系，采用感应电动势方法，以获得具有PIFA元素的相控阵的特性，而与PIFA元素的数量和阵列的几何形状无关。在1.8 GHz频带上给出了仿真结果，发现该方法的准确性令人满意，同时充分利用了感应电动势方法的所有优点。相控阵用于智能天线中，该天线也可以是自适应的，与不现实的耗时仿真程序的计算相比，该方法可用于励磁系数的实时计算。

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