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Discrete variable optimization of reflector antenna with continuous method

机译:反射法离散变量优化的连续方法

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In practical reflector antenna structures, components of the back-up structure (BUS) are selected form a standard steel library which is normally manufactured. In this case, the design problem of the antenna structure is a discrete optimization problem. In most cases, discrete design is solved by heuristic-based algorithm which will be computing-expensive when the number of deign variable increases. In this paper, a continuous method is used to transfer the discrete optimization problem to a continuous one and gradient-based technique is utilized to solve this problem. The method proposed can achieve a well antenna surface accuracy with all components selected from a standard cross-section list, which is shown by a 9m diameter antenna optimization problem.
机译:在实际的反射器天线结构中,从通常制造的标准钢库中选择备用结构(BUS)的组件。在这种情况下,天线结构的设计问题是离散的优化问题。在大多数情况下,离散设计是通过基于启发式的算法来解决的,当设计变量的数量增加时,该算法将使计算变得昂贵。在本文中,使用一种连续方法将离散优化问题转换为一个连续方法,并使用基于梯度的技术来解决该问题。所提出的方法可以通过从标准横截面列表中选择所有组件来获得良好的天线表面精度,这可以通过直径为9m的天线优化问题来证明。

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