快速的近零填充辐射模式,用于多个解决方案的生成
Cibrán López-Álvarez1,2, María Elena López-Martín3, Juan Antonio Rodríguez-González4
1Barcelona Research Center in Multiscale Science and Engineering, Polytechnic University of Catalonia, Campus Diagonal-Besòs, 08019, Barcelona, Spain.
Scientific reports
|February 16, 2024
概括
本研究介绍了一种快速的方法,可以使用等空间线性数组在对称辐射模式中填充准零值. 该技术通过辐射移动多项式根生成多个解决方案,使模式变化和方向性损失的分析成为可能.
科学领域:
- 电磁学和天线理论
- 在电磁学的数值方法.
- 信号处理 信号处理
背景情况:
- 对称的辐射模式在天线设计中至关重要.
- 这些模式中的近零值可能会降低性能.
- 现有的零填充方法可能是复杂的或耗时的.
研究的目的:
- 提出一种改进和快速的方法,用于填充在对称辐射模式中的准零.
- 为了使模式合成的多个潜在解决方案的生成和分析.
- 调查准统一的零填充和导向性损失之间的关系.
主要方法:
- 使用辐射模式的多项式表示.
- 通过将图案多项式的根从单位圆的辐射移除,以恒定移位实现零填充.
- 应用卡达诺-维埃塔关系来将多项式系数与它们的根联系起来.
主要成果:
- 展示了一种快速有效的方法,用于在对称图案中填充准零.
- 为合成的辐射模式生成了多个不同的解决方案.
- 分析了准统一的填充参数与由此产生的导向性损失之间的权衡.
- 使用 20/100 元素的多尔夫-切比舍夫模式验证了该方法.
结论:
- 拟议的方法提供了一种高效的方法来合成具有控制的零特征的对称辐射模式.
- 该技术为生成多重模式解决方案及其对方向性的影响提供了宝贵的见解.
- 这项工作有助于天线阵列合成和优化的进步.
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