通过使用直角缩放方向和基于梯度的调整,加快了多频段被动微波电路的重新设计
Slawomir Koziel1,2, Anna Pietrenko-Dabrowska3, Ubaid Ullah4
1Engineering Optimization & Modeling Center, Reykjavik University, 102, Reykjavik, Iceland.
Scientific reports
|April 22, 2024
概括
本研究引入了一种用于重新设计微波电路的新方法,使多个操作频段的独立控制成为可能. 这种方法可以有效地调整电路几何结构,用于各种应用,同时保持高性能.
科学领域:
- 电气工程 电气工程
- 计算电磁学 计算机电磁学
- 微波工程 微波工程
背景情况:
- 微波电路的几何缩放对于使被动结构适应新应用和新频段至关重要.
- 传统的数值优化方法面临着远程频率目标的挑战,导致本地搜索失败或全球搜索的高计算成本.
- 以前的并发缩放方法由于同步带修改,仅限于单带结构.
研究的目的:
- 开发一种用于微波电路的几何缩放的新程序,可以独立控制多个操作频段.
- 为了实现高频电路的高效可靠的重新设计,适用于各种应用.
- 为了降低与电路重新设计相关的计算成本.
主要方法:
- 一个自动化决策程序根据它们对单个电路带的影响来确定直角缩放方向.
- 辅助优化子问题用于定义这些缩放方向.
- 解决了最小平方设计重新配置问题,以自动计算缩放范围.
主要成果:
- 这种新的程序证明了两种平面被动装置的广泛运行频率重新设计.
- 性能与传统的基于梯度的调方法相比较好.
- 该方法被证明是计算效率高,易于实施,并且可以与现有的基于梯度的优化技术相集成.
结论:
- 提出的方法有效地允许在几何缩放过程中在多频段微波电路中独立控制中心频率.
- 这种方法为适应微波电路的不同频率要求提供了计算效率高且实用的解决方案.
- 这种技术比以前的方法有了显著的进步,克服了单频段缩放的局限性.
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