均的微波近场功率使用圆柱形天线阵列聚焦
Mohammad-Ali Damavandi1, Mohammad Khalaj-Amirhosseini2
1Electromagnetic Waves Propagation Laboratory, School of Electrical Engineering, Iran University of Science and Technology, Tehran, 1684613114, Iran. m_damavandi@elec.iust.ac.ir.
Scientific reports
|September 7, 2023
概括
本研究引入了使用电线源和焦点能力 (FA) 参数的微波近场功率聚焦 (NFPF) 的新方法. 这种方法减少了优化时间,并验证了双极天线的聚焦能力.
科学领域:
- 电磁学 电磁学 电磁学 电磁学
- 天线理论天线理论
- 波浪传播 波浪传播
背景情况:
- 微波近场功率聚焦 (NFPF) 对于无线电力传输等应用至关重要.
- 现有的方法往往需要大量的计算资源进行优化.
- 需要准确的分析模型来提高效率和可预测性.
研究的目的:
- 开发和验证使用圆柱形阵列的电线源NFPF的新型分析方法.
- 引入一种定量指标,即对焦能力 (FA),用于评估功率对焦性能.
- 为了减少优化激发信号所需的计算时间.
主要方法:
- 为同质线性介质使用z轴圆柱阵列开发了NFPF的分析模型.
- 焦点能力 (FA) 参数被定义并优化,以指导激发信号设计.
- 用COMSOL和CST全波模拟进行理论验证和与二极管天线阵列进行比较.
主要成果:
- 理论分析和模拟结果证明了拟议的NFPF方法的有效性.
- 来自分析方法的优化激发信号成功实现了双极天线阵列的功率聚焦.
- FA参数有效量化了不同介质和天线配置的聚焦能力.
- 与纯粹基于模拟的方法相比,实现了优化时间的显著减少.
结论:
- 拟议的分析方法为微波近场功率聚焦提供了一种高效准确的方法.
- 焦点能力 (FA) 参数是设计和评估NFPF系统的宝贵工具.
- 该方法提供了一种切实可行的解决方案,用于降低功率聚焦的天线阵列优化中的计算复杂性.
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