宽带不均透镜具有形辐射模式
Mohammad Mahdi Taskhiri1, Saeed Fakhte2
1Department of Electrical and Computer Engineering, Qom University of Technology, Khodakaram Blvd, Old Qom-Tehran, Road, Qom, 1519-37195, Iran. Taskhiri@qut.ac.ir.
Scientific reports
|August 9, 2023
概括
这项研究引入了一种新的透镜天线,能够同时产生宽侧和形光束. 该天线使用3D打印制造,为Ku频段应用提供高收益和宽带宽.
科学领域:
- 天线工程天线工程
- 电磁学 电磁学 电磁学 电磁学
- 微波技术 微波技术的使用
背景情况:
- 传统的天线往往难以同时实现宽侧和形辐射模式.
- 复杂的天线设计可能昂贵且难以制造.
- 实现高收益的宽带性能仍然是天线设计的一个关键挑战.
研究的目的:
- 介绍一种新的透镜天线设计,用于同时产生宽侧和形光束.
- 使用简单的料结构来有效生成模式.
- 通过模拟和实验制造来验证天线的性能.
主要方法:
- 使用射线插入方法设计一个Ku频段镜头天线.
- 使用圆形补丁环和射频连接器作为双端口输入.
- 使用CST微波工作室进行模拟,并使用PETG材料通过3D打印进行制造.
- 在Ku频段中精确测量PETG电磁特性.
主要成果:
- 镜头天线成功地同时产生宽侧和形光束.
- 由于有效的源匹配,形辐射模式表现出宽带特征.
- 模拟和实验证实了天线在宽频带宽的良好性能.
- 制造的天线显示了高收益和宽带宽.
结论:
- 拟议的透镜天线为生成双辐射模式提供了一个简单而有效的解决方案.
- 使用3D打印和PETG材料提供了一个具有成本效益的制造方法.
- 该天线的高增益和宽带宽使其适用于各种Ku频应用.
相关概念视频
01:16Focusing of Light in the Eye
2.9K
Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
2.9K
01:30Plane Electromagnetic Waves I
3.7K
The existence of combined electric and magnetic fields that propagate through space as electromagnetic (EM) waves is the most significant prediction of Maxwell's equations. As Maxwell's equations hold in free space, the predicted electromagnetic waves do not require a medium for their propagation. An EM wave comprises an electric field, defined as the force per charge on a stationary charge, and a magnetic field, which is the force per charge on a moving charge.
The EM field is assumed...
The EM field is assumed...
3.7K