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Updated: Jul 11, 2026

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无电张器全息元面表面泄漏波多束天线,具有可定制的增益和极化

Chuan-Kuei Weng1, Yu-Zhan Tsai1, Artem Vilenskiy2

  • 1Institute of Communications Engineering, National Yang Ming Chiao Tung University, Hsinchu 300093, Taiwan.

Sensors (Basel, Switzerland)
|April 27, 2024
PubMed
概括

这项研究介绍了一种新的平面全息漏电波多束超表面天线. 它可以在没有复杂的方法的情况下同时使用相同频率的单独控制的光束,简化了多目标应用.

关键词:
全息天线全息天线有漏电波的天线metasurfaces 是一个地表.毫米波天线 毫米波天线多重光束是多个光束.

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Polar Coordinates: Problem Solving01:27

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Directional radiation patterns are central to antenna analysis, as they illustrate how signal strength varies with direction. These patterns are often modeled using polar plots, where the radial distance from the origin represents signal intensity at a given angle. A commonly used idealized form is the four-lobed rose curve, which captures the concept of directional beams in a simplified mathematical form.The four-lobed rose curve, described by r = cos⁡(2θ), features four symmetric lobes, each...