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Updated: Jun 26, 2026

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双向多射线,具有多极化张力元的全息超表面,使用双层异构元素

Xiangjin Ma, Silong Chen, Jiaqi Han

    Optics express
    |November 14, 2024
    PubMed
    概括

    这项研究引入了一种新型的张量全息元表面 (THMS),可以产生多个独立控制的光束,在前向和后向方向上具有不同的极化. 该THMS实现了双向泄漏波辐射,用于先进的天线应用.

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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...