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Dual-polarization patch antenna array for artificial surface plasmon polariton feed

A plasma and artificial surface technology, applied in the directions of antenna arrays, antennas, antenna grounding devices, etc. that are powered separately, can solve problems such as non-wireless communication, and achieve the effect of simple and novel structure, easy to process and integrate

Pending Publication Date: 2022-04-12
BEIJING JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the circular polarization and dual polarization antennas based on artificial surface plasmons in the prior art are all beam scanning antennas, which are not the first choice for wireless communication applications

Method used

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  • Dual-polarization patch antenna array for artificial surface plasmon polariton feed
  • Dual-polarization patch antenna array for artificial surface plasmon polariton feed
  • Dual-polarization patch antenna array for artificial surface plasmon polariton feed

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Embodiment Construction

[0026] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0027] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof. It will be understoo...

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PUM

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Abstract

The invention provides a dual-polarization microstrip patch antenna array of artificial surface plasmon polariton feed. Comprising a dual-polarized microstrip patch antenna array and two groups of series feed networks based on artificial surface plasmon polaritons, the series feed network based on the artificial surface plasmon polaritons is composed of a linear artificial surface plasmon polariton transmission line located on the lower surface of the dielectric substrate, four segments of V-shaped artificial surface plasmon polariton transmission lines located on the upper surface of the dielectric substrate and metal columns used for connecting the transmission lines on the upper surface and the lower surface of the substrate and integrated in the substrate. A radiation patch of the dual-polarized microstrip patch antenna array is located on the upper surface of a dielectric substrate, and a metal floor is located on the lower surface of the dielectric substrate. According to the invention, a series feed network based on artificial surface plasmon polaritons is used for feeding a dual-polarized microstrip patch antenna array; the single-layer structure is compact in structure and easy to process and implement; the antenna has good impedance bandwidth and stable directional diagram and directional radiation characteristics.

Description

technical field [0001] The invention relates to the technical field of patch antennas, in particular to a dual-polarized microstrip patch antenna array fed by artificial surface plasmons. Background technique [0002] Most traditional transmission line structures have a large transmission loss in the millimeter-wave terahertz frequency band, making it difficult to achieve long-distance transmission. The artificial surface plasmon transmission line structure provides a new research idea for this problem. The artificial surface plasmon transmission line has a simple and compact structure and is easy to process and integrate. By adjusting the geometric structure of its surface, it can be used as an antenna for radiation alone or as a feeder to feed the radiation structure. The types of antennas based on artificial surface plasmons include leaky wave antennas with beam scanning characteristics and high-gain antennas with directional radiation. These antennas place radiation stru...

Claims

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Application Information

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IPC IPC(8): H01Q21/08H01Q1/38H01Q1/48H01Q1/50H01Q15/24
Inventor 李雨键曹迪王均宏
Owner BEIJING JIAOTONG UNIV
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