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Efficient planar electromagnetic wave polarization converter

An electromagnetic wave and converter technology, applied in the field of electromagnetism, can solve problems such as unfavorable high-power microwave directional emission and space transmission, and achieve the effects of simple production, convenient processing, and good adjustability

Inactive Publication Date: 2020-01-21
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Some modes are not conducive to the directional emission and space transmission of high-power microwaves; therefore, in applications, it is usually necessary to use an electromagnetic wave polarization converter to convert the polarization, and then radiate it out through the antenna

Method used

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  • Efficient planar electromagnetic wave polarization converter
  • Efficient planar electromagnetic wave polarization converter
  • Efficient planar electromagnetic wave polarization converter

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Embodiment Construction

[0023] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be pointed out that the following examples mainly illustrate the advantages of the electromagnetic wave polarization converter. Although only some of the embodiments of the present invention have been described, those skilled in the art should understand that the present invention is not limited by the above embodiments, and can be implemented in many other forms without departing from its gist and scope. All modifications and improvements are within the scope of the claimed invention.

[0024] According to the status of the existing polarization conversion devices, a new type, novel structure and high efficiency planar electromagnetic wave polarization converter is proposed. It includes two parts: substrate and polarization conversion device. In the first part, the substrate adopts F4B dielectric substrate. ...

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Abstract

The invention discloses an efficient planar electromagnetic wave polarization converter. The converter comprises a dielectric substrate, a receiving layer located at one side of the dielectric substrate and an emitting layer located at the other side of the dielectric substrate. The receiving layer comprises a first receiving plate and a second receiving plate which are arranged in parallel; the emitting layer comprises a first emitting plate and a second emitting plate which are arranged in parallel; the dielectric substrate is provided with a first metal via hole and a second metal via hole.The first receiving plate and the first emitting plate are vertically arranged and are connected through the first metal via hole in the dielectric substrate, the second receiving plate and the second emitting plate are vertically arranged and are connected through the second metal via hole in the dielectric substrate, and the receiving layer, the dielectric substrate and the emitting layer are equivalent to an LC resonance unit. The current situation that the overall efficiency of electromagnetic energy collection of an existing polarization converter is generally low is improved, and the polarization conversion efficiency is greatly improved. Moreover, the converter is simple to manufacture and convenient to operate, and has a very good application prospect in practice.

Description

technical field [0001] The invention belongs to the field of electromagnetism and relates to electromagnetic wave polarization conversion and polarization conversion efficiency, in particular to a high-efficiency planar electromagnetic wave polarization converter. Background technique [0002] The polarization state has important applications in communication, navigation and radar detection, so it is very important to realize the control of the polarization state of electromagnetic waves. Due to the characteristics of radio waves, it is determined that the horizontally polarized signal will generate a polarized current on the surface of the earth when it is close to the ground. The polarized current will rapidly attenuate the electric field signal due to the heat generated by the influence of the ground impedance, while the vertical polarization method is not easy. Polarization current is generated, thereby avoiding a large attenuation of energy and ensuring the effective tr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q15/24
CPCH01Q15/242
Inventor 蒋卫祥徐鹏崔铁军
Owner SOUTHEAST UNIV
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