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Electromagnetic wave reflecting method for plasma sheet

A plasma sheet, plasma technology, applied in the field of plasma, to achieve the effect of convenience and flexibility, saving a lot of needs and waste

Inactive Publication Date: 2015-11-25
青岛光惠乾盛信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of plasma to reflect electromagnetic waves has not been specifically reported before

Method used

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  • Electromagnetic wave reflecting method for plasma sheet
  • Electromagnetic wave reflecting method for plasma sheet

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Embodiment Construction

[0009] The present invention will be described in detail below in conjunction with the accompanying drawings and specific implementation examples.

[0010] In order to achieve the purpose of reflecting electromagnetic waves with a plasma sheet, the present invention proposes an electromagnetic wave reflecting device. The cathode 2 and the anode 1 of the electron beam source are respectively placed at the two ends of the vacuum chamber 3, and the cathode 2 for generating plasma adopts a wire The anode 1 adopts the shape of a flat plate. Under the appropriate pressure and working gas conditions, a certain high voltage is applied to the electrode to generate a linear electron beam. The high voltage excites the gas discharge between the cathode and the anode surface. In addition, a magnetic field generating device 4 is added outside the vacuum chamber to generate an axial magnetic field, and the axial magnetic field causes electrons to whirl to generate secondary ionization to form...

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Abstract

The invention relates to an electromagnetic wave reflecting method for a plasma sheet. The method is characterized in that a traditional solid metal surface is not used as size limitation when electromagnetic wave is reflected, so that incidence of the electromagnetic wave and time and space of a plasma surface can be controlled. The plasma sheet is produced by using plasma technology, and is used as a reflecting surface of electromagnetic wave to reflect the electromagnetic wave. The plasma density is adjusted by adjusting the voltage of an external exciting power supply, to meet the reflecting requirement of electromagnetic wave with different frequency; the density of the plasma sheet is adjusted through axial magnetic field intensity provided by the outside, to form a planar plasma sheet; and by using the non-solid plasma surface as an electromagnetic wave reflecting surface, the electromagnetic wave with different frequency can be flexibly reflected.

Description

technical field [0001] The invention relates to the fields of plasma and radio, in particular to an electromagnetic wave reflection method. Background technique [0002] The traditional reflective radio wave materials are all made of metal, and the electromagnetic wave reflectors made of metal materials are characterized in that once the product is made, the reflective characteristics cannot be changed. The reflection frequency is fixed, so when the reflection frequency band needs to be changed, the metal reflector must be replaced accordingly. The use of plasma to reflect electromagnetic waves has not been specifically reported before. Contents of the invention [0003] The purpose of the present invention is, in order to overcome traditionally can only utilize the metal body of solid shape to make electromagnetic wave reflecting surface, and once the metal surface is confirmed; [0004] In order to achieve the above-mentioned purpose of the invention, the present inven...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q15/14H01Q19/10
Inventor 端木刚侯印鸣鉴福生曾海生孙海龙霍文清莫凡
Owner 青岛光惠乾盛信息技术有限公司