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Alternative gap regular octagon-shaped dual-band electromagnetic metamaterial structure

A technology of electromagnetic metamaterials and regular octagons, applied in the field of electromagnetic metamaterials

Inactive Publication Date: 2016-03-09
XIHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

From the inversion data, it can be seen that the structure can only achieve single-band metamaterial performance in the 2.9GHz-3.4GHz frequency band

Method used

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  • Alternative gap regular octagon-shaped dual-band electromagnetic metamaterial structure
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  • Alternative gap regular octagon-shaped dual-band electromagnetic metamaterial structure

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0016] Such as image 3 As shown, the embodiment of the present invention provides a staggered notch regular octagonal dual-band electromagnetic metamaterial structure comprising: a dielectric substrate 10, and one side of the dielectric substrate 10 is etched with an inner regular octagonal metal sheet 1 and an outer regular octagonal metal sheet 2. The maximum radius of the inner regular octagonal metal sheet 1 is smaller than the minimum radius of the outer regular octagonal metal sheet 2, and the inner and outer regular octagonal metal sheets 1 and 2 have a gap 3 between sides, and the inner and outer regular octagonal sides The notches 3 of the shaped metal sheets 1 and 2 are distributed in a staggered state; a metal strip 4 is horizontally etched on the other side of the dielectric substrate 10 , and the length of the metal strip 4 is the...

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Abstract

The invention discloses an alternative gap regular octagon-shaped dual-band electromagnetic metamaterial structure. The alternative gap regular octagon-shaped dual-band electromagnetic metamaterial structure includes a dielectric substrate; a surface of the dielectric substrate is etched with an internal regular octagon-shaped metal sheet and an external regular octagon-shaped metal sheet, the maximum radius of the internal regular octagon-shaped metal sheet is smaller than the minimum radius of the external regular octagon-shaped metal sheet, each interval side of the internal regular octagon-shaped metal sheet and the external regular octagon-shaped metal sheet is provided with a gap, and the gaps of the internal regular octagon-shaped metal sheet and the external regular octagon-shaped metal sheet are distributed in an alternative manner; and the other surface of the dielectric substrate is etched with a metal strip, and the length of the metal strip is equal to the length of the dielectric substrate. The alternative gap regular octagon-shaped dual-band electromagnetic metamaterial structure can meet applications requiring dual-band performance indexes.

Description

technical field [0001] The invention belongs to the technical field of electromagnetic metamaterials, and in particular relates to an electromagnetic metamaterial structure with staggered gap regular octagonal double-frequency bands. Background technique [0002] Such as figure 1 As shown, the current single-notch octagonal metamaterial structure uses RogersRT / duroid5880 with a dielectric constant of 2.2 as the dielectric substrate, its length and width are 10 mm, and its thickness is 0.7874 mm. The width of each side of the inner and outer octagons etched on the surface of the substrate is 0.6 millimeters, and the distance between the inner and outer octagons is 0.845 millimeters. In addition, from the outer octagon to the inner octagon, the side lengths of each octagon are 4.0 mm, 3.5 mm, 2.8 mm, and 2.3 mm, respectively. At the same time, there is a gap with a width of 0.3 mm on one side of the inner and outer octagons; the structure is simulated in HFSS13, and the NRW ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q15/00
Inventor 李天倩阳小明马波陈洪源杜晓风邱锡强万洪雍明阳田野
Owner XIHUA UNIV
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