Millimeter wave band ultra wide band patch antenna based on substrate integrated waveguide feed

A waveguide-fed, millimeter-wave band technology, which is applied to antenna arrays, antennas, antenna arrays and other directions that are energized separately, can solve the problems of large loss and narrow frequency band, and achieve the effect of low loss, ultra-wide operating frequency band, and low profile.

Pending Publication Date: 2021-06-11
GUILIN UNIV OF ELECTRONIC TECH
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Problems solved by technology

[0005] The purpose of the present invention is to provide a millimeter-wave band ultra-wideband patch antenna based on substrate integrated waveguide feeding, aiming to solve the narrow frequency band that occurs when the patch antenna in the prior art uses a traditional planar transmission line as a feed in the millimeter-wave band , a technical problem with large losses

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  • Millimeter wave band ultra wide band patch antenna based on substrate integrated waveguide feed
  • Millimeter wave band ultra wide band patch antenna based on substrate integrated waveguide feed
  • Millimeter wave band ultra wide band patch antenna based on substrate integrated waveguide feed

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Embodiment Construction

[0028] 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 designate 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 and are intended to explain the present invention and should not be construed as limiting the present invention.

[0029] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element...

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Abstract

The invention discloses a millimeter wave band ultra wide band patch antenna based on substrate integrated waveguide feed, which is characterized in that an upper layer dielectric substrate and a lower layer dielectric substrate are used as basic carriers, a first metal layer, a second metal layer and a third metal layer are attached, an SIW resonant cavity is formed in the lower layer dielectric substrate, a coupling slot is formed inthe upper surface of the SIW resonant cavity, the lower surface of the SIW resonant cavity is provided with back-to-ground coplanar waveguide feed, and the SIW resonant cavity and the back-to-ground coplanar waveguide are connected through a transition band to complete antenna design. The millimeter wave band ultra wide band patch antenna has the advantages of low profile, easy integration and easy processing, achieves the functions of low loss, high efficiency, high power capacity, relatively high gain and ultra-wide working frequency band, and solves the technical problems of narrow frequency band and large loss when a patch antenna in the prior art adopts a traditional planar transmission line as feed in a millimeter wave band.

Description

technical field [0001] The invention relates to the technical field of antennas, in particular to a millimeter-wave band ultra-wideband patch antenna based on substrate integrated waveguide feeding. Background technique [0002] Substrate integrated waveguide (SIW) is a kind of slow-wave millimeter-wave electronic device, and its electromagnetic wave transmission characteristics are similar to traditional rectangular waveguides. Because the metal surfaces above and below the dielectric substrate can be regarded as the upper and lower waveguide walls of the corresponding traditional rectangular metal waveguide, two rows of metallized through holes constitute the two metal side walls of the rectangular waveguide. When the metal vias are properly spaced, most of the conducted electromagnetic wave energy will be confined to propagate in the medium between the metal vias. The substrate-integrated waveguide planar transmission line not only has the advantages of small loss, large...

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Application Information

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IPC IPC(8): H01Q1/38H01Q1/50H01Q1/36H01Q21/00H01Q21/06H01Q1/48
CPCH01Q1/36H01Q1/38H01Q1/48H01Q1/50H01Q21/0006H01Q21/065
Inventor 姜彦南臧照龙王娇赵海鹏
Owner GUILIN UNIV OF ELECTRONIC TECH
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