Waveguide slot array antenna based on rectangular micro coaxial technology

A technology of waveguide slots and array antennas, which is applied in specific array feeding systems, antenna arrays and antennas that are powered separately, and can solve problems such as high dielectric loss adjacent unit coupling, large antenna size and weight, and difficulty in high-density integration, etc. problem, to achieve the effect of reducing radiation loss, small transmission line loss, and low process difficulty

Pending Publication Date: 2022-03-01
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the millimeter wave band, the metal waveguide slot array antenna is too large in size and weight, making it difficult to achieve high-density integration; the planar waveguide slot array antenna structure has the disadvantages of high dielectric loss, serious coupling between adjacent units, and high decoupling costs.

Method used

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  • Waveguide slot array antenna based on rectangular micro coaxial technology
  • Waveguide slot array antenna based on rectangular micro coaxial technology
  • Waveguide slot array antenna based on rectangular micro coaxial technology

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Embodiment Construction

[0022] Below, the present invention will be further described in conjunction with the accompanying drawings and specific embodiments.

[0023] In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention, and those of ordinary skill in the art Generally speaking, other drawings can also be obtained based on these drawings on the premise of not paying creative work.

[0024] A waveguide slot array antenna based on rectangular micro-coaxial technology, including a metal waveguide slot array antenna and a micro-coaxial transmission line 103, and also includes a coaxial-waveguide conversion transition structure 102 and a Butler matrix; the metal waveguide slot array antenna passes through in turn The coaxial-to-waveguide conversion transition st...

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Abstract

The invention discloses a waveguide slot array antenna based on a rectangular micro coaxial technology, and belongs to the technical field of microwave antennas. Comprising a metal waveguide slot array antenna, a micro coaxial transmission line, a coaxial-waveguide conversion transition structure and a Butler matrix. The metal waveguide slot array antenna is provided with four uniformly arranged slots which are distributed on the upper surface of the micro-coaxial structure and radiate electromagnetic waves to the outer space through the slots. The coaxial-waveguide conversion transition structure is arranged between the metal waveguide slot array antenna and the micro-coaxial transmission line, is in transition matching with the ridge waveguide through the micro-coaxial gradual change structure, and then is in gradual change matching with the waveguide through the ridge waveguide to realize coaxial-waveguide structure conversion. The antenna has the advantages of being compact in structure, high in radiation efficiency, high in isolation, small in feed loss, low in mutual coupling effect and easy to integrate.

Description

technical field [0001] The invention relates to the technical field of microwave antennas, in particular to a waveguide slot array antenna based on rectangular micro-coaxial technology. Background technique [0002] Driven by the demand for informatization development, modern radar communication, high-precision positioning, and satellite navigation communication systems have put forward higher requirements for high-performance radio frequency microsystems. The performance of antennas directly affects the communication quality of the entire system. In the millimeter wave band, the metal waveguide slot array antenna is too large in size and weight, making it difficult for high-density integration; the planar waveguide slot array antenna structure has the disadvantages of high dielectric loss, serious coupling between adjacent units, and high decoupling costs. Contents of the invention [0003] In view of this, the present invention provides a waveguide slot array antenna bas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q21/06H01Q1/00H01Q1/52H01Q21/00
CPCH01Q21/064H01Q1/002H01Q1/521H01Q21/0006
Inventor 周媛魏浩韩威魏恒王亚舟赵琪
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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