Low-profile broadband dual-mode compression dipole antenna

A technology of dipole antenna and low profile, which is applied in the field of low profile broadband dual-mode compressed dipole antenna, can solve the problems of high impedance of the real part of the dipole, difficult to match, and reduced input resistance, and achieves reduced size, The effect of reducing the antenna profile and reducing the input resistance

Active Publication Date: 2020-07-03
NANTONG UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the above problems, the present invention provides a low-profile broadband dual-mode compressed dipole antenna, which uses a feed balun for feeding, so that the input resistance

Method used

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  • Low-profile broadband dual-mode compression dipole antenna
  • Low-profile broadband dual-mode compression dipole antenna
  • Low-profile broadband dual-mode compression dipole antenna

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

[0029] Such as figure 1 As shown, the embodiment of the present invention discloses a low-profile broadband dual-mode compressed dipole antenna, including: a radiation unit 1 , a feeding balun 2 and an artificial magnetic conductor 3 . The radiation unit 1 is arranged on the artificial magnetic conductor 3 through the feeding balun 2 .

[0030] The radiation unit 1 is composed of a first dielectric substrate 11 and a dipole antenna 12 , and the dipole antenna 12 is printed on...

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Abstract

The invention provides a low-profile broadband dual-mode compression dipole antenna, which comprises a radiation unit composed of a first dielectric substrate and a dipole antenna, wherein the dipoleantenna is printed on the bottom surface of the first dielectric substrate; a feed balun which is composed of a second dielectric substrate, a first metal ground and an L-shaped metal strip, wherein the first metal ground and the L-shaped metal strip are printed on the two opposite faces of the second dielectric substrate respectively; and an artificial magnetic conductor, wherein the radiation unit is arranged on the artificial magnetic conductor through the feed balun. According to the low-profile broadband dual-mode compression dipole antenna, the feed Balun is used for feeding, so that theinput resistance is obviously reduced, the technical problems that the real part impedance of a dipole of a secondary mode is too high and is difficult to match are solved, and good impedance matching is realized.

Description

technical field [0001] The invention relates to the technical field of dipole antennas, in particular to a low-profile broadband dual-mode compressed dipole antenna. Background technique [0002] The antenna is an important part of the transceiver system. It mainly carries the function of transmitting and receiving electromagnetic wave signals, and plays an important role in military or civilian applications. [0003] Dipoles are one of the most widely used antennas in various communication systems. In order to improve the performance of the dipole antenna, many scholars have done a lot of research on it. Recently, some scholars proposed a compressed dipole antenna. When the dipole is printed on the dielectric substrate, its length is compressed, and the corresponding compression coefficient is defined as K. By selecting the appropriate resonance mode and K value, the compressed dipole can be obtained in a smaller physical size than the traditional Dipole (K=1) for higher...

Claims

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Application Information

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IPC IPC(8): H01Q1/38H01Q1/48H01Q1/50H01Q5/10H01Q5/307H01Q15/14
CPCH01Q1/38H01Q1/50H01Q1/48H01Q5/10H01Q5/307H01Q15/14
Inventor 杨汶汶丁鑫浩陈建新
Owner NANTONG UNIVERSITY
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