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A low-profile broadband dual-mode compressed dipole antenna

A dipole antenna and low-profile technology, which is applied in the field of low-profile broadband dual-mode compressed dipole antennas, can solve problems such as difficult matching, reduced input resistance, and high real part impedance of dipoles, achieving reduced antenna profiles, Effects of input resistance reduction and size reduction

Active Publication Date: 2022-07-08
NANTONG UNIVERSITY
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  • Abstract
  • Description
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  • 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 is significantly reduced, and the excessive impedance of the real part of the dipole in the secondary mode is solved. High, difficult to match technical issues, so as to achieve good impedance matching

Method used

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  • A low-profile broadband dual-mode compressed dipole antenna
  • A low-profile broadband dual-mode compressed dipole antenna
  • A low-profile broadband dual-mode compressed dipole antenna

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Embodiment Construction

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

[0029] like figure 1 As shown, the embodiment of the present invention discloses a low-profile broadband dual-mode compressed dipole antenna, including: a radiating element 1 , a feeding balun 2 and an artificial magnetic conductor 3 . The radiating element 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...

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Abstract

The present invention provides a low-profile broadband dual-mode compressed dipole antenna, comprising: a radiating element, which is composed of a first dielectric substrate and a dipole antenna, and the dipole antenna is printed on the bottom surface of the first dielectric substrate ; The feeding balun is composed of a second dielectric substrate, a first metal ground and an "L"-shaped metal strip, the first metal ground and the "L"-shaped metal strip are respectively printed on the second dielectric substrate and an artificial magnetic conductor on which the radiating element is arranged through the feeding balun. The low-profile broadband dual-mode compressed dipole antenna of the present invention uses a feeding balun for feeding, so that the input resistance is significantly reduced, and the technical problem that the impedance of the real part of the dipole of the secondary mode is too high and difficult to match is solved. , so as to achieve good impedance matching.

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 use. [0003] Dipoles are one of the most widely used antennas in various communication systems. In order to improve the performance of dipole antennas, scholars have done a lot of research on them. 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 factor is defined as K. By choosing the appropriate resonance mode and K value, the compressed dipole can be obtained in a smaller physical size than the traditional Dipole (K=1) higher gain. The basic compres...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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