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Broadband directional pattern reconfigurable antenna

A technology for reconstructing antennas and patterns, applied in the directions of antennas, radiating element structures, electrical components, etc., can solve the problems of system cost, weight, and volume increase, and achieve the effect of light weight, good directionality, and widened impedance bandwidth.

Inactive Publication Date: 2015-10-21
SOUTH CHINA UNIV OF TECH
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  • Abstract
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  • Claims
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Problems solved by technology

At present, the important direction of wireless communication system development is large capacity, multi-function, and ultra-wideband. In order to meet this demand, the number of antennas mounted on the same platform will increase accordingly, and the increase in the number of antennas will inevitably lead to an increase in system cost, weight, and volume. , but also brings about the problem of electromagnetic compatibility

Method used

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  • Broadband directional pattern reconfigurable antenna

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Embodiment

[0036] Such as Figure 1 to 11 Shown. A reconfigurable broadband pattern antenna of the present invention includes a substrate 5 and a broadband coupling-fed balun. The front surface of the substrate 5 is etched with two parallel and spaced apart main radiating elements of the antenna. The back side is etched with broadband coupling feeding balun; the two parallel and spaced main radiating units are each provided with a pair of "L"-shaped bent dipole radiating units 1A, 1B at the ends; the two parallel and mutually spaced There are slot lines between the dipole arms of the spaced main radiating unit. The specific dimensions of the slot line between the dipole arms of the two parallel and spaced main radiation units are: the length of the slot is 18 mm, and the width of the slot is about 1.5 mm.

[0037] A pair of straight dipole units 8A, 8B are respectively provided at the ends of the two parallel and spaced main radiation units. A "one"-shaped parasitic unit 2A, 2B is respec...

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Abstract

The invention discloses a broadband directional pattern reconfigurable antenna, which comprises a substrate and a broadband coupling feed Balun, wherein the front surface of the substrate is etched with two parallel main radiating elements of the antenna, the two main radiating elements are mutually spaced, the back surface of the substrate is etched with the broadband coupling feed Balun; the two parallel and mutually-spaced main radiating elements are each provided with a pair of ''L''-shaped bending dipole radiating elements at the end parts; and the two parallel and mutually-spaced main radiating elements are each provided with a pair of straight dipole units at the end parts. The broadband directional pattern reconfigurable antenna has the advantages of being small in size, light in weight and simple in structure, having no baffle board and being wide in bandwidth, can achieve E plane and H plane pattern reconfigurability simultaneously, is suitable for fields of military and civilian radar, wireless communication and intelligent weapon guidance and the like.

Description

Technical field [0001] The present invention relates to the technical field of antennas, and in particular to a reconfigurable broadband pattern antenna. Background technique [0002] In recent years, wireless communication technology has developed rapidly. As a component used to transmit or receive radio waves, antennas play a pivotal role in wireless communication systems. At present, the important direction for the development of wireless communication systems is large-capacity, multi-function, and ultra-wideband. In order to meet this demand, the number of antennas on the same platform has increased correspondingly, and the increase in the number of antennas will inevitably lead to an increase in system cost, weight, and volume. , It also brings electromagnetic compatibility issues. In order to overcome this constraint and make the performance of the entire communication system as less restricted as possible by the antenna, reconfigurable antennas have emerged. [0003] The p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q25/00H01Q1/36
Inventor 李融林杨欢孙成煊
Owner SOUTH CHINA UNIV OF TECH
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