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Multi-band Broadband Gradient Slot Antenna and Orthogonal Dual Polarization Broadband Gradient Slot Antenna

A gradient slot line, multi-band technology, used in antennas, slot antennas, and devices that make antennas work in different bands at the same time, can solve problems such as narrow frequency bands, system incompatibility, and off-focus, and achieve a widened antenna bandwidth. Effect

Active Publication Date: 2018-08-24
EAST CHINA NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, multi-band multiplexing of antennas often causes problems such as off-focus, interference between frequency bands, and system incompatibility, and the frequency bands of existing multiplexing technologies are often narrow

Method used

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Embodiment Construction

[0032] The present invention will be further described in detail in conjunction with the following specific embodiments and accompanying drawings. The process, conditions, experimental methods, etc. for implementing the present invention, except for the content specifically mentioned below, are common knowledge and common knowledge in this field, and the present invention has no special limitation content.

[0033] Figure 1 to Figure 12 Middle: 1-the first multi-band broadband tapered slot line antenna, 2-the second multi-band broadband tapered slot line antenna, 3-fixing device, 4-the central antenna part of the high frequency band, 5-the peripheral antenna part of the low frequency band, 6-the same Axial connector, 61-high frequency coaxial connector, 62-low frequency coaxial connector, 7-coaxial microstrip conversion structure, 71-high frequency coaxial microstrip conversion structure, 72-low frequency coaxial microstrip Conversion structure, 8-microstrip T-junction, 9-di...

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Abstract

The invention provides a multi-band broadband tapered slot-line antenna. The multi-band broadband tapered slot-line antenna is used for solving the technical problems that the requirements for the high gain and the broadband of an antenna in antenna applications of remote sensing, detection, communication, radar, a testing and simulating system and the like can not be met. According to the multi-band broadband tapered slot-line antenna, a high-band center antenna part of a slot line structure and a low-band periphery antenna part of a dual-slot-line radiation structure form a whole, and therefore the band width of the antenna is increased. The invention further provides an orthorhombic dual-polarization broadband tapered slot-line antenna. The two multi-band broadband tapered slot-line antennas are subjected to orthogonal collocation with the method that grooves are formed in the axes of the dual-slot-line radiation structures, limitation caused by the thickness of a dielectric substrate when a single-slot-line transmission section slot-line antenna is subjected to dual-polarization design is avoided, the influence of the small distance between two polarization single-slot-line transmission sections on the radiation characteristic of the antenna is avoided, and the technical problems that the requirements of the high gain, the broadband and dual polarization of the antenna in antenna applications of remote sensing, detection, communication, radar, the simulation testing system and the like can not be met are solved.

Description

technical field [0001] The invention belongs to the technical field of antennas, in particular to a multi-band broadband tapered slot line antenna and a multi-frequency band orthogonal dual-polarized broadband tapered slot line antenna. Background technique [0002] As the frequency band of the device is continuously developed, the frequency band requirements of the antenna are continuously expanded. In the prior art, antenna multi-band multiplexing often causes problems such as off-focus, interference between frequency bands, and system incompatibility, and the existing multiplexing technology often has narrow frequency bands. For example, in satellite communications, if one antenna can meet the communication problems of more frequency bands, the problems of space occupation and mutual electromagnetic coupling will be greatly simplified, and the research and development cost and difficulty of the entire system will be greatly reduced. Contents of the invention [0003] T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/36H01Q1/38H01Q5/00H01Q13/10
CPCH01Q1/36H01Q1/38H01Q5/00H01Q13/10
Inventor 陈栋朱守正
Owner EAST CHINA NORMAL UNIV
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