Broadband Monopole Microstrip Antenna

A technology of microstrip antenna and monopole, which is applied in the field of detection or monitoring system, broadband wireless communication, and broadband microstrip monopole antenna. It can solve the problems that cannot be effectively satisfied, and achieve the effect of widening the bandwidth and improving the frequency characteristics

Active Publication Date: 2019-10-11
XIDIAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the constraints of its own design form and frequency characteristics, the existing microstrip antenna structure still cannot effectively meet the requirements of broadband or ultra-wideband applications.

Method used

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  • Broadband Monopole Microstrip Antenna
  • Broadband Monopole Microstrip Antenna
  • Broadband Monopole Microstrip Antenna

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] refer to figure 1 , figure 2 and image 3 , the present invention includes a dielectric substrate 1 , a radiation patch 3 , a high frequency joint 4 and a ground plate 5 . The radiation patch 3 is etched on the front of the dielectric substrate 1, and its shape is an ellipse with the long axis in the vertical direction, the axial ratio of the ellipse is 0.85, and the center is symmetrical, and passes through the center of the microstrip feeder 2 and the high frequency joint 4 The wires are connected, and the front end of the radiation patch 3 is etched with an impedance adjustment segment 6 . The ground plate 5 is etched on the back of the dielectric substrate 1, and the ground plate 5 is composed of upper and lower rectangular metals 51 and 52 perpendicular to each other. At the center positions of the opposite sides of the two rectangular a...

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Abstract

The invention provides a broadband monopole microstrip antenna, and mainly solves the problem that a conventional monopole antenna is narrow in frequency band and complex in three-dimensional structure. The broadband monopole microstrip antenna comprises a dielectric substrate (1), a feed line (2), a radiation patch (3), a high frequency joint (4) and an earth plate (5). The radiation patch (3) isin the shape of an ellipse of which the long axis is in the vertical direction, the front end of the radiation patch is provided with an impedance match adjusting section (6), the earth plate (5) iscomposed of two mutually-perpendicular rectangular metal plates (51, 52), arc-shaped gaps (7) and (8) are respectively carved in the central positions of opposite edges of the two rectangular zones, and the vertical projection of the radiation patch (3) on the bottom of the dielectric substrate is in front of the arc-shaped gap (8) and covers the arc-shaped gap (7). The broadband monopole microstrip antenna can cover S and C wave bands, the working frequency band ranges from 1.62 GHz to 8.28 GHz, and the broadband monopole microstrip antenna can be used as a microwave radiation and reception front-end antenna of a broadband wireless communication, detection or monitoring system.

Description

technical field [0001] The invention belongs to the technical field of antennas, in particular to a broadband microstrip monopole antenna, which can be used as a broadband wireless communication, detection or monitoring system. Background technique [0002] At present, with the development of wireless communication, the increase in the amount of data to be transmitted and the requirement for an increase in data transmission rate are becoming more and more prominent. Wireless communication equipment is constantly developing towards the high-frequency end, and the requirements for broadband are also increasing, making ultra-wideband UWB applications are widely valued in microwave system design. At the same time, since a large number of frequency bands are used for different purposes, the space electromagnetic environment has become very complex, so it has become very necessary to detect and monitor the space electromagnetic environment within a wide frequency range. According...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/38H01Q1/48H01Q1/50H01Q9/40
Inventor 谭康伯张懿路宏敏蓝燕锐官乔张光硕陈冲冲
Owner XIDIAN UNIV
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