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Multi-order alternately-nested recursive hollowed ring ultra-wideband antenna

An ultra-wideband antenna, recursive technology, applied in the direction of antenna, antenna grounding switch structure connection, radiating element structure form and other directions, can solve the problems of multipath signals are difficult to receive, short time window, etc., to achieve good omnidirectional radiation characteristics, Good match characteristics, good match effect

Inactive Publication Date: 2015-12-23
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ultra-wideband communication uses nanoscale pulses, and the receiver has the same extremely short time window, so multipath signals are difficult to receive

Method used

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  • Multi-order alternately-nested recursive hollowed ring ultra-wideband antenna
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  • Multi-order alternately-nested recursive hollowed ring ultra-wideband antenna

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Embodiment Construction

[0029] The present invention will be further described below with reference to the embodiments and accompanying drawings.

[0030] refer to figure 1 and 2 , figure 1 The mark 1 in the middle is the good conductor layer on the upper surface, that is, the radiation patch and the microstrip feeder on the upper surface, figure 2 Marked 2 in the middle is the ceramic dielectric substrate, figure 2 Marked 3 in the middle is a good conductor layer on the lower surface, that is, a multi-step stepped floor with a left-right symmetrical width gradient. figure 2 Marked 4 in the middle is SMA connector.

[0031] refer to figure 1 and image 3 , the dielectric constant of the dielectric substrate is 4.4, the outline of the dielectric substrate is a rectangle, the length is 30±0.1mm, the width is 28±0.1mm, and the thickness is 1.6±0.1mm. A rectangular microstrip feeder with a length of 14±0.1mm and a width of 2.5±0.1mm. The side length of the square radiation patch is 14±0.1mm, t...

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Abstract

The invention relates to an ultra-wideband microstrip antenna, in particular a multi-order alternately-nested recursive hollowed ring ultra-wideband antenna. The multi-order alternately-nested recursive hollowed ring ultra-wideband antenna has the advantages of high impedance bandwidth, low return loss, high gain, excellent radiation characteristic, simple structure and easiness in processing, and can be excellently applied to UWB (Ultra-Wide Band) communication systems. A dielectric substrate is provided; a favorable conductor layer is laid on the upper surface and the lower surface of the dielectric substrate respectively; the favorable conductor layer at the upper surface of the dielectric substrate is provided with a radiating patch which is provided with a multi-order alternately-nested recursive hollowed ring and adopts a rectangular microstrip feeder to perform feeding; the basic structure contours of multi-order alternately-nested recursive structures are square and circular; a circular groove is formed at the interior of the square radiating patch so as to form a hollowed ring structure, and next-order square and circular alternately-nested structures are formed sequentially at the interior of the circular groove so as to from recursive hollowed ring structures, and therefore, the multi-order alternately-nested recursive hollowed ring can be formed; and the favorable conductor layer at the lower surface of the dielectric substrate is provided with multi-order ladder-shaped gradient electromagnetic coupling ground plates which are in bilateral symmetry; and the width of the multi-order ladder-shaped gradient electromagnetic coupling ground plates varies gradually.

Description

technical field [0001] The invention relates to an ultra-wideband microstrip antenna, in particular to a multi-order alternately nested recursive hollow loop ultra-wideband antenna. Background technique [0002] With the rapid development of modern communication technology, wireless communication channels have become more severe, and various interferences have come unexpectedly. In order to suppress interference in frequency, frequency hopping technology is often used. However, as the frequency hopping rate becomes larger and larger, the frequency hopping bandwidth becomes wider and wider, and the original ordinary narrowband antenna can no longer meet the requirements of modern communication. At the same time, people's requirements for the capacity, security and transmission speed of wireless communication systems are getting higher and higher, which inevitably leads to the embarrassing situation that the existing narrowband communication technology is gradually unable to ...

Claims

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Application Information

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IPC IPC(8): H01Q1/38H01Q1/36H01Q1/50H01Q13/08
Inventor 游佰强李文卓周建华孙越李杰
Owner XIAMEN UNIV
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