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Dual notch characteristic ultra-wideband antenna

An ultra-wideband antenna and dual-notch technology, applied in the field of wireless communication, can solve problems such as low availability, and achieve the effects of simple structure, good radiation characteristics and strong anti-interference ability

Pending Publication Date: 2020-12-18
LIAONING TECHNICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Another example is the patent name of a single-notch ultra-wideband antenna with a U-shaped slot structure, and the Chinese patent application number 201921726834.5 proposes an ultra-wideband antenna with a single-notch characteristic. The antenna only has a single-notch low usability

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  • Dual notch characteristic ultra-wideband antenna

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Embodiment Construction

[0027] The specific implementation of the present invention will be described in detail below in conjunction with the accompanying drawings. As a part of this specification, the principles of the present invention will be described through examples. Other aspects, features and advantages of the present invention will become clear through the detailed description. In the referenced drawings, the same reference numerals are used for the same or similar components in different drawings.

[0028] Such as figure 1 -5 shows that the ultra-wideband antenna with double notch characteristics of the present invention includes a dielectric substrate 10, a radiation patch 20, a microstrip feeder 30 and a ground plate 40, and the radiation patch 20 and the microstrip feeder 30 are printed on a medium On the front side of the substrate 10 , the ground plate 40 is printed on the back side of the dielectric substrate 10 .

[0029] Such as figure 2 As shown, the radiation patch 20 adopts a ...

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Abstract

The invention discloses a dual notch characteristic ultra-wideband antenna, which comprises a dielectric substrate, a radiation patch, a microstrip feeder line and a grounding plate, and is characterized in that the radiation patch and the microstrip feeder line are printed on the front surface of the dielectric substrate, and the grounding plate is printed on the back surface of the dielectric substrate; the radiation patch is of a triangular and semi-elliptical combined structure; the microstrip feeder line is connected with the bottom of the radiation patch; and the grounding plate is a semi-elliptical grounding plate. The combination of the radiation patch and the grounding plate broadens the bandwidth of the antenna. According to the invention, stop band is generated by slotting the radiation patch and the grounding plate, interference of different narrowband signals is effectively filtered, and compatible cooperative communication between an ultra-wideband system and other narrowband communication systems is realized. The ultra-wideband omnidirectional antenna has the advantages of simple structure, good radiation characteristic and strong anti-interference capability, and has omnidirectional radiation characteristic in a passband frequency band.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to an ultra-wideband antenna with double notch characteristics. Background technique [0002] Due to the advantages of high transmission rate, low power consumption and high resolution, UWB technology is widely used in the fields of radar remote sensing and military communication. Since the U.S. Federal Communications Commission (FCC) allocated the 3.1-10.6GHz ultra-wideband frequency band to the civil communication field in 2002, the ultra-wideband technology has attracted the attention of the academic and commercial circles. UWB antenna is the core component of the system, and its performance directly affects the transmission quality of the entire system. [0003] Since the frequency band occupied by the UWB system is extremely wide, it contains many narrowband communication systems, such as 3.3-3.6GHz wireless local area network (Worldwide Interoperabi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/36H01Q1/38H01Q1/48H01Q1/50
CPCH01Q1/38H01Q1/48H01Q1/36H01Q1/50
Inventor 李国金秦元龙南敬昌林圣夫
Owner LIAONING TECHNICAL UNIVERSITY
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