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Surface wave excitation device

An excitation device, surface wave technology, applied in the field of communication, can solve the problem of low coupling efficiency

Active Publication Date: 2019-05-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the antenna has a simple structure and low cost, the coupling efficiency is not high, and there is a lot of radiation loss in the process of signal transmission.

Method used

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Embodiment Construction

[0045] An embodiment of the present application provides a surface wave excitation device, which is used to improve the propagation efficiency of a surface wave.

[0046] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of this application and the above drawings are used to distinguish similar objects and not necessarily Describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent...

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Abstract

The embodiment of the application discloses a surface wave excitation device. The surface wave excitation device in the embodiment of the application includes a metal waveguide, a coupling part, a feeding part and a transmission line. The metal waveguide sleeves the transmission line. The coupling part is arranged inside the metal waveguide. The metal waveguide and the transmission line are coaxial. The feeding part is connected with the coupling part. The coupling part is arranged in parallel with the transmission line. A gap is formed between the coupling part and the conductor of the transmission line. Electromagnetic waves are propagated from the feeding part to the coupling part and coupled through the coupling part to the surface of the transmission line, so as to transmit surface waves. The surface wave excitation device in the embodiment of the application is used to reduce the radiation loss of surface waves.

Description

technical field [0001] The present application relates to the communication field, in particular to a surface wave excitation device. Background technique [0002] With the development of the field of wireless communication, antennas can be used for long-distance transmission of radio frequency electromagnetic energy. For example, the transmission of signals from the transmitter to the transmitting antenna or from the receiving antenna to the receiver is completed by transmission lines. The transmission lines include waveguides and Twin-axis, etc., among them, use waveguide or coaxial line transmission, very bulky and expensive, and use surface wave to carry out transmission on single-conductor transmission line will overcome these shortcomings, single-conductor transmission line has simple structure, cheap manufacturing cost, light weight and Small attenuation and other advantages. [0003] Currently, as a key component in surface wave wireless communication systems, the p...

Claims

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Application Information

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IPC IPC(8): H01Q1/50
CPCH01P3/06H01Q1/50
Inventor 张关喜兰江宏赵建平王强
Owner HUAWEI TECH CO LTD
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