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Method and apparatus for suppressing cross polarization on microstrip antenna

A microstrip antenna and cross-polarization technology, which is applied in antennas, antenna arrays, radiating element structures, etc., can solve the problems of cross-polarization increase and achieve the effect of suppressing cross-polarization

Inactive Publication Date: 2009-05-06
SMARTANT TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The increase of antenna radiating elements on the antenna radiating element certainly increases the main polarization (co-polarization), but the influence of its cross-polarization (cross-polarization) also increases

Method used

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  • Method and apparatus for suppressing cross polarization on microstrip antenna
  • Method and apparatus for suppressing cross polarization on microstrip antenna
  • Method and apparatus for suppressing cross polarization on microstrip antenna

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Embodiment Construction

[0052] The characteristics and implementation of the present invention are described in detail below with reference to the accompanying drawings.

[0053] According to the microstrip antenna disclosed in the present invention, including but not limited to the shape, quantity and arrangement position of the microstrip antenna shown in the embodiments, the attached drawings are only for reference and illustration, and are not intended to limit the present invention.

[0054] Please refer to figure 1 , is a flow chart of suppressing cross-polarization on the microstrip antenna of the present invention, including: providing a microstrip antenna for detection, and the microstrip antenna has a plurality of antenna radiation units (step S11). Detecting the cross-polarization strength distribution of the microstrip antenna in a radiation frequency band to obtain the relationship between the area of ​​the antenna radiation unit and the corresponding radiation frequency (step S12). Thi...

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Abstract

The invention relates to a method and a device for restraining cross-polarization on a microstrip antenna. The increasing of the array of the microstrip antenna admittedly enables the co-polarization to increase, but the cross-polarization is increased accordingly. The invention mainly adopts the method that when the microstrip antenna is designed and manufactured, the manufactured microstrip antenna is detected firstly. The strength distribution of the cross-polarization within a radiation frequency wave band is detected firstly, and the radiation frequency in the frequency wave band which can ensure the cross-polarization changes accordingly when an antenna radiation unit is damaged. A slot opening is made on the corresponding antenna radiation unit to damage the symmetry. The invention aims at effectively restraining the cross-polarization under the condition that the co-polarization of the radiation frequency corresponding to the antenna radiation unit is not influenced.

Description

technical field [0001] The present invention relates to a method and device for suppressing cross-polarization on a microstrip antenna, in particular to a method for making slots on a microstrip antenna, destroying its symmetry, and suppressing its cross-polarization and devices. Background technique [0002] With the development of wireless communication technology, various communication products and technologies are constantly being introduced. With the advancement of technology, the volume of products tends to be thinner and shorter. Similarly, the size of the antenna used to receive or transmit signals in communication products is also related to whether the product can be light, thin and short. Among various technologies, the technology of microstrip antenna has become the fastest-growing one in the antenna field. Microstrip antenna has the advantages of small size, light weight, bendable, and can be combined with other components and circuits. [0003] In common mi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/38H01Q13/08H01Q21/00
Inventor 郑智仁
Owner SMARTANT TELECOMM
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