Method and system for calculating resonant resistance of rectangular patch microstrip antenna

A microstrip antenna and rectangular patch technology, which is applied in computing, electrical digital data processing, special data processing applications, etc., can solve the problem of low accuracy of the resonant resistance of the rectangular patch microstrip antenna, shorten the design cycle, intervene Wide range of electric constant and electric thickness, effect of improving matching efficiency

Active Publication Date: 2017-05-31
DALIAN MARITIME UNIVERSITY
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Problems solved by technology

[0003] In view of the defects in the prior art, the purpose of the present invention is to provide a method for calculating the resonant resistance of a rectangular patch microstrip antenna, which overcomes the problem of low a

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  • Method and system for calculating resonant resistance of rectangular patch microstrip antenna
  • Method and system for calculating resonant resistance of rectangular patch microstrip antenna
  • Method and system for calculating resonant resistance of rectangular patch microstrip antenna

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[0039] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the implementation of the present invention. Examples, not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0040] Such as figure 1 As shown, the basic structure of the rectangular patch microstrip antenna is: it includes a dielectric substrate 12, a ground plate 13 placed below the dielectric substrate 12, and a rectangular patch 11 placed above the dielectric substrate 12; The sheet 11 is attached to the dielectric substrate 12. The relevant parameters of the rectangular pa...

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Abstract

The invention discloses a method and system for calculating the resonant resistance of a rectangular patch microstrip antenna. The method includes the steps that the physical dimensions of a rectangular patch and the parameters of a dielectric substrate are determined; the extension length deltaL and the extension width deltaW which are generated after the fringe field effect of the rectangular patch is considered are calculated; the resonant frequency f0 and the quality factor Qt are calculated; simulated analysis is carried out based on the electromagnetic numerical simulation technology to obtain resonant resistance; the resonant resistance of the rectangular patch microstrip antenna is obtained through fitting based on a formula; whether or not the relative error between the resonant resistance obtained through formula calculation and the resonant resistance obtained through simulation is smaller than a set threshold value, and if yes, the corresponding resonant resistance is determined. By means of the method and system, the calculation accuracy is improved, the antenna matching efficiency is improved, the antenna design period is shortened, and the method and system are suitable for a wide dielectric constant and electrical thickness range of the rectangular patch microstrip antenna; besides, the resonant resistance of the rectangular patch microstrip antenna which feeds at an arbitrary position can be effectively judged.

Description

technical field [0001] The invention relates to antenna technology in the field of radio communication, in particular to a method and system for calculating the resonant resistance of a rectangular patch microstrip antenna. Background technique [0002] For radio communication systems, antennas are indispensable, and microstrip antennas are favored by people for their advantages of small size, light weight, low profile, easy integration and low cost. Resonance resistance is one of the important parameters of microstrip antenna. If the resonant resistance analysis is inaccurate, it will affect the matching of the antenna, and then affect other performance parameters of the antenna and the performance of related radio frequency circuits. Therefore, only when the resonant resistance of the microstrip antenna is known accurately can the antenna be effectively designed. The current calculation methods for the resonant resistance of rectangular patch microstrip antennas are not ...

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/367
Inventor 王钟葆佘如茹房少军祝子辉陈弘杨贝
Owner DALIAN MARITIME UNIVERSITY
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