Design method of ultra-small dual-circularly-polarized microstrip antenna

A technology of dual circular polarization and microstrip antennas, which is applied in antennas, resonant antennas, leaky waveguide antennas, etc., can solve the problems of narrow frequency band and no optimization method for dual circular polarization microstrip antennas, etc., and achieve the effect of good axial ratio

Inactive Publication Date: 2022-03-08
岱特智能科技(上海)有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0009] 2. The main disadvantages of microstrip antennas are: narrow frequency band, mainly resonant microstrip antennas, and now there a

Method used

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  • Design method of ultra-small dual-circularly-polarized microstrip antenna
  • Design method of ultra-small dual-circularly-polarized microstrip antenna
  • Design method of ultra-small dual-circularly-polarized microstrip antenna

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Embodiment Construction

[0038]Next, the technical solutions in the embodiments of the present invention will be described in connection with the drawings of the embodiments of the present invention, and it is understood that the described embodiments are merely the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art are in the range of the present invention without making creative labor premise.

[0039] In the description of the present invention, it is to be noted that the terms "upper", "lower", "within", "outside" "front end", "backend", "two end", "one end", "other end" The orientation or positional relationship of the indication is based on the orientation or positional relationship shown in the drawings, which is only for ease of describing the invention and simplified description, rather than indicating or implying that the device or element must have a specific orien

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Abstract

The invention discloses a microminiature dual-circularly-polarized microstrip antenna design method, which comprises the steps that an antenna model is created, the antenna model sequentially comprises a patch antenna, an upper-layer medium, an air layer and a lower-layer medium from top to bottom, probe feeding is adopted for the patch antenna through a microstrip line power divider, and a coaxial cable is wrapped in the air layer; according to the method, the established model is optimized, the position of the feeding point of the antenna is optimized, two linear polarization sources with orthogonal polarization are achieved, and therefore the purpose of circular polarization is achieved. And the angle range of the axial ratio lower than 3dB is-48 degrees to 55 degrees, so that a good axial ratio is achieved.

Description

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Claims

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Application Information

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Owner 岱特智能科技(上海)有限公司
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