Programmable plasma dielectric antenna

Abstract

The present invention discloses a programmable plasma dielectric antenna. The antenna comprises a patch antenna and a dielectric resonator. The dielectric resonator comprises at least two layers of solid-state FR-4 dielectrics, wherein the solid-state FR-4 dielectrics are arranged in an up-and-down manner; and multiple gas-state plasma column dielectrics. An upper layer FR-4 dielectric is provided with at least two upper layer FR-4 dielectric perforations, a lower layer FR-4 dielectric is provided with at least two lower layer FR-4 dielectric perforations, the plasma column dielectrics are embedded in the upper layer FR-4 dielectric perforations and the lower layer FR-4 dielectric perforations, and each of the upper layer plasma column dielectrics and lower layer plasma column dielectrics is connected with an excitation power supply via control lines separately. By using a double terminal excitation mode controlled by an independent power supply, excitation states of every plasma column dielectric are controlled; voltages of every excitation power supply are changed to control plasma frequency of the plasma column dielectrics, so that the reconstruction of the working state and frequency of the programmable plasma dielectric antenna is realized. The programmable plasma dielectric antenna has the advantages of simple structure, easiness for mass production, adjustable frequency and unlimited working bandwidth.

Description

technical field [0001] The invention relates to the technical field of radio microwave devices, and relates to a programmable control reconfigurable antenna, in particular to a programmable plasma medium antenna. Background technique [0002] With the rapid development of wireless communication, satellite communication and navigation, radar system and military electronic countermeasure equipment, higher requirements are put forward for the miniaturization, broadband, circular dual polarization and low loss performance of the antenna. Compared with ordinary antennas, dielectric resonant antennas have high radiation efficiency, diverse feeding methods, miniaturization in the high frequency band, simple processing, low cost, and good performance such as easy integration design, and are receiving more and more attention. Research and application, since the low-loss ceramic dielectric was successfully developed in the late 1960s, the dielectric resonator has the advantages of sma...

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Problems solved by technology

At the same time, in order to ensure the quality of communication, it is necessary to solve the congestion of existing frequency band resources and the interference between antennas

[0003] However, the dielectric antenna has the following disadvantages: first, its Q value will increase with the increase of the material permittivity, which will reduce the bandwidth of the antenna, so the dielectric resonant antenna will limit its operating bandwidth; secondly, due to the dielectric The size of the antenna is small, so it requires high processing technology and is not easy to tune. The dielectric constant of the material is relatively high, so the price is relatively expensive

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