Compact dual-band array antenna

By stacking the parasitic radiation metal patch dielectric layer, low dielectric layer and oscillator array antenna unit in the antenna, and connecting it through fasteners, the problem of pattern distortion of existing broadband antennas within the standing wave bandwidth is solved, and excellent standing wave performance and pattern stability in the dual-band band are achieved, and the structural reliability is improved.

CN119726095APending Publication Date: 2025-03-28SHANGHAI SPACEFLIGHT ELECTRONICS & COMM EQUIP RES INST
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Patent Information

Application Number
CN202510033582.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

Existing broadband antennas have problems with the directional pattern distortion of individual frequency bands within the standing wave bandwidth, and their structure is poor, making it difficult to meet the needs of high structural reliability and dual-band antennas.

Method used

The parasitic radiation metal patch dielectric layer, a low dielectric layer and a vibrator array antenna unit are stacked in sequence from top to bottom. The fastener passes through the top layer of the parasitic radiation metal patch dielectric layer and the intermediate low dielectric layer through the fastener, and is fastened on the bottom layer of the vibrator array antenna unit to form a compact overall structure.

Benefits of technology

It achieves the effect of excellent standing wave performance in the dual-band band and no distortion in the directional pattern, while improving the high reliability of the structure.

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Abstract

The invention discloses a compact dual-band array antenna, which relates to the field of array antennas, works in dual bands, and comprises a parasitic radiation metal patch dielectric layer, a low dielectric constant dielectric layer and an oscillator array antenna unit which are sequentially stacked from top to bottom, a fastener penetrates through the top parasitic radiation metal patch dielectric layer and the middle low dielectric constant dielectric layer and is fastened on the bottom oscillator array antenna unit to form a compact integral structure, and the compact dual-band array antenna provided by the invention ensures that a directional diagram does not distort while the array antenna works at excellent dual-band standing wave performance.
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