Self-complementary log-periodic tooth-shaped dielectric resonator antenna
By adopting a self-complementary logarithmic toothed dielectric resonator structure in logarithmic periodic antennas and using dielectric resonators as radiators, the problem of conductor loss of metal patch antennas is solved, and a more efficient and smaller antenna design is achieved.
CN119764844AActive Publication Date: 2025-04-04ANHUI UNIV
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Patent Information
- Application Number
- CN202411860263.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2044-12-17
AI Technical Summary
Technical Problem
The existing log-period antennas have conductor losses due to metal patches as radiators, which affect the antenna performance.
Method used
Self-complementary logarithmic periodic toothed dielectric resonator antenna is used, and dielectric resonators are used as radiators to reduce dependence on current transmission on metal surfaces, thereby reducing conductor losses.
Benefits of technology
By reducing conductor losses and surface wave impacts, the efficiency and performance consistency of the antenna are improved, achieving a wider operating frequency band and smaller antenna sizes.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention discloses a self-complementary log-periodic tooth-shaped dielectric resonator antenna, and the antenna comprises a metal ground plane; the first tooth-shaped medium radiator, the second tooth-shaped medium radiator, the first feed probe and the second feed probe are located on the metal ground plane. The antenna also comprises a feed port. Wherein the metal ground plane is provided with a rectangular gap, and the feed port is located in the rectangular gap; the first feed probe is connected with the first tooth-shaped medium radiator, and the second feed probe is connected with the second tooth-shaped medium radiator; the first tooth-shaped medium radiator and the second tooth-shaped medium radiator are arranged in a mirror symmetry mode, are of a space three-dimensional structure and are perpendicular to the metal ground plane. The first tooth-shaped medium radiator and the second tooth-shaped medium radiator are arranged on the substrate, the sizes of the tooth-shaped structures formed by extending the first tooth-shaped medium radiator and the second tooth-shaped medium radiator are changed in a logarithmic periodic mode, the tooth-shaped structures of the two tooth-shaped medium radiators can achieve self complementation, and the antenna can achieve wide bandwidth, stable gain and bidirectional radiation and has certain universality and flexibility.
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