CTS slot antenna adopting parabolic cylinder coupled feeding

Abstract

The invention relates to a CTS slot antenna adopting parabolic cylinder coupled feeding. The slot antenna comprises an upper layer radiation layer and a lower layer feed network layer; the radiation layer comprises a parallel-plate waveguide, an upper layer metal parabolic cylinder positioned on the side surface of the parallel-plate waveguide, and a plurality of radiation bodies arranged on the surface of the parallel-plate waveguide; the feed network layer comprise a feed network layer metal plate main body; the feed network layer metal plate main body is provided with feed waveguide; the feed waveguide is connected with a horn antenna; a lower layer metal parabolic cylinder is arranged on the side surface of the feed network layer metal plate main body; and a series of feed coupled slots are formed in the feed network layer metal plate main body. By virtue of the antenna technology, the feed network is simplified, the feed bandwidth is expanded, the outline is relatively low, and the radiation efficiency is relatively high; and the antenna technology has relatively high advantage in the field of millimeter wave, and can be applied to the fields of millimeter wave radar and communication.

Description

technical field [0001] The invention relates to the technical field of millimeter-wave antennas, in particular to a CTS (Continuous Transverse Stub) slot antenna using parabolic cylinder coupling feed. Background technique [0002] With the continuous innovation and breakthrough of microwave new technology and new process, its application is becoming more and more extensive. At the same time, spectrum resources are becoming more and more crowded, and high-frequency resources must be developed. Therefore, the millimeter-wave and terahertz frequency bands have been developed rapidly. Antennas, which are key components of millimeter-wave systems, are facing new challenges and technical difficulties. It mainly reflects the following aspects: [0003] 1. In the millimeter wave frequency band, various losses such as conductor loss and dielectric loss are much larger than those at low frequencies, resulting in a decrease in antenna efficiency. For example, the microstrip antenna ...

AI Technical Summary

Problems solved by technology

The original high-efficiency reflector antenna cannot meet the requirements

[0005] 3. Requirements for broadband antennas. In the millimeter wave frequency band, various applications are broadband systems, which require the antenna to have a relatively high relative bandwidth. However, the narrow bandwidth of the traditional waveguide slot antenna is difficult to meet the requirements, and the structure of the feed network is complex. Difficult to design and process

Images