High-gain ultra-wideband corrugated double-ridge horn antenna with loaded lens

Abstract

The invention provides a high-gain ultra-wideband corrugated double-ridge horn antenna with a loaded lens and belongs to the technical field of microwave antennas. The high-gain ultra-wideband corrugated double-ridge horn antenna is used for solving the problem that the double-ridge horn antenna is low in gain, and a high-frequency directional diagram is disintegrated. The high-gain ultra-wideband corrugated double-ridge horn antenna comprises a coaxial feed connector (1), a rectangular waveguide (2), a corrugated horn (3), a double-ridge waveguide (4) and the dielectric lens (5). The dielectric lens (5) of a hyperbolic structure is arranged at the position of a front port of the corrugated horn (3), the focus of the dielectric lens (5) coincides with the center of an antenna feed, a rear port of the corrugated horn (3) is connected with the rectangular waveguide (2), and the double-ridge waveguide (4) is arranged in the corrugated horn (3). The coaxial feed connector (1) is installed at the upper portion of the rectangular waveguide (2), and plane corrugations are arranged on the surface of the rear portion of the inner side of an upper metal plate (7) and the surface of the rear portion of the inner side of a lower metal plate (7). The high-gain ultra-wideband corrugated double-ridge horn antenna has the advantages that the ultra wide band, the high gain and the stable directional diagram are achieved in the 1-18 GHz area, and the high-gain ultra-wideband corrugated double-ridge horn antenna is suitable for the fields of electromagnetic compatibility tests, reflector antenna feed sources, ultra wide band radars and the like.

Description

technical field [0001] The invention belongs to the technical field of microwave antennas, and relates to a lens-loaded high-gain ultra-broadband corrugated double-ridge horn antenna. While ensuring the basic functions of the antenna, it can also be used as a feed source for other reflector antennas, and can be used in electromagnetic compatibility testing systems and UWB radar and other fields. technical background [0002] With the rapid development of wireless communication technology, the fields involved in antenna technology are becoming more and more extensive. As a research hotspot at home and abroad, ultra-wideband antenna technology has attracted more and more attention from researchers. Ultra-wideband high-power technology has a wide range of applications in the fields of radar, communication and electronic countermeasures. As the front end of the ultra-wideband system, the ultra-wideband double-ridged horn antenna is an important part of it, and is widely used in...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies in the prior art above, and provide a lens-loaded high-gain ultra-wideband corrugated double-ridge horn antenna, which solves the problem of low gain of the double-ridge horn antenna under the premise of ensuring effective ultra-wideband , while eliminating the fission of the main lobe of the radiation pattern when the frequency of the double-ridged horn antenna is above 12GHz

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