Ultra-wideband high-gain beam up-tilt omnidirectional antenna

An omnidirectional antenna and high-gain technology, applied in antennas, resonant antennas, antenna arrays, etc., can solve problems such as difficulty in meeting broadband and multi-band requirements, and achieve the effect of clear principles, novel ideas, and improved efficiency

Pending Publication Date: 2018-02-23
TONGYU COMM INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Obviously, the conventional coaxial array of oscillators is difficult to meet the above broadband and multi-band requirements, and it is necessary to find another way to expand the bandwidth

Method used

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  • Ultra-wideband high-gain beam up-tilt omnidirectional antenna

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Embodiment Construction

[0043] Here, the present invention will be discussed with emphasis on the four main features of ultra-wideband, high gain, omnidirectionality, beam uplift and shaping, and the present invention will be described in detail with corresponding drawings. It should be noted that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not used to limit or limit the present invention. Provide preferred embodiments of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.

[0044] The present invention aims to design an ultra-wideband (BW ≥ 20%), high gain (G ≥ 6dBi), horizontal omnidirectional, beam upward, upper zero filling, high power, high efficiency, light weight for the UAV ground control station. A vertically polarized antenna that is small, portable, simple in structure, economical and durable, and provides an effective reference method for t...

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Abstract

The invention discloses an ultra-wideband high-gain beam up-tilt omnidirectional antenna, comprising a first wideband sub-array and a second wideband sub-array which are coaxially arranged on the samedielectric substrate, wherein array elements of the two sub-arrays are different, the minimum array element number is 1, the array elements are U-shaped symmetric oscillators, the dielectric substrate is further provided with feeding lead wires, oscillators of the first wideband sub-array and the second wideband sub-array are connected with feeding cables by means of the feeding lead wires, the characteristic impedance of the feeding cable connected with the first wideband sub-array is Z01, the characteristic impedance of the feeding cable connected with the second wideband sub-array is Z02,the input impedance of the first wideband sub-array Zin1 equals the characteristic impedance of the feeding cable connected with the same, and the input impedance of the second wideband sub-array Zin2equals the characteristic impedance of the feeding cable connected with the same, that is, Z01=Zin1, and Z02=Zin2. The ultra-wideband high-gain beam up-tilt omnidirectional antenna disclosed by the invention has the advantages of having ultra wideband, high gain, high power, high efficiency and simple structure, and being horizontally omnidirectional, beam up-tilt, light and portable, and economical and durable.

Description

【Technical field】 [0001] The present invention relates to an omnidirectional antenna device and technology, in particular to a miniaturized ultra-broadband high-gain beam-up omnidirectional antenna suitable for a UAV ground control station and its technology. 【Background technique】 [0002] With the development of the aviation industry and information technology, human beings have entered the era of drones. UAVs are suitable for performing various tasks, and have the advantages of high cost performance, and have broad application prospects in both military and civilian fields. For military use, UAVs are used for map surveying, intelligence reconnaissance, battlefield surveillance, enemy attacks, relay communications, etc.; for civilian use, UAVs are used for aerial photography, logistics express and scientific exploration. At present, China is leading the world in the field of drones. Typically, drones rely on radio remote control from a ground station to perform various t...

Claims

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Application Information

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IPC IPC(8): H01Q1/38H01Q1/50H01Q9/28H01Q21/00H01Q21/08H01Q3/00
CPCH01Q1/38H01Q1/50H01Q3/00H01Q9/285H01Q21/0006H01Q21/08
Inventor 李道铁吴中林刘木林
Owner TONGYU COMM INC
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