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Octagonal-ring plane bipolarized broadband phased-array antenna based on strong mutual coupling effects

A broadband phased array and octagonal ring technology, which is applied to antenna unit combinations with different polarization directions, antennas, and radiating element structures, can solve the problem that the ultra-wideband balanced bridge is large in size and difficult to meet the requirements of dipole phased arrays. Antenna miniaturization design requirements and other issues

Active Publication Date: 2014-12-10
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But a fatal shortcoming of this scheme is that the ultra-wideband balanced bridge is very bulky, so it is difficult to meet the miniaturization design requirements of this closely arranged dipole phased array antenna

Method used

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  • Octagonal-ring plane bipolarized broadband phased-array antenna based on strong mutual coupling effects
  • Octagonal-ring plane bipolarized broadband phased-array antenna based on strong mutual coupling effects
  • Octagonal-ring plane bipolarized broadband phased-array antenna based on strong mutual coupling effects

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: 1×16 single-polarized broadband phased array antenna based on strong mutual coupling effect

[0020] refer to figure 1 and figure 2 , Embodiment 1 is composed of two layers of periodic structures printed with octagonal ring units. Referring to the nomenclature of Yagi antennas, the present invention refers to the lower periodic structure whose ends of the units are connected through interdigitated capacitors as the radiation unit layer 102, and will be located in the antenna structure The octagonal ring units that are not connected to each other at the top are called the directing unit layer 101 , and the strong mutual coupling broadband phased array with this structural feature is called the octagonal ring broadband phased array antenna 100 based on strong capacitive coupling. The space between the radiating unit layer 102 and the guiding unit layer 101 is completely filled with polystyrene foam 107 , and the space between the radiating unit layer and the ...

Embodiment 2

[0023] Embodiment 2: 24×24 dual-polarization planar broadband phased array antenna based on strong mutual coupling effect

[0024] Specifically, when the two feed ports of each periodic unit are fed simultaneously and extended along the two-dimensional direction of the array, the Figure 9 The 24×24 dual-polarized planar broadband phased array antenna in . Other structures and elements are the same as those described in Embodiment 1 in detail.

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Abstract

The invention discloses an octagonal-ring plane bipolarized broadband phased-array antenna based on strong mutual coupling effects. The antenna comprises a radiation unit layer which is printed on a super-thin medium layer and a guide unit layer; and the radiation unit layer and the guide unit layer are composed of octagonal ring units which are periodically arrayed. The tail ends of the octagonal ring units in the radiation unit layer respectively extend to the tail ends of the adjacent octagonal ring units to form an interdigital capacitor which is capable of enhancing a capacitance coupling amount between the units. The octagonal-ring antenna unit provided by the invention is particularly suitable for the design of a super-broadband bipolarized plane phased-array antenna.

Description

technical field [0001] The invention belongs to the field of wireless communication, and particularly relates to an ultra-wide bandwidth angular scanning phased array antenna system. Background technique [0002] Antenna systems are devices that transmit and receive electromagnetic energy, and are widely used in satellite communications, long-distance broadcasting, and military communications systems. The phased array antenna is a well-known antenna form in the field of antenna research. A phased array antenna usually includes many antenna units with controllable amplitude and phase, and its radiation pattern is usually determined by the radiation characteristics of a single antenna unit, the arrangement of the antenna units, and the excitation amplitude and phase distribution of the antenna units. Typical phased array antenna elements usually include dipole antennas, slotted elements, and other antenna elements with directional radiation characteristics. The most notewort...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/36H01Q1/38H01Q19/10H01Q21/24
Inventor 杨仕文陈益凯龚雪熊伟郑丽罗伟李冰聂在平
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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