Dual-polarized wideband flat array antenna feed network

A feeding network and array antenna technology, applied to antennas, antenna arrays, linear waveguide feeding arrays, etc., can solve the problems of dual polarization, wide-band low profile, large profile size, and complex structure, etc., to achieve The effect of compact structure, widened bandwidth, and small size

Inactive Publication Date: 2017-06-20
ANHUI SUN CREATE ELECTRONICS
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Problems solved by technology

Compared with parabolic antennas, flat panel array antennas have the advantages of light weight, high efficiency, and small size, but it is difficult for previous flat panel array antennas to have the characteristics of dual polarizat

Method used

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  • Dual-polarized wideband flat array antenna feed network
  • Dual-polarized wideband flat array antenna feed network
  • Dual-polarized wideband flat array antenna feed network

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Embodiment 1

[0047] For the convenience of further understanding of the present invention, combined here Figure 3-8 , taking the feeding network of an array antenna with four rows and thirty-two columns as an example for further explanation:

[0048] Figure 3-4 It is a three-dimensional structural schematic diagram and a side view of the feed network of an array antenna with four rows and thirty-two columns; it is illustrated in the position placement mode as shown in the figure, and thirty-two columns of polarization separators 10 are arranged along the horizontal direction, that is, the row direction, and along the longitudinal direction. That is, four rows of polarization separators 10 are arranged in the column direction, and the number of polarization separators 10 is 4×32.

[0049] In the initial production, the basic array is first produced according to the above method, specifically: for the vertical polarization unit, firstly, the vertical polarization port 13 is connected to t...

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Abstract

The invention belongs to the technical field of design and manufacture of waveguide antennas, and in particular relates to a dual-polarized broadband flat panel array antenna feeding network. The feed network includes polarization separators, and the polarization separators form a basic array distribution of four rows and four columns; the vertical polarization unit includes a first vertical polarization power splitter, a second vertical polarization power splitter, a third a vertical polarization power divider and a fourth vertical polarization power divider; the horizontal polarization unit includes a first horizontal polarization power divider, a second horizontal polarization power divider, a third horizontal polarization power divider and a fourth horizontal polarization power divider Horizontal polarized power splitter; there is a waveguide arm between the two adjacent first vertical polarized power splitters on the second row and the third row for the two input ports of the fourth horizontal polarized power splitter to pass through The gap; the output port of the fourth horizontal polarization power splitter is located in the reserved area between the third row and the fourth row of polarization splitters. The invention has the advantages of compact structure, wide bandwidth and low profile, and can be used as a feed network for broadband dual-polarization antennas.

Description

technical field [0001] The invention belongs to the technical field of design and manufacture of waveguide antennas, and in particular relates to a dual-polarized broadband flat panel array antenna feeding network. Background technique [0002] The antenna is an important radio equipment in the communication system, and its performance will directly affect the performance of the radio equipment. Compared with parabolic antennas, panel array antennas have the advantages of light weight, high efficiency, and small size, but it is difficult for previous panel array antennas to have the characteristics of dual polarization, broadband and low profile. Traditional panel array antennas either can only achieve dual polarization in a single frequency band, or have a large cross-sectional size, or use a complex microstrip and waveguide hybrid feeding method. With the continuous development and improvement of wireless communication and radar systems, people have gradually discovered t...

Claims

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Application Information

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IPC IPC(8): H01Q15/24H01Q21/00H01Q1/50
CPCH01Q15/24H01Q1/50H01Q21/0037
Inventor 金秀梅胡卫东侯艳茹禹清晨
Owner ANHUI SUN CREATE ELECTRONICS
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