Dual circularly polarized oscillator unit and two-dimensional active phased-array antenna

A dual-circular polarization and oscillator technology, applied in the directions of antenna arrays, antennas, and antenna grounding devices that are individually energized, can solve the problems of low radar power and low power capacity, and achieve enhanced radar power, high power capacity, and structural design. Compact and simple effect

Active Publication Date: 2020-04-28
BEIJING INST OF RADIO MEASUREMENT
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AI Technical Summary

Problems solved by technology

At present, the main form of the dual circularly polarized oscillator unit is: the oscillator arm composed of microstrip lines, the feed rod and the circular polarizer form. This form of the dual circularly polarized oscillator unit has low power capacity and low radar power.

Method used

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  • Dual circularly polarized oscillator unit and two-dimensional active phased-array antenna
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  • Dual circularly polarized oscillator unit and two-dimensional active phased-array antenna

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Embodiment Construction

[0024] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0025] Such as figure 1 , 2 As shown, a dual circularly polarized oscillator unit provided by the embodiment of the present invention includes two oscillators with orthogonal polarization and a dual circular polarizer 2. The oscillator includes two feed rods 3 and two oscillator arms 4. One end of the outer conductors of the two feed rods 3 is respectively connected to a vibrator arm 4, and the other ends of the outer conductors of the two feed rods 3 are respectively connected to the shell of the double circular polarizer; The feed rods 3 are arranged in parallel and the two vibrator arms 4 thereon are connected by a feed line 8, and the inner conductor 6 of one of the two vibrators passes through the housing, and...

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Abstract

The invention relates to a dual circularly polarized oscillator unit and a two-dimensional active phased-array antenna. The oscillator unit comprises two oscillators with orthogonal polarization and adual-circular polarizer, wherein each oscillator comprises two feed rods and two oscillator arms, one end of an outer conductor of each of the two feed rods is connected with one oscillator arm, andthe other end of the outer conductor of each of the two feed rods is connected with a shell of the dual-circular polarizer; the two feed rods are arranged in parallel, two oscillator arms on the two feed rods are connected through a feed line, and an inner conductor of the feed rod of one of the two oscillators penetrates through the shell and is connected with a double-layer metal strip line in the shell; and the double-layer metal strip line is also connected with an N-type coaxial connector and is used as an input end of the double-circular polarizer. The oscillator unit is compact and simple in structural design, integrally adopts a metal plate wire structure, and has the characteristics of high bearable power capacity and high radar power.

Description

technical field [0001] The invention relates to the field of antennas, in particular to a dual circularly polarized vibrator unit and a two-dimensional active phased array antenna. Background technique [0002] The vibrator unit is an important component of the low-frequency array antenna, and it is a device used to radiate microwave signals into the air or receive microwave signals in the air. In the radar system, the dual circularly polarized oscillator units are arranged in a certain way to form an array, which can enable the radar to obtain more target information. At present, the main form of the dual circularly polarized oscillator unit is: the oscillator arm composed of microstrip lines, the feed rod and the circular polarizer form. This form of the dual circularly polarized oscillator unit has low power capacity and low radar power. Contents of the invention [0003] In view of the above technical problems, the present invention provides a dual circularly polarize...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/36H01Q1/48H01Q1/50H01Q15/24H01Q21/06
CPCH01Q1/36H01Q1/48H01Q1/50H01Q15/24H01Q21/06
Inventor 孙文玲周恩戴非
Owner BEIJING INST OF RADIO MEASUREMENT
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