Dual-frequency dual-circular polarization navigation measurement and control antenna feed

A dual circular polarization, antenna feed technology, applied in the direction of the antenna, loop antenna, antenna grounding switch structure connection, etc., can solve the problems of high cost, increased space, personnel requirements, large footprint, etc.

Active Publication Date: 2019-09-27
BEIJING DASHUN WILL TECH
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  • Abstract
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Problems solved by technology

Traditional measurement and control antenna feeds are often single-frequency and single-circular polarization. In this way, for navigation measurement and control of multiple satellites, two or even multiple antennas are often required to me

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  • Dual-frequency dual-circular polarization navigation measurement and control antenna feed
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  • Dual-frequency dual-circular polarization navigation measurement and control antenna feed

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[0034] The present disclosure will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific implementation manners described here are only used to explain relevant content, rather than to limit the present disclosure. It should also be noted that, for ease of description, only parts related to the present disclosure are shown in the drawings.

[0035] It should be noted that, in the case of no conflict, the implementation modes and the features in the implementation modes in the present disclosure can be combined with each other. The present disclosure will be described in detail below with reference to the drawings and embodiments.

[0036] In at least one embodiment of the present disclosure, the present disclosure provides a dual-frequency dual-circular polarization navigation measurement and control antenna feed, such as figure 1 As shown, it includes a diaphragm-type circular polarizer 1 , a coaxial mult...

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Abstract

The invention provides a dual-frequency dual-circular polarization navigation measurement and control antenna feed, which comprises a coaxial multi-ring waveguide horn antenna, a diaphragm-type circular polarizer and a coaxial waveguide converter, wherein the coaxial multi-ring waveguide horn antenna comprises a circular waveguide and a coaxial multi-ring outer wall; the diaphragm-type circular polarizer comprises a square waveguide and a stepped diaphragm in sequence along an axial direction, the square waveguide is connected with the circular waveguide, and the stepped diaphragm is located on the central axis of the square waveguide; and the coaxial waveguide converter is connected with the diaphragm-type circular polarizer and comprises a rectangular waveguide and a coaxial probe, and the coaxial probe is used for converting electromagnetic waves in the rectangular waveguide to coaxial signals.

Description

technical field [0001] The present disclosure relates to a navigation measurement and control antenna feed source, in particular to a dual-frequency dual circular polarization navigation measurement and control antenna feed source. Background technique [0002] Common navigation measurement and control antennas are generally composed of paraboloids due to the high gain required, and the main difference is the composition of the feed source. [0003] There are two types of traditional feed sources, microstrip and dipole antennas. The circular polarization synthesis of the microstrip antenna is generally composed of a microstrip circuit with two linear polarization power dividers and a 90-degree phase shifter. It has the characteristics of small size, light weight, high integration, and low cost. [0004] However, due to the characteristics of the dielectric plate in the microwave frequency band, the antenna has a large loss and a narrow bandwidth (generally no more than 10%)...

Claims

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Application Information

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IPC IPC(8): H01Q1/36H01Q1/50H01Q7/00H01Q5/20H01Q15/24H01Q13/02H01P5/103
CPCH01P5/103H01Q1/36H01Q1/50H01Q7/00H01Q13/0241H01Q15/24H01Q5/20
Inventor 王家齐
Owner BEIJING DASHUN WILL TECH
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