Low-orbit satellite earth station antenna tracking device and application method thereof

A tracking device and low-orbit satellite technology, which is applied in the field of tracking of low-orbit satellite ground station antennas, can solve problems such as the inability to apply low-orbit satellite ground station antennas, and achieve the effect of shortening the transformation and development cycle

Active Publication Date: 2019-05-21
MIANYANG NETOP TELECOM EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Therefore, there are differences in the working methods of low-orbit satellites and high-orbit satellites relative to ground station antennas, so the tracking device for high-orbit satellite ground station antennas in the prior art cannot be applied to low-orbit satellite ground station antennas.

Method used

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  • Low-orbit satellite earth station antenna tracking device and application method thereof
  • Low-orbit satellite earth station antenna tracking device and application method thereof
  • Low-orbit satellite earth station antenna tracking device and application method thereof

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Embodiment Construction

[0074] The present invention will be described in further detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0075] It should be understood that terms such as "having", "comprising" and "including" used herein do not entail the presence or addition of one or more other elements or combinations thereof.

[0076] Figure 1-2 The realization form of the tracking device of a kind of low-orbit satellite ground station antenna according to the present invention is shown, including:

[0077] The ephemeris prediction unit 1 is connected with the ephemeris receiver 2 connected with the low-orbit satellite communication to receive the ephemeris, and it is used to receive the ephemeris data sent by the satellite, specifically by the ephemeris prediction unit ephemeris prediction module and The CPU is composed of receiving satellite ephemeris data regularly injected from the outside, combined ...

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Abstract

The invention discloses a low-orbit satellite earth station antenna tracking device. The device comprises an ephemeris forecasting unit, a tracking control unit and a servo control unit, wherein the ephemeris forecasting unit is connected with an ephemeris receiver which is in communication connection with a low-orbit satellite to receive ephemeris; the tracking control unit is in communication connection with the ephemeris forecasting unit; the tracking control unit is connected with a GPS and/or a Beidou positioning unit and an inertial measurement unit; the servo control unit is in communication connection with the tracking control unit; and an antenna driving assembly matched with a ground station antenna and a frame assembly are arranged on the servo control unit. According to the low-orbit satellite earth station antenna tracking device, the ephemeris forecasting unit is connected to forecast the orbit position information of the satellite in a period of follow-up time, so as toguide the ground station antenna to capture, track and align (ATP) the satellite; and the device has positive push effects for transiting automatic satellite antenna products from high orbit to low orbit and shortening the transition development periods of the satellite antenna products.

Description

technical field [0001] The present invention relates to the tracking of an antenna of a low-orbit satellite ground station used in the case of satellite communication and its application method. Background technique [0002] The mobile communication system based on low-orbit satellites has the characteristics of short communication delay, small propagation loss, and reliable transmission quality. It can form a global coverage through a multi-satellite network. Conveniently boosted by increasing the number of satellites. [0003] With the rapid development of my country's modern mobile communication technology and the maturity of small satellite technology and the reduction of cost, the low-orbit satellite mobile communication system has become the key direction of my country's satellite communication development. The development of low-cost, high-speed, miniaturized, fully automatic, and domestically produced low-orbit satellite communication terminals has broad market pros...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q3/02
Inventor 奉鸣李国平薛辉旷小兵何建罗文彬
Owner MIANYANG NETOP TELECOM EQUIP
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