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Ground beam calibration method and device for GEO satellite, electronic equipment and storage medium

A calibration method and ground beam technology, applied in the field of satellite communications, can solve problems such as coverage drift and antenna beam offset, and achieve the effect of reducing the maximum surface pointing offset

Active Publication Date: 2022-05-03
BEIJING UNIV OF POSTS & TELECOMM
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  • Application Information

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Problems solved by technology

However, during the operation of GEO satellites, the phenomenon of antenna beam offset will occur due to the influence of the earth's rotation, which will cause problems such as coverage drift.

Method used

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  • Ground beam calibration method and device for GEO satellite, electronic equipment and storage medium

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Embodiment Construction

[0017] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0018] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present application shall have the usual meanings understood by those skilled in the art to which the present application belongs. "Comprising" or "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right" and so on are only used to indicate the relative...

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Abstract

The invention provides an earth beam calibration method and device for a GEO satellite, electronic equipment and a storage medium. The method comprises the following steps: acquiring a measurement power value of a calibration beam of a satellite; according to the measured power value, pitch angle deviation and azimuth angle deviation of satellite antenna pointing are obtained; according to the obtained pitch angle deviation and azimuth angle deviation, a predicted pitch angle deviation and a predicted azimuth angle deviation at the next moment are obtained through a trained deviation prediction model; and transmitting the predicted pitch angle deviation and the predicted azimuth angle deviation to a satellite. For the GEO satellite, through the steps, the pitch angle and azimuth angle deviation angle at the subsequent moment can be effectively predicted according to the past deviation data under the condition that the pitch angle and azimuth angle deviation prior information model of the GEO satellite is difficult to obtain. Therefore, the GEO satellite beam is further calibrated, and the maximum earth surface pointing offset is reduced.

Description

technical field [0001] The present application relates to the technical field of satellite communication, in particular to a method, device, electronic equipment and storage medium for calibrating a ground beam of a GEO satellite. Background technique [0002] Satellite communication has become a key technology for the next generation of information and communication systems due to its ability to ensure large coverage and ultra-high data rate transmission. Among them, GEO satellites are widely used in the fields of communication transmission, TV broadcasting and weather forecasting because of their large coverage and uninterrupted communication throughout the day. They are also an important part of the global navigation system. However, during the operation of GEO satellites, the phenomenon of antenna beam offset will occur due to the influence of the earth's rotation, which will cause problems such as coverage drift. Contents of the invention [0003] In view of this, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185G06N3/04G06N3/08
CPCH04B7/18519G06N3/08G06N3/048G06N3/044
Inventor 李斌刘宏福赵成林许方敏
Owner BEIJING UNIV OF POSTS & TELECOMM
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