CN111970042A - Phased array ephemeris-free first satellite alignment method, system and device and storage medium - Google Patents
Phased array ephemeris-free first satellite alignment method, system and device and storage medium Download PDFInfo
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- CN111970042A CN111970042A CN202010656476.6A CN202010656476A CN111970042A CN 111970042 A CN111970042 A CN 111970042A CN 202010656476 A CN202010656476 A CN 202010656476A CN 111970042 A CN111970042 A CN 111970042A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18519—Operations control, administration or maintenance
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Abstract
The invention discloses a phased array ephemeris-free first satellite alignment method, a system, a device and a storage medium, wherein the method comprises the following steps: controlling the phased array to perform full airspace scanning and determining a scanned first satellite; acquiring the wave beam signal intensity of the first satellite, and determining a second satellite according to the wave beam signal intensity; and selecting the second satellite to access the network, and downloading the ephemeris after the second satellite successfully accesses the network. The invention rapidly scans the full airspace by a phased array beam rapid scanning technology, judges the satellite-to-satellite condition by using the beam signal intensity, and forms blind scanning tracking, thereby realizing the effects of accessing a satellite network without an ephemeris and downloading the latest ephemeris. The invention can be widely applied to the communication field.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a phased array ephemeris-free first satellite alignment method, a system, a device and a storage medium.
Background
The ephemeris or the position of the existing communication satellite is known, and the ground communication terminal antenna finishes the first satellite aiming action according to the ephemeris. When the communication terminal is off-line for a long time and the system satellite is changed frequently, the terminal cannot update ephemeris in time, so that the preset ephemeris error is too large or invalid, and the satellite cannot be aimed at by relying on the ephemeris terminal.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a phased array ephemeris-free first satellite alignment method, system, apparatus and storage medium.
In a first aspect, an embodiment of the present invention provides a phased array ephemeris-free first satellite alignment method, including the following steps:
controlling the phased array to perform full airspace scanning and determining a scanned first satellite;
acquiring the wave beam signal intensity of the first satellite, and determining a second satellite according to the wave beam signal intensity;
and selecting the second satellite to access the network, and downloading the ephemeris after the second satellite successfully accesses the network.
In an embodiment of the present invention, the controlling the phased array to perform full airspace scanning and determine the scanned first satellite specifically includes:
and controlling the phased array to avoid the co-frequency satellite while carrying out full airspace scanning, and determining the scanned first satellite.
In an embodiment of the present invention, the controlling the phased array to avoid the co-frequency satellite while performing full airspace scanning specifically includes:
and controlling the phased array to carry out full airspace scanning, and avoiding the co-frequency satellite corresponding to the co-frequency satellite position information according to the preset co-frequency satellite position information.
In an embodiment of the present invention, the determining the second satellite according to the beam signal strength specifically includes:
and if the beam signal intensity is greater than a preset intensity threshold value, determining that the second satellite is the first satellite corresponding to the beam signal intensity.
In an embodiment of the present invention, the selecting the second satellite for accessing to the network and downloading the ephemeris after successful access to the network includes:
tracking the second satellite, and selecting the second satellite to try to access the network;
and if the network access is successful, ephemeris is downloaded.
In a second aspect, an embodiment of the present invention provides a phased array ephemeris-free first-time satellite alignment system, including:
the scanning unit is used for controlling the phased array to carry out full airspace scanning and determining a scanned first satellite;
the satellite determining unit is used for acquiring the beam signal intensity of the first satellite and determining a second satellite according to the beam signal intensity;
and the network access unit is used for selecting the second satellite to access the network and downloading the ephemeris after the network access is successful.
In an embodiment of the present invention, the scanning unit is specifically configured to:
and controlling the phased array to avoid the co-frequency satellite while carrying out full airspace scanning, and determining the scanned first satellite.
In an embodiment of the present invention, the network access unit includes:
the tracking unit is used for tracking the second satellite and selecting the second satellite to try to access the network;
and the downloading unit is used for downloading the ephemeris if the network access is successful.
In a third aspect, an embodiment of the present invention further provides a phased array ephemeris-free first satellite alignment apparatus, including:
at least one processor;
at least one memory for storing at least one program;
when executed by the at least one processor, cause the at least one processor to implement the phased array ephemeris-free first-time-to-satellite method.
In a fourth aspect, an embodiment of the present invention further provides a computer storage medium, which includes a computer program, and when the computer program runs on a computer, the phased array ephemeris-free first-time satellite alignment method is executed.
The invention has the beneficial effects that:
the invention rapidly scans the full airspace by a phased array beam rapid scanning technology, judges the satellite-to-satellite condition by using the beam signal intensity, and forms blind scanning tracking, thereby realizing the effects of accessing a satellite network without an ephemeris and downloading the latest ephemeris.
Furthermore, the invention can actively avoid the same-frequency satellite during scanning, effectively compress the scanning time and avoid interfering other satellites.
Drawings
FIG. 1 is a flow chart of the steps of a phased array ephemeris-free first satellite alignment method of the present invention;
FIG. 2 is a block diagram of a phased array ephemeris-free first time alignment system of the present invention.
Detailed Description
The invention will be further explained and explained with reference to the drawings and the embodiments in the specification. The step numbers in the following embodiments are provided only for convenience of illustration, the order between the steps is not limited at all, and the execution order of each step in the embodiments can be adapted according to the understanding of those skilled in the art.
Referring to fig. 1, an embodiment of the present invention provides a phased array ephemeris-free first satellite alignment method, including the following steps:
and S1, controlling the phased array to perform full airspace scanning, and determining the scanned first satellite.
And S2, acquiring the beam signal intensity of the first satellite, and determining a second satellite according to the beam signal intensity.
And S3, selecting the second satellite to access the network, and downloading the ephemeris after the network access is successful.
In the embodiment, the method is applied to a ground communication terminal, and then the satellite-to-satellite condition of the satellite is judged by using the received beam signal intensity, and in the embodiment, the satellite is determined to be paired only if the beam signal intensity is strong enough, so that the network access is attempted, and the satellite network access without ephemeris and the latest ephemeris download are realized.
In an embodiment, the controlling the phased array to perform full airspace scanning and determine the scanned first satellite specifically includes:
and controlling the phased array to avoid the co-frequency satellite while carrying out full airspace scanning, and determining the scanned first satellite.
In this embodiment, the common-frequency satellite refers to a known satellite in the same frequency band in other systems, and since the scanning common-frequency satellite is likely to generate an interference signal and the position information of the common-frequency satellite is known, the common-frequency satellite can be actively avoided during scanning, so that not only can the scanning time be effectively reduced, but also interference to other satellites is avoided.
In an embodiment, the controlling the phased array to avoid the co-frequency satellite while performing full airspace scanning specifically includes:
and controlling the phased array to carry out full airspace scanning, and avoiding the co-frequency satellite corresponding to the co-frequency satellite position information according to the preset co-frequency satellite position information.
In this embodiment, the position information of the co-frequency satellite may be information of dimensions, heights, and the like of the satellite, and the co-frequency satellite refers to a known satellite in the same frequency band in other systems.
In an embodiment of the present invention, the determining the second satellite according to the beam signal strength specifically includes:
and if the beam signal intensity is greater than a preset intensity threshold value, determining that the second satellite is the first satellite corresponding to the beam signal intensity.
In an embodiment, the selecting the second satellite for network access and downloading the ephemeris after network access succeeds includes:
tracking the second satellite, and selecting the second satellite to try to access the network;
and if the network access is successful, ephemeris is downloaded.
In this embodiment, the ground communication terminal tries to access the network, and immediately enters the ephemeris downloading state if the network access is successful, and returns to execute step S1 for full airspace scanning if the network access is unsuccessful, and returns to execute step S1 for full airspace scanning if the ephemeris downloading is unsuccessful until the ephemeris is completely downloaded.
Referring to fig. 2, an embodiment of the present invention provides a phased array ephemeris-free first-time satellite alignment system, including:
the scanning unit is used for controlling the phased array to carry out full airspace scanning and determining a scanned first satellite;
the satellite determining unit is used for acquiring the beam signal intensity of the first satellite and determining a second satellite according to the beam signal intensity;
and the network access unit is used for selecting the second satellite to access the network and downloading the ephemeris after the network access is successful.
In an embodiment, the scanning unit is specifically configured to:
and controlling the phased array to avoid the co-frequency satellite while carrying out full airspace scanning, and determining the scanned first satellite.
In one embodiment, the network entry unit includes:
the tracking unit is used for tracking the second satellite and selecting the second satellite to try to access the network;
and the downloading unit is used for downloading the ephemeris if the network access is successful.
The embodiment of the invention also provides a phased array ephemeris-free first satellite alignment device, which comprises:
at least one processor;
at least one memory for storing at least one program;
when executed by the at least one processor, cause the at least one processor to implement the phased array ephemeris-free first-time-to-satellite method.
An embodiment of the present invention further provides a computer storage medium, which includes a computer program, and when the computer program runs on a computer, the phased array ephemeris-free first satellite alignment method is executed.
According to the invention, the full airspace is rapidly scanned by the phased array beam rapid scanning technology, the satellite-to-satellite condition is judged by utilizing the beam signal intensity, and blind scanning tracking is formed, so that the effects of accessing a satellite network and downloading the latest ephemeris under the condition of no ephemeris are realized.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A phased array ephemeris-free first satellite alignment method is characterized by comprising the following steps:
controlling the phased array to perform full airspace scanning and determining a scanned first satellite;
acquiring the wave beam signal intensity of the first satellite, and determining a second satellite according to the wave beam signal intensity;
and selecting the second satellite to access the network, and downloading the ephemeris after the second satellite successfully accesses the network.
2. The phased array ephemeris-free first satellite alignment method according to claim 1, wherein the phased array is controlled to perform full airspace scanning to determine a scanned first satellite, specifically:
and controlling the phased array to avoid the co-frequency satellite while carrying out full airspace scanning, and determining the scanned first satellite.
3. The phased array ephemeris-free first satellite alignment method according to claim 2, wherein the phased array is controlled to avoid co-frequency satellites while scanning in a full airspace, specifically:
and controlling the phased array to carry out full airspace scanning, and avoiding the co-frequency satellite corresponding to the co-frequency satellite position information according to the preset co-frequency satellite position information.
4. The phased array ephemeris-free first satellite alignment method according to claim 1, wherein the determining a second satellite according to the beam signal strength specifically comprises:
and if the beam signal intensity is greater than a preset intensity threshold value, determining that the second satellite is the first satellite corresponding to the beam signal intensity.
5. The phased array ephemeris-free first satellite alignment method according to claim 1, wherein the selecting the second satellite to access the network and downloading the ephemeris after successful access to the network comprises:
tracking the second satellite, and selecting the second satellite to try to access the network;
and if the network access is successful, ephemeris is downloaded.
6. A phased array ephemeris-free first time alignment system, comprising:
the scanning unit is used for controlling the phased array to carry out full airspace scanning and determining a scanned first satellite;
the satellite determining unit is used for acquiring the beam signal intensity of the first satellite and determining a second satellite according to the beam signal intensity;
and the network access unit is used for selecting the second satellite to access the network and downloading the ephemeris after the network access is successful.
7. The phased array ephemeris-free first time alignment system as claimed in claim 6, wherein the scanning unit is specifically configured to:
and controlling the phased array to avoid the co-frequency satellite while carrying out full airspace scanning, and determining the scanned first satellite.
8. The phased array ephemeris-free first time satellite alignment system as claimed in claim 6, wherein the networking unit comprises:
the tracking unit is used for tracking the second satellite and selecting the second satellite to try to access the network;
and the downloading unit is used for downloading the ephemeris if the network access is successful.
9. A phased array ephemeris-free first satellite alignment device, comprising:
at least one processor;
at least one memory for storing at least one program;
when executed by the at least one processor, the at least one program causes the at least one processor to implement a phased array ephemeris-less first-time satellite alignment method as claimed in any one of claims 1 to 5.
10. A computer storage medium comprising a computer program which, when run on a computer, causes a phased array ephemeris-less first time satellite alignment method as claimed in any one of claims 1 to 5 to be performed.
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| CN202010656476.6A CN111970042A (en) | 2020-07-09 | 2020-07-09 | Phased array ephemeris-free first satellite alignment method, system and device and storage medium |
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| CN202010656476.6A CN111970042A (en) | 2020-07-09 | 2020-07-09 | Phased array ephemeris-free first satellite alignment method, system and device and storage medium |
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Cited By (1)
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| CN113114333A (en) * | 2021-03-11 | 2021-07-13 | 中国电子科技集团公司第五十四研究所 | Method and device for rapidly accessing mobile communication terminal of synchronous orbit satellite |
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Application publication date: 20201120 |