CN106656305B - Automatic satellite alignment method and device and satellite - Google Patents
Automatic satellite alignment method and device and satellite Download PDFInfo
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- CN106656305B CN106656305B CN201611039887.0A CN201611039887A CN106656305B CN 106656305 B CN106656305 B CN 106656305B CN 201611039887 A CN201611039887 A CN 201611039887A CN 106656305 B CN106656305 B CN 106656305B
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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
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/125—Means for positioning
- H01Q1/1257—Means for positioning using the received signal strength
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Abstract
The invention relates to an automatic satellite alignment method, an automatic satellite alignment device and a satellite, wherein the method comprises the following steps: receiving a satellite identifier input by a user, and inquiring satellite position information corresponding to the satellite identifier in a preset configuration list according to the satellite identifier; adjusting the position of an antenna to aim at the satellite according to the satellite position information; continuously sending a satellite alignment signal to a satellite positioned at a satellite position according to a preset period in the satellite alignment process so that the satellite judges whether the satellite alignment is successful according to the satellite alignment signal, wherein the satellite alignment signal carries a satellite alignment completion instruction and satellite identification information; and if response information of satellite success returned by the satellite is received within the preset time, executing a satellite locking action. The invention can avoid the condition of false star aiming, is not easy to be interfered by the atmosphere and improves the accuracy of automatic star aiming.
Description
Technical Field
The invention belongs to the field of satellite communication, and particularly relates to an automatic satellite alignment method, an automatic satellite alignment device and a satellite.
Background
the beacon machine: the satellite beacon signal demodulation device is an important component in a satellite antenna servo tracking system, and has the main functions of performing signal demodulation processing on satellite beacon signals of C, Ku and Ka wave bands which are down-converted to L wave bands, adjusting AGC voltage and locking indication level used by a servo system, and enabling an antenna to accurately aim at a satellite to realize double communication.
at present, the satellite communication earth station mainly detects the intensity of a communication signal through a beacon machine to realize the function of automatic satellite alignment. When the signal intensity is greater than a preset threshold value, judging that the satellite antenna is aligned with the satellite; otherwise, the antenna position is continuously adjusted.
However, the method for pointing the star through the beacon is easy to reach a 'false star' and is easy to be interfered by the atmosphere, and the star pointing operation cannot be realized in an environment with low signal intensity. On the other hand, the beacon machine has large volume and high cost, and is not beneficial to the star finding of a portable antenna and a small-caliber antenna.
Disclosure of Invention
the embodiment of the invention aims to provide an automatic satellite alignment method, an automatic satellite alignment device and a satellite, and aims to solve the problems that in the prior art, when a beacon is used for satellite alignment operation, a 'false satellite' is easy to align, the beacon is easily interfered by the atmosphere, the satellite alignment operation cannot be realized under the environment with lower signal strength, the size of the beacon is larger, the cost is high, and the satellite alignment method is not beneficial to satellite finding of a portable antenna and a small-caliber antenna.
In a first aspect of the present invention, an automatic satellite alignment method is provided, where the method includes:
receiving a satellite identifier input by a user, and inquiring satellite position information corresponding to the satellite identifier in a preset configuration list according to the satellite identifier;
Adjusting the position of an antenna to aim at the satellite according to the satellite position information;
Continuously sending a satellite alignment signal to a satellite positioned at the satellite position according to a preset period in the satellite alignment process so that the satellite judges whether satellite alignment is successful according to the satellite alignment signal, wherein the satellite alignment signal carries a satellite alignment completion instruction and satellite identification information;
and if response information of satellite success returned by the satellite is received within preset time, executing a satellite locking action.
In a second aspect of the embodiments of the present invention, an automatic satellite alignment method is provided, where the method includes:
Monitoring whether an opposite satellite signal sent by an opposite satellite device is received in real time, wherein the opposite satellite signal carries an opposite satellite completion instruction and satellite identification information;
If receiving satellite alignment signals, analyzing satellite alignment completion instructions and satellite identification information carried in the satellite alignment signals;
and judging whether the satellite alignment of the satellite alignment device is successful according to the satellite alignment completion instruction and the satellite identification information, and returning corresponding response information to the satellite alignment device according to a judgment result.
In a third aspect of the embodiments of the present invention, an automatic satellite alignment device is provided, where the device includes:
The satellite position query unit is used for receiving a satellite identifier input by a user and querying satellite position information corresponding to the satellite identifier in a preset configuration list according to the satellite identifier;
the antenna position adjusting unit is used for adjusting the antenna position to aim at the satellite according to the satellite position information;
The satellite alignment signal transmitting unit is used for continuously transmitting satellite alignment signals to the satellite positioned at the satellite position according to a preset period in the satellite alignment process so that the satellite can judge whether satellite alignment is successful according to the satellite alignment signals, and the satellite alignment signals carry satellite alignment completion instructions and satellite identification information;
And the satellite locking operation unit is used for executing a satellite locking action if response information which is returned by the satellite and succeeds in satellite locking is received within preset time.
In a fourth aspect of the embodiments of the present invention, there is provided a satellite, including:
the system comprises a signal monitoring unit, a satellite alignment unit and a satellite alignment unit, wherein the signal monitoring unit is used for monitoring whether satellite alignment signals sent by a satellite alignment device are received in real time, and the satellite alignment signals carry satellite alignment completion instructions and satellite identification information;
The signal analysis unit is used for analyzing a satellite alignment completion instruction and satellite identification information carried in the satellite alignment signal if the satellite alignment signal is received;
And the satellite alignment confirming unit is used for judging whether the satellite alignment of the satellite alignment device is successful according to the satellite alignment completion instruction and the satellite identification information, and returning corresponding response information to the satellite alignment device according to a judgment result.
The automatic satellite alignment method, the automatic satellite alignment device and the satellite provided by the embodiment of the invention have the following beneficial effects:
On the other hand, in the prior art, the automatic satellite alignment device mainly performs satellite alignment through a beacon machine, so that whether the satellite is successfully aligned or not is mainly determined by the signal strength, but the method only can determine that a satellite transmits a signal in the direction, but cannot judge which satellite the signal is transmitted from, so that the situation of aligning to a 'false satellite' is easy to occur. In the embodiment of the invention, because the satellite identification information is carried in the communication process between the automatic satellite aligning device and the satellite, the automatic satellite aligning device can judge whether the received signal is the selected satellite according to the satellite identification information, thereby avoiding the situation of 'false satellite' aiming.
On the other hand, in the prior art, when the satellite is determined according to the satellite signal strength, the received satellite signal may attenuate the signal due to the influence of atmospheric interference, so that the overall signal strength is generally low, and even if the antenna is already at the optimal satellite-alignment position, the signal strength still cannot reach the threshold value, so that the communication is not performed, and the communication efficiency is reduced. In the embodiment of the invention, the satellite judges whether the automatic satellite alignment device is successful in satellite alignment, and the automatic satellite alignment device returns corresponding response information through receiving the satellite to confirm the satellite alignment state, so that satellite alignment can be realized under the condition of weak signals, the environmental adaptability of the automatic satellite alignment device is improved, and the usable range of the automatic satellite alignment device is expanded.
In addition, the embodiment of the invention does not need to carry out automatic satellite alignment through a beacon machine, so that the volume of an automatic satellite alignment device can be reduced, and the manufacturing cost of the device can be reduced.
Drawings
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a flowchart of an automatic satellite alignment method and an automatic satellite alignment device according to an embodiment of the present invention;
fig. 2 is a flowchart of an automatic satellite alignment apparatus side of an automatic satellite alignment method according to another embodiment of the present invention;
FIG. 3 is a flow chart of a satellite side of an automatic satellite alignment method according to an embodiment of the present invention;
FIG. 4 is an interaction flow diagram of an automatic satellite alignment method according to an embodiment of the present invention;
Fig. 5 is a block diagram of an automatic satellite alignment apparatus according to an embodiment of the present invention;
fig. 6 is a block diagram of an automatic satellite alignment apparatus according to another embodiment of the present invention;
Fig. 7 is a block diagram of a satellite according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention mainly confirms that the automatic satellite alignment device is successfully aligned by receiving the satellite alignment confirmation information sent by the satellite, thereby improving the accuracy of automatic satellite alignment.
in the embodiment of the invention, the execution main body of the process is an automatic satellite alignment device of the ground station. The automatic satellite alignment device includes, but is not limited to, an ODU (Outdoor Unit), a portable mobile antenna, a loaded satellite antenna, and the like having a device and an apparatus for communicating with a satellite. Fig. 1 shows a flowchart of an implementation of an automatic satellite alignment method according to an embodiment of the present invention, which is detailed as follows:
In S101, a satellite identifier input by a user is received, and satellite position information corresponding to the satellite identifier in a preset configuration list is inquired according to the satellite identifier.
in this embodiment, a user inputs a satellite identifier to be aligned through an interactive device of the automatic satellite alignment device, where the identifier may be a name, a label, or a preset custom code of a satellite, or may be a key corresponding to each satellite on an interactive interface.
In this embodiment, the preset configuration list of the automatic satellite device is written into the memory of the device when the device leaves the factory, and after the device is started for the first time, the preset configuration list can be updated through communication with the server; the user may also modify or add satellite entries to the configuration information through the application. Preferably, after the satellites are successfully aimed each time, comparing whether the position information of the satellites in the configuration list is consistent with the actual satellite position, and if so, not modifying; if the satellite alignment information is inconsistent with the satellite alignment information, the position information of the satellite is automatically updated, so that the position of the satellite can be found more quickly after the satellite is started next time, and the automatic satellite alignment efficiency is improved.
in this embodiment, after the satellite identifier is received by the automatic satellite alignment device, whether the satellite identifier exists in the configuration list is queried, and if the satellite identifier exists in the configuration list, satellite position information corresponding to the satellite identifier is read; if the satellite identification does not exist, informing the user that the satellite does not exist or exceeds the satellite range in which the device can be positioned, and prompting the user to input the satellite identification again; and if the user does not answer, reading the satellite position information in the last operation.
and in S102, adjusting the position of the antenna to aim at the satellite according to the satellite position information.
in the present embodiment, the satellite position information includes, but is not limited to: the orbital altitude of the satellite, the trajectory of the satellite, and positioning information of the satellite. The automatic satellite alignment device obtains angle information such as a pitch angle, an azimuth angle, a polarization angle and the like of the antenna according to the longitude and latitude and the height of the automatic satellite alignment device and the read satellite position information, transmits the information to the control antenna device, and adjusts the position of the antenna to enable the antenna to be in a pre-judged satellite alignment position.
In this embodiment, if the satellite selected by the user is a geostationary satellite, the satellite position information is a position parameter value, and accordingly, the pre-determined antenna satellite-to-satellite position is a satellite-to-satellite position point and a signal transmitting direction in which the antenna is located at the position point.
In this embodiment, if the satellite selected by the user is an asynchronous satellite, the satellite position information is a running track of the satellite, and accordingly, the predicted antenna satellite-to-satellite position is track information of the antenna moving along with the satellite.
In S103, continuously sending a satellite alignment signal to the satellite at the satellite position according to a preset period in the satellite alignment process, so that the satellite judges whether satellite alignment is successful according to the satellite alignment signal, wherein the satellite alignment signal carries a satellite alignment completion instruction and satellite identification information.
alternatively, the preset period may be changed according to the motion state of the automatic satellite aligning device. If the automatic satellite aligning device is in a static state relative to the ground, the preset period time is relatively long; if the automatic satellite alignment device is in a motion state relative to the ground, the preset period time is in inverse proportion to the speed of the automatic satellite alignment device relative to the ground, namely the faster the speed of the automatic satellite alignment device is, the shorter the preset period is.
optionally, the predetermined period is also related to the type of satellite selected by the user, for example, the predetermined period for the satellite being a geostationary satellite is shorter than the predetermined period for the satellite being a non-geostationary satellite.
In this embodiment, after the antenna reaches the predetermined satellite alignment position point, the satellite alignment signal is continuously transmitted in a preset period. Optionally, the pair of star signals has an identification code corresponding to the number of cycles. Since the antenna is at a specific predetermined position in each period. When the return time of the successful satellite response information exceeds the interval length of the preset period, the antenna is located at another satellite-to-satellite pre-judging position, and if the time is judged to be the correct satellite-to-satellite position, satellite deviation is easily caused. When the satellite alignment signal contains the identification code of the corresponding period, the ground station can obtain the prejudged position of the antenna in the period according to the identification code of the corresponding period after receiving the satellite alignment success information, and obtain the accurate satellite alignment position.
in this embodiment, the satellite-to-satellite signal carries a satellite-to-satellite completion instruction. Optionally, the to-star completion instruction is an agreed field in the to-star signal information, where all 1 s in the field represent completion of the to-star operation, and all 0 s represent incomplete operation of the to-star operation. Optionally, the satellite alignment completion instruction is that the automatic satellite alignment device sends an satellite alignment signal in a certain specific waveform or frequency band, and when the satellite receives the waveform signal or receives information in the frequency band, the satellite alignment device is considered to send the satellite alignment completion instruction to the satellite alignment device.
in this embodiment, the satellite identification information includes, but is not limited to: the number, model, name and IP Address (Internet Protocol Address) of the satellite can be used to identify different satellites.
Optionally, the satellite identification information is a signal transmitted in a certain spectral range. For example, the frequency band for the ground station to communicate with the Beidou I is 35GHz to 37GHz, and the frequency band for the ground station to communicate with the Oriental Red I is 12GHz to 15 GHz. When the Beidou I receives the satellite aiming signal sent by the automatic satellite aiming system of the ground station within the frequency range of 12GHz-15GHz, the judgment is that the satellite aiming signal is not self-aimed, and the signal is not responded. Only the satellite-to-satellite signals received in the 35GHz to 37GHz band respond.
In S104, if response information of success for the satellite returned by the satellite is received within a preset time, a satellite locking action is performed.
In this embodiment, the automatic satellite-targeting device monitors the received signal in real time, and when response information of satellite success fed back by the satellite is received within a preset time, the satellite is considered to have succeeded. If the response message of satellite success fed back by the satellite is not received within the preset time, the satellite antenna position is continuously adjusted and satellite alignment information is sent again probably because the satellite alignment position when the signal is sent is deviated from the optimal satellite alignment position.
alternatively, the preset time may be changed according to the motion state of the automatic satellite aligning device. If the automatic satellite aligning device is in a static state relative to the ground, the preset time is relatively long; if the automatic satellite aligning device is in a motion state relative to the ground, the preset time is in inverse proportion to the speed of the automatic satellite aligning device relative to the ground, namely the faster the speed of the automatic satellite aligning device is, the shorter the preset time is.
optionally, the preset time is also related to the type of satellite selected by the user, for example, the preset time for the satellite being a geostationary satellite is shorter than the preset time for the satellite being a non-geostationary satellite.
in this embodiment, the star locking action specifically includes: and stopping adjusting the position of the antenna, and performing satellite tracking or satellite locking operation according to the satellite position. Since the automatic satellite alignment device has received satellite alignment success information returned by the satellites, the antenna position has been successfully aligned with the satellites and no adjustment is required. And according to different satellite types, the antenna position can be locked or tracking operation can be carried out according to the satellite positions in a preset configuration list.
Preferably, step S104 may further include:
Monitoring whether the antenna position deviates from an alignment position; and if so, returning to the step of adjusting the antenna position to aim at the satellite according to the satellite position information.
specifically, the method for monitoring whether the antenna position deviates from the opposite satellite position includes sending a satellite locking detection signal to the satellite according to a preset period, so that the satellite returns corresponding satellite locking response information. After the star locking operation is finished, a star locking detection signal is sent within a preset time, so that whether a star is lost or not is confirmed by the automatic star locking device and timely correction is carried out.
the automatic satellite alignment method, the automatic satellite alignment device and the satellite provided by the embodiment of the invention have the following beneficial effects:
On the other hand, in the prior art, the automatic satellite alignment device mainly performs satellite alignment through a beacon machine, so that whether the satellite is successfully aligned or not is mainly determined by the signal strength, but the method only can determine that a satellite transmits a signal in the direction, but cannot judge which satellite the signal is transmitted from, so that the situation of aligning to a 'false satellite' is easy to occur. In the embodiment of the invention, because the satellite identification information is carried in the communication process between the automatic satellite aligning device and the satellite, the automatic satellite aligning device can judge whether the received signal is the selected satellite according to the satellite identification information, thereby avoiding the situation of 'false satellite' aiming.
On the other hand, in the prior art, when the satellite is determined according to the satellite signal strength, the received satellite signal may attenuate the signal due to the influence of atmospheric interference, so that the overall signal strength is generally low, and even if the antenna is already at the optimal satellite-alignment position, the signal strength still cannot reach the threshold value, so that the communication is not performed, and the communication efficiency is reduced. In the embodiment of the invention, the satellite judges whether the automatic satellite alignment device is successful in satellite alignment, and the automatic satellite alignment device returns corresponding response information through receiving the satellite to confirm the satellite alignment state, so that satellite alignment can be realized under the condition of weak signals, the environmental adaptability of the automatic satellite alignment device is improved, and the usable range of the automatic satellite alignment device is expanded.
in addition, the embodiment of the invention does not need to carry out automatic satellite alignment through a beacon machine, so that the volume of an automatic satellite alignment device can be reduced, and the manufacturing cost of the device can be reduced.
Fig. 2 shows a flowchart of an automatic satellite alignment method according to another embodiment of the present invention. Referring to fig. 2, with respect to the previous embodiment, the automatic satellite alignment method provided in this embodiment further defines that, in the satellite alignment process, the satellite alignment signal is continuously transmitted to the satellite located at the satellite position according to a preset period, so that the satellite determines whether the satellite alignment is successful according to the satellite alignment signal, which is described in detail as follows:
Further, as another embodiment of the present invention, continuously sending a satellite alignment signal to a satellite located at the satellite position according to a preset period in a satellite alignment process, so that the determining, by the satellite according to the satellite alignment signal, whether the satellite alignment succeeds specifically includes:
in S203, in the satellite alignment process, an alignment signal is continuously sent to a modem of the satellite located at the satellite position according to a preset period through an OpenAMIP protocol, so that the satellite determines whether the satellite alignment is successful according to the alignment signal.
The interactive communication between the automatic satellite alignment device and the satellite is based on an OpenAMIP Protocol (Open Antenna-Modem Interface Protocol), wherein the OpenAMIP Protocol is a communication Protocol based on an IP Protocol, and information exchange between the automatic satellite alignment device and a Modem of the satellite is realized.
optionally, the satellite identification information carried in the satellite signal is an IP address of the satellite modem. The automatic satellite alignment device sends satellite alignment information based on an OpenAMIP protocol, wherein a source address in the information is an IP address of the automatic satellite alignment device, and a destination address is an IP address of a modem of the satellite, so that the satellite can receive and process the satellite alignment information conveniently.
Preferably, the satellite aiming signal contains the prejudgment position information of the automatic satellite aiming device for the satellite, so that the satellite can judge whether the satellite aiming is successful according to the prejudgment position information. The automatic satellite alignment device records the position information of the satellites in the preset configuration list in the satellite alignment information, the satellite modem receives the satellite alignment information and analyzes the satellite position information pre-judged in the information, the pre-judged satellite position information is compared with the position information of the satellite modem, and if the satellite alignment information is consistent with the position information of the satellite modem, satellite alignment success information is returned; and if the satellite position information is inconsistent with the satellite position information, sending correct satellite position information, and replacing the position information of the corresponding satellite in the preset configuration list after the automatic satellite alignment device receives the updated satellite position information.
in the embodiment, the communication with the satellite is performed through the OpenAMIP protocol, and the satellite alignment completion instruction and the satellite identification information are carried in the transmitted OpenAMIP protocol packet, so that the satellite alignment accuracy of the satellite alignment device is improved. And the OpenAMIP protocol can realize the ABS function (Automatic Beam Switching) and keep the continuity of satellite communication, thereby improving the reliability of satellite device communication.
in S204, in the satellite alignment process, a ping protocol is used to send satellite alignment signals to a gateway where a satellite at the satellite position is located according to a preset period, so that the satellite can judge whether satellite alignment is successful according to the satellite alignment signals.
the interactive communication between the automatic satellite alignment device and the satellite is based on a ping Protocol (Packet Internet Groper, Internet Packet explorer Protocol), and the satellite alignment signal is an ICMP message (Internet Control Messages Protocol, Internet message Control Protocol) sent based on the ping Protocol. The satellite identification information carried by the satellite alignment signal is an IP address of a gateway where the satellite is located in the ICMP message. After receiving ICMP message information sent by a ground station, a gateway of the satellite checks whether the IP address in the message is consistent with the IP address of the gateway of the satellite, and if so, sends response information of successful satellite; and if the satellite information is inconsistent with the satellite information, sending response information of satellite failure or not responding to the satellite information.
Optionally, after receiving the ping protocol message of the satellite response, if the TTL (Time to Live) value is greater than 1, the automatic satellite device considers that the response message is a response message to satellite failure. Because the communication between the automatic satellite aiming device and the satellite is direct communication, the protocol forwarding is not required to be carried out through a router or other gateways in the middle. When the TTL value in the response message of the ping protocol is larger than 1, the message can be judged to reach the IP address after being forwarded. This means that a direct communication link cannot be established with the satellite due to inaccurate satellite alignment position, and therefore when the TTL value is greater than 1, it is determined that satellite alignment fails, and satellite alignment continues.
In the embodiment, the IP address is used as the identification information of the satellite, and when the ping protocol can successfully receive the returned information, the communication link is proved to be reachable, that is, the communication is established with the satellite, and of course, the automatic satellite alignment device is also aligned with the satellite, so that the problem that the satellite is aligned to a 'fake satellite' or a wrong satellite in the prior art is solved, and the satellite alignment accuracy of the satellite alignment device is improved.
Further, as another embodiment of the present invention, the continuously sending a satellite alignment signal to the satellite located at the satellite position according to a preset period in the satellite alignment process, so that the satellite determines whether the satellite alignment is successful according to the satellite alignment signal, where the satellite alignment signal carries a satellite alignment completion instruction and satellite identification information, and then the method further includes:
In S205, if the response information of the satellite is not received within the preset time or the response information of the satellite failure returned by the satellite is received within the preset time, returning the step of adjusting the antenna position according to the satellite position information to perform satellite alignment.
Response information to satellite failure includes, but is not limited to: the antenna is to star position error message, frequency band selection error message, to star information content unreadable and request the retransmission information.
Optionally, the preset configuration list is updated according to the various types of response information to the satellite failure. Therefore, the information in the configuration list is updated, the operation is prevented from being continuously executed based on the error information when the satellite is operated next time, and the accuracy and the speed of satellite alignment are improved.
If the automatic satellite alignment device does not receive information returned by the satellite or response information of satellite alignment failure within the preset time, the satellite alignment operation is considered to fail, the position of the antenna needs to be adjusted in time, and the satellite alignment operation is continued until response information of satellite alignment success returned by the satellite is received within the preset time.
In this embodiment, the satellite alignment success information is not received by setting the preset time, the antenna position is adjusted, and satellite alignment is performed again. Therefore, the situation of continuously waiting for reply is avoided, and the satellite alignment efficiency and the time are improved.
It should be noted that, in this embodiment, since the specific implementation processes of S201 and S202 are completely the same as those of S101 and S102 in the embodiment shown in fig. 1, S104 in the embodiment shown in fig. 1 includes the specific implementation process of S206 in this embodiment and has completely the same content, and therefore, no further description is given in this embodiment.
as another implementation of the present invention, an automatic satellite alignment method is provided, in which the execution subject of the process is a satellite. Including, but not limited to, geostationary satellites, non-geostationary satellites, dual satellite systems, and multi-satellite systems. Fig. 3 shows a flowchart of implementing the satellite side of the automatic satellite alignment method according to the embodiment of the present invention, which is detailed as follows:
In S301, whether a satellite alignment signal sent by a satellite alignment device is received is monitored in real time, where the satellite alignment signal carries a satellite alignment completion instruction and satellite identification information.
The satellite has a modem that continuously demodulates the received signals and forwards the demodulated information to the satellite's processor for processing.
in S302, if a satellite alignment signal is received, a satellite alignment completion instruction and satellite identification information carried in the satellite alignment signal are analyzed.
and when the satellite modem receives the satellite-to-satellite signal, executing a satellite-to-satellite response process, and analyzing satellite-to-satellite completion instruction information and satellite identification information of the information. If the satellite identification information carried by the satellite information is consistent with the identification information of the satellite, the satellite information is considered to be correctly delivered, and response is carried out according to the satellite finishing instruction content; if not, the message is not responded to or forwarded.
Optionally, if the satellite is a dual-satellite system or a multi-satellite system, and the satellite identification information carried by the satellite information corresponds to not the satellite but another satellite in the dual-satellite system or a certain satellite in the multi-satellite system, the satellite information is forwarded.
Optionally, if the paired satellite information is received but the content of the paired satellite information is unreadable, for example, the paired satellite information is not consistent with the agreed information format, and the paired satellite success information and the satellite identification information in the paired satellite information cannot be analyzed, a response message that the content of the information is unreadable is returned, and the ground station device is required to retransmit the response message.
in S303, whether the satellite alignment of the satellite alignment device is successful is determined according to the satellite alignment completion instruction and the satellite identification information, and corresponding response information is returned to the satellite alignment device according to a determination result.
The satellite returns corresponding response information including, but not limited to: response information to satellite success and response information to satellite failure. And when the satellite alignment completion instruction indicates that the automatic satellite alignment device completes satellite alignment operation and the carried satellite identification information is consistent with the identification information of the satellite, returning response information of satellite alignment success. And when the satellite-to-satellite finishing instruction indicates that the device is not operated for the satellite or the carried satellite identification information is inconsistent with the identification information of the satellite, returning response information of satellite failure.
preferably, the interactive communication between the automatic satellite alignment device and the satellite is based on an OpenAMIP protocol, and the sent satellite alignment information includes satellite position information determined by the automatic satellite alignment device according to preset configuration information. The satellite analyzes the position of the pre-judged satellite and compares the position with the position of the pre-judged satellite, and if the position is consistent with the position, satellite alignment success information is returned; if the satellite-to-satellite failure information is inconsistent with the satellite-to-satellite failure information, the automatic satellite-to-satellite device is informed of the arrival of the false satellite.
Optionally, when the modem of the satellite analyzes the signal, if the signal strength is lower than a preset threshold, the satellite-to-satellite failure information is returned. If the signal intensity is too low, the signal is still transmitted to the satellite device probably due to the combined action of the refraction and the reflection of the atmosphere on the inaccurate satellite position, so that the automatic satellite alignment device is judged to be inaccurate in satellite position at the moment, and the satellite alignment operation is required to be carried out again.
According to the embodiment of the invention, the satellite judges whether the satellite alignment of the satellite alignment device is successful or not according to the satellite alignment signal sent by the automatic satellite alignment device, and returns corresponding response information to the satellite alignment device according to the judgment result, so that the satellite alignment accuracy of the automatic satellite alignment device is improved. In this embodiment, whether the satellite is successfully judged is judged not according to the magnitude of the signal strength but according to the content of the information, obviously, the judgment according to the content of the information is a judgment result obtained by comprehensively considering a plurality of values, and the judgment according to the signal strength is a result obtained by considering only a single variable, so that the judgment result according to the plurality of values is obviously more accurate than the judgment result according to the single value. Therefore, the method and the device effectively improve the accuracy of the automatic satellite alignment device for aligning the satellite and solve the problem that a 'false satellite' is often aligned in the prior art.
exemplarily, fig. 4 shows an interaction flow chart of the automatic satellite alignment method provided by the embodiment of the present invention, in the interaction flow, two parties of the process interaction mainly perform communication connection between the automatic satellite alignment device and the satellite, and determine whether the satellite alignment is successful according to the content of the satellite alignment information, thereby solving the problems that the satellite alignment device is easily subjected to atmospheric interference and a satellite is likely to arrive at a false satellite in the prior art.
it should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Fig. 5 is a block diagram illustrating a structure of an automatic satellite alignment apparatus according to an embodiment of the present invention, which is used for executing the method according to the embodiment illustrated in fig. 1. For convenience of explanation, only the portions related to the present embodiment are shown.
referring to fig. 5, the automatic satellite aligning device includes:
The satellite position query unit 51 is configured to receive a satellite identifier input by a user, and query satellite position information corresponding to the satellite identifier in a preset configuration list according to the satellite identifier;
An antenna position adjusting unit 52, configured to adjust an antenna position according to the satellite position information to perform satellite alignment;
a satellite alignment signal transmitting unit 53, configured to continuously transmit a satellite alignment signal to a satellite located at the satellite position according to a preset period in a satellite alignment process, so that the satellite determines whether satellite alignment is successful according to the satellite alignment signal, where the satellite alignment signal carries a satellite alignment completion instruction and satellite identification information;
And the star locking operation unit 54 is configured to execute a star locking action if response information on success of the star returned by the satellite is received within a preset time.
specifically, the satellite signal transmitting unit 53 is configured to:
and continuously sending a satellite alignment signal to a modem of the satellite positioned at the satellite position according to a preset period by an OpenAMIP protocol in the satellite alignment process, so that the satellite judges whether satellite alignment is successful according to the satellite alignment signal.
Specifically, the satellite signal transmitting unit 53 is configured to:
And in the satellite alignment process, transmitting an satellite alignment signal to a gateway station where a satellite at the satellite position is located according to a preset period by using a ping protocol, so that the satellite judges whether satellite alignment is successful according to the satellite alignment signal.
optionally, referring to fig. 6, in another embodiment, the automatic star aligner in this embodiment is used to run the method provided in the embodiment shown in fig. 2, and the automatic star aligner further includes:
And the relocating unit 64 is configured to return the step of adjusting the antenna position to perform satellite alignment according to the satellite position information if the response information of the satellite is not received within the preset time or the response information of satellite alignment failure returned by the satellite is received within the preset time.
It should be noted that, since the functions of 61, 62, 63, and 65 in the embodiment shown in fig. 6 are completely the same as those of 51, 52, 53, and 54 in the embodiment shown in fig. 5, detailed descriptions thereof are omitted in this embodiment.
It should be noted that, since each unit in the automatic satellite alignment apparatus provided in this embodiment is based on the same concept as that of the embodiment of the method of the present invention, the technical effect brought by the embodiment of the method of the present invention is the same as that of the embodiment of the method of the present invention, and specific contents may refer to descriptions in the embodiment of the method of the present invention, and are not described herein again.
Therefore, the automatic satellite alignment device provided by the embodiment of the invention can also determine whether the satellite is successfully aligned or not by receiving the corresponding response information returned by the satellite, thereby solving the problems that the automatic satellite alignment device is easily interfered by the atmosphere and can reach a 'false star' in the satellite alignment process in the prior art and improving the satellite alignment accuracy. In addition, the satellite alignment transmitting unit 53 of the automatic satellite alignment device in this embodiment may not only perform satellite alignment by using the steps described in S203 or S204, but also automatically switch two satellite alignment modes or perform the two satellite alignment modes concurrently according to the actual situation to implement the satellite alignment function, thereby improving the hardware utilization rate of the automatic satellite alignment device resource and being capable of accurately aligning the satellite in different signal environments. On the other hand, the automatic star aligning device does not depend on a beacon machine to perform automatic star alignment, so that the manufacturing cost can be reduced, and the size of the device can be reduced.
fig. 7 is a block diagram illustrating a satellite according to an embodiment of the present invention, which is used to perform the method according to the embodiment illustrated in fig. 3. For convenience of explanation, only the portions related to the present embodiment are shown.
The signal monitoring unit 71 is configured to monitor whether a satellite alignment signal sent by a satellite alignment device is received in real time, where the satellite alignment signal carries a satellite alignment completion instruction and satellite identification information;
The signal analyzing unit 72 is configured to, if a satellite alignment signal is received, analyze a satellite alignment completion instruction and satellite identification information carried in the satellite alignment signal;
And the satellite alignment confirming unit 73 is configured to judge whether the satellite alignment of the satellite alignment device is successful according to the satellite alignment completion instruction and the satellite identification information, and return corresponding response information to the satellite alignment device according to a judgment result.
it should be noted that, since each unit in the satellite provided in this embodiment is based on the same concept as that of the embodiment of the method of the present invention, the technical effect brought by the unit is the same as that of the embodiment of the method of the present invention, and specific contents may refer to descriptions in the embodiment of the method of the present invention, and are not described herein again.
therefore, the satellite provided by the embodiment of the invention can also judge whether the satellite alignment of the satellite alignment device is successful according to the satellite alignment signal sent by the automatic satellite alignment device, and returns corresponding response information to the satellite alignment device according to the judgment result, thereby improving the satellite alignment accuracy of the automatic satellite alignment device.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
in the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described system embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing unit, or each module may exist alone physically, or two or more modules are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solutions of the embodiments of the present invention may be implemented in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. An automatic satellite alignment method, characterized in that the automatic satellite alignment method comprises:
receiving a satellite identifier input by a user, and inquiring satellite position information corresponding to the satellite identifier in a preset configuration list according to the satellite identifier;
Adjusting the position of an antenna to aim at the satellite according to the satellite position information;
Continuously sending a satellite alignment signal to a satellite positioned at the satellite position according to a preset period in the satellite alignment process so that the satellite judges whether satellite alignment is successful according to the satellite alignment signal, wherein the satellite alignment signal carries a satellite alignment completion instruction and satellite identification information;
And if response information of satellite success returned by the satellite is received within preset time, executing a satellite locking action.
2. The automatic satellite alignment method of claim 1, wherein: the continuously sending satellite alignment signals to the satellite located at the satellite position according to a preset period in the satellite alignment process, so that the satellite judging whether satellite alignment is successful according to the satellite alignment signals specifically comprises:
And continuously sending a satellite alignment signal to a modem of the satellite positioned at the satellite position according to a preset period by an OpenAMIP protocol in the satellite alignment process, so that the satellite judges whether satellite alignment is successful according to the satellite alignment signal.
3. The automatic satellite alignment method according to claim 1, wherein the continuously transmitting satellite alignment signals to the satellites located at the satellite positions according to a preset period during satellite alignment so that the satellite determines whether satellite alignment is successful according to the satellite alignment signals specifically comprises:
And in the satellite alignment process, transmitting an satellite alignment signal to a gateway where a satellite located at the satellite position is located according to a preset period by using a ping protocol, so that the satellite judges whether satellite alignment is successful according to the satellite alignment signal.
4. The automatic satellite alignment method of claim 1, wherein: the method comprises the following steps of continuously sending satellite alignment signals to a satellite located at the satellite position according to a preset period in the satellite alignment process so as to enable the satellite to judge whether satellite alignment is successful according to the satellite alignment signals, wherein the satellite alignment signals carry satellite alignment completion instructions and satellite identification information, and then the method further comprises the following steps:
And if the response information of the satellite is not received within the preset time or the response information of satellite failure returned by the satellite is received within the preset time, returning to the step of adjusting the position of the antenna according to the position information of the satellite to carry out satellite alignment.
5. An automatic satellite alignment method, characterized in that the automatic satellite alignment method comprises:
Monitoring whether an opposite satellite signal sent by an opposite satellite device is received in real time, wherein the opposite satellite signal carries an opposite satellite completion instruction and satellite identification information;
If receiving satellite alignment signals, analyzing satellite alignment completion instructions and satellite identification information carried in the satellite alignment signals;
And judging whether the satellite alignment of the satellite alignment device is successful according to the satellite alignment completion instruction and the satellite identification information, and returning corresponding response information to the satellite alignment device according to a judgment result.
6. An automatic satellite alignment device, the device comprising:
The satellite position query unit is used for receiving a satellite identifier input by a user and querying satellite position information corresponding to the satellite identifier in a preset configuration list according to the satellite identifier;
The antenna position adjusting unit is used for adjusting the antenna position to aim at the satellite according to the satellite position information;
the satellite alignment signal transmitting unit is used for continuously transmitting satellite alignment signals to the satellite positioned at the satellite position according to a preset period in the satellite alignment process so that the satellite can judge whether satellite alignment is successful according to the satellite alignment signals, and the satellite alignment signals carry satellite alignment completion instructions and satellite identification information;
And the satellite locking operation unit is used for executing a satellite locking action if response information which is returned by the satellite and succeeds in satellite locking is received within preset time.
7. the automatic satellite alignment device of claim 6, wherein: the satellite signal transmitting unit is specifically configured to:
and continuously sending a satellite alignment signal to a modem of the satellite positioned at the satellite position according to a preset period by an OpenAMIP protocol in the satellite alignment process, so that the satellite judges whether satellite alignment is successful according to the satellite alignment signal.
8. The automatic satellite alignment device of claim 6, wherein: the satellite signal transmitting unit is specifically configured to:
and in the satellite alignment process, transmitting an satellite alignment signal to a gateway station where a satellite positioned at the satellite position is positioned according to a preset period by using a ping protocol, so that the satellite judges whether satellite alignment is successful according to the satellite alignment signal.
9. The automatic satellite alignment device of claim 6, wherein: the automatic satellite aligning device further comprises:
And the repositioning unit is used for returning the step of adjusting the position of the antenna to perform satellite alignment according to the satellite position information if the response information of the satellite is not received within the preset time or the response information of satellite alignment failure returned by the satellite is received within the preset time.
10. A satellite, comprising:
The system comprises a signal monitoring unit, a satellite alignment unit and a satellite alignment unit, wherein the signal monitoring unit is used for monitoring whether satellite alignment signals sent by a satellite alignment device are received in real time, and the satellite alignment signals carry satellite alignment completion instructions and satellite identification information;
the signal analysis unit is used for analyzing a satellite alignment completion instruction and satellite identification information carried in the satellite alignment signal if the satellite alignment signal is received;
And the satellite alignment confirming unit is used for judging whether the satellite alignment of the satellite alignment device is successful according to the satellite alignment completion instruction and the satellite identification information, and returning corresponding response information to the satellite alignment device according to a judgment result.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611039887.0A CN106656305B (en) | 2016-11-10 | 2016-11-10 | Automatic satellite alignment method and device and satellite |
| PCT/CN2017/071805 WO2018086255A1 (en) | 2016-11-10 | 2017-01-20 | Automatic satellite alignment method and apparatus, and satellite |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611039887.0A CN106656305B (en) | 2016-11-10 | 2016-11-10 | Automatic satellite alignment method and device and satellite |
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| CN106656305B true CN106656305B (en) | 2019-12-06 |
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| CN109273852B (en) * | 2018-10-12 | 2020-10-27 | 深圳市沃特沃德股份有限公司 | Method and system for automatically adjusting satellite antenna |
| CN109582045B (en) * | 2019-01-08 | 2022-07-01 | 北京慧清科技有限公司 | Initial alignment method of antenna when carrier is inclined |
| CN110502038B (en) * | 2019-07-23 | 2022-04-22 | 北京控制工程研究所 | High-stability control method for antenna presetting in maneuvering process |
| CN113765574B (en) * | 2021-08-04 | 2023-05-26 | 苏州阿清智能科技有限公司 | High-flux satellite multi-frequency point synchronous satellite finding method |
| CN114301517A (en) * | 2021-12-30 | 2022-04-08 | 中国电信股份有限公司卫星通信分公司 | High-flux switching control method based on conventional Ku satellite portable station |
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| CN106656305A (en) | 2017-05-10 |
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