CN107800470B - Real-time monitoring system and method for satellite comprehensive test uplink remote control modulation signal - Google Patents
Real-time monitoring system and method for satellite comprehensive test uplink remote control modulation signal Download PDFInfo
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- CN107800470B CN107800470B CN201710877217.4A CN201710877217A CN107800470B CN 107800470 B CN107800470 B CN 107800470B CN 201710877217 A CN201710877217 A CN 201710877217A CN 107800470 B CN107800470 B CN 107800470B
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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
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/20—Integrity monitoring, fault detection or fault isolation of space segment
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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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
- H04B7/18517—Transmission equipment in earth stations
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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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- Aviation & Aerospace Engineering (AREA)
- Signal Processing (AREA)
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Abstract
The invention discloses a real-time monitoring system and a real-time monitoring method for an uplink remote control modulation signal in satellite comprehensive test, wherein the system comprises a remote control signal coupling and conditioning device which is used for coupling and conditioning the remote control modulation signal generated by an uplink remote control modulation device of a comprehensive test system and sent to a satellite; the receiver is used for demodulating and decoding the remote control signal and sending the remote control instruction data and the demodulation state information which are subjected to frame synchronization to the real-time monitoring and comparing equipment; code table equipment and the like for inverting the remote control instruction data sent by the receiver. The invention realizes the comparison of remote control instruction information correctness and the real-time monitoring of the modulated signal quality of the uplink remote control modulated signal in the whole satellite comprehensive test process, and can quickly isolate or position the fault of the ground test system when the abnormal response of the remote control instruction occurs in the satellite comprehensive test.
Description
Technical Field
The invention relates to the technical field of satellite testing, in particular to a system and a method for monitoring an uplink remote control modulation signal in real time in satellite comprehensive testing.
Background
With the continuous development of the general satellite technology, the number of radio frequency channels of the satellite is more and more, the frequency band is higher and more, the electromagnetic environment of the satellite is more and more complex, the abnormal response of the instructions caused by some reasons is often encountered on the satellite test site, especially during wireless test, part of the abnormal response of the instructions comes from the fault of the comprehensive test system, and generally the fault can be eliminated by searching related records, but generally the fault is based on the ground communication protocol level, once the radio frequency part or the modulation signal is searched, whether the uplink remote control modulation of the comprehensive test system is correctly modulated or not or whether the modulation content is correct or not cannot be eliminated, whether the function of the related single machine on the satellite is abnormal or not cannot be determined, the fault occurs, the fault cannot be eliminated and positioned after that, the model development is not facilitated, and therefore, the correct comparison of the remote control instruction data and the modulation signal of the uplink remote control modulation signal of the satellite are very necessary The invention relates to a real-time monitoring system and a method for satellite comprehensive test uplink remote control modulation signals, which are used for solving the problems that the real-time monitoring system and the method are not provided with descriptions or reports of similar related technologies at present and similar data at home and abroad are not collected, and generally, a comprehensive test system directly modulates uplink remote control signals and sends the modulated uplink remote control signals to a satellite in the field of domestic satellites at present, the correctness comparison of remote control instruction information and the real-time monitoring of the quality of the modulated signals are lacked, once a remote control instruction abnormally responds, the fault of modulation equipment of the comprehensive test system cannot be quickly isolated, and the quick positioning or the function abnormality of a satellite related single machine cannot be quickly realized.
Disclosure of Invention
The invention aims to solve the technical problem of providing a real-time monitoring system and a real-time monitoring method for an uplink remote control modulation signal in satellite comprehensive test, which can realize the comparison of remote control instruction information correctness and the real-time monitoring of modulation signal quality of the uplink remote control modulation signal in the whole satellite comprehensive test process and can quickly isolate or position the fault of a ground test system when the abnormal response of a remote control instruction occurs in the satellite comprehensive test.
The invention solves the technical problems through the following technical scheme: a real-time monitoring system for an uplink remote control modulation signal in a satellite comprehensive test comprises:
remote control signal coupling and conditioning device: the system comprises a radio frequency cable, a satellite comprehensive test system uplink, a remote control module and a remote control module, wherein the radio frequency cable is connected in series with the satellite comprehensive test system uplink and is used for coupling an uplink remote control modulation signal generated by the satellite comprehensive test system and sent to a satellite and conditioning the signal to a proper working level;
a receiver: the remote control signal coupling and conditioning equipment is connected with real-time monitoring and comparing equipment, the remote control modulation signal is demodulated, decoded and frame synchronized, and the remote control instruction data after frame synchronization and the demodulation state information of the receiver are sent to the real-time monitoring and comparing equipment;
code table equipment: and the satellite remote control instruction data processing device is connected with the real-time monitoring and comparing device and is used for carrying out remote control instruction inversion on the satellite remote control instruction data sent by the real-time monitoring and comparing device and sending the inverted remote control instruction information to the real-time monitoring and comparing device.
In another aspect of the present invention, a real-time monitoring method for an uplink remote control modulation signal in a satellite integrated test is provided, which comprises the following steps:
firstly, initializing software and equipment, establishing network connection between real-time monitoring and comparing equipment and a receiver, a comprehensive test system and code table equipment, and applying remote control instruction data and receiver demodulation state information to the receiver;
coupling and conditioning the uplink remote control modulation signal of the comprehensive test system to enable the level of the signal input to the receiver to be at a reasonable level;
step three, the receiver demodulates, decodes and frame-synchronizes the remote control modulation signal in real time, and sends the remote control instruction data and the receiver demodulation state information after frame synchronization to the real-time monitoring and comparing equipment;
step four, the real-time monitoring and comparing equipment sends the remote control instruction data sent by the receiver to the code table equipment for inversion, receives and compares the inverted remote control instruction information with the remote control instruction information broadcasted by the comprehensive test system, and simultaneously monitors the demodulation state of the receiver in real time;
and step five, the test software repeats the steps three to four, and the correctness comparison of the remote control instruction information and the real-time monitoring of the modulated signal quality are carried out on the uplink remote control modulated signal.
Preferably, the real-time monitoring and comparing device is connected with the receiver and the code table device, and is configured to receive the remote control instruction data sent by the receiver and send the remote control instruction data to the code table device for inversion of the instruction data, receive remote control instruction information inverted by the code table device, compare the remote control instruction information with the remote control instruction information broadcast by the comprehensive test system, and receive and monitor demodulation state information sent by the receiver in real time.
Preferably, the satellite comprehensive test uplink remote control modulation signal real-time monitoring system couples the remote control modulation signals, and realizes the comparison of the correctness of the remote control instruction information and the real-time monitoring of the quality of the modulation signals in a software mode, wherein the modulation signals are intermediate frequency or radio frequency signals.
Preferably, the system for monitoring the uplink remote control modulation signal in the satellite comprehensive test in real time demodulates the remote control signal through the receiver to obtain the remote control data, and performs inversion of the remote control instruction information through the code table device, where the receiver and the code table device are both additional devices independent of the comprehensive test system, or an idle receiving channel and a code table inversion module of the comprehensive test system with related functions.
The positive progress effects of the invention are as follows: the invention relates to a real-time monitoring system and a method for satellite comprehensive test uplink remote control modulation signals, which realize the comparison of the correctness of remote control instruction information of the satellite comprehensive test uplink remote control modulation signals and the real-time monitoring of the quality of the modulation signals.
Drawings
Fig. 1 is a block diagram of a satellite integrated test uplink remote control modulation signal real-time monitoring system according to the present invention.
Fig. 2 is a flow chart of the method for monitoring the uplink remote control modulation signal in real time in the satellite comprehensive test of the invention.
Detailed Description
The following provides a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, the system for monitoring the uplink remote control modulation signal in real time in the satellite integrated test of the present invention comprises:
remote control signal coupling and conditioning device: the system comprises a radio frequency cable, a satellite comprehensive test system uplink, a remote control module and a remote control module, wherein the radio frequency cable is connected in series with the satellite comprehensive test system uplink and is used for coupling an uplink remote control modulation signal generated by the satellite comprehensive test system and sent to a satellite and conditioning the signal to a proper working level;
a receiver: the remote control signal coupling and conditioning equipment is connected with real-time monitoring and comparing equipment, the remote control modulation signal is demodulated, decoded and frame synchronized, and the remote control instruction data after frame synchronization and the demodulation state information of the receiver are sent to the real-time monitoring and comparing equipment;
code table equipment: and the satellite remote control instruction data processing device is connected with the real-time monitoring and comparing device and is used for carrying out remote control instruction inversion on the satellite remote control instruction data sent by the real-time monitoring and comparing device and sending the inverted remote control instruction information to the real-time monitoring and comparing device.
As shown in fig. 2, the method for monitoring the uplink remote control modulation signal in real time in the satellite integrated test of the invention comprises the following steps:
firstly, initializing software and equipment, establishing network connection between real-time monitoring and comparing equipment and a receiver, a comprehensive test system and code table equipment, and applying remote control instruction data and receiver demodulation state information to the receiver;
coupling and conditioning the uplink remote control modulation signal of the comprehensive test system to enable the level of the signal input to the receiver to be at a reasonable level;
step three, the receiver demodulates, decodes and frame-synchronizes the remote control modulation signal in real time, and sends the remote control instruction data and the receiver demodulation state information after frame synchronization to the real-time monitoring and comparing equipment;
step four, the real-time monitoring and comparing equipment sends the remote control instruction data sent by the receiver to the code table equipment for inversion, receives and compares the inverted remote control instruction information with the remote control instruction information broadcasted by the comprehensive test system, and simultaneously monitors the demodulation state of the receiver in real time;
and step five, the test software repeats the steps three to four, and the correctness comparison of the remote control instruction information and the real-time monitoring of the modulated signal quality are carried out on the uplink remote control modulated signal.
The real-time monitoring and comparing equipment is connected with the receiver and the code table equipment, and is used for receiving the remote control instruction data sent by the receiver, sending the remote control instruction data to the code table equipment for inversion of the instruction data, receiving remote control instruction information inverted by the code table equipment, comparing the remote control instruction information with the remote control instruction information broadcasted by the comprehensive test system, and simultaneously receiving and monitoring demodulation state information sent by the receiver in real time.
The satellite comprehensive test uplink remote control modulation signal real-time monitoring system couples remote control modulation signals, and realizes remote control instruction information correctness comparison and modulation signal quality real-time monitoring in a software mode, wherein the modulation signals are intermediate frequency or radio frequency signals.
The system for monitoring the uplink remote control modulation signal in the satellite comprehensive test in real time demodulates the remote control signal through the receiver to obtain remote control data, and carries out inversion of remote control instruction information through the code table equipment, wherein the receiver and the code table equipment are additional equipment independent of the comprehensive test system, or an idle receiving channel and a code table inversion module with related functions of the comprehensive test system.
In conclusion, the invention realizes the comparison of the remote control instruction information correctness and the real-time monitoring of the modulated signal quality of the uplink remote control modulated signal in the whole satellite comprehensive test process, and can quickly isolate or position the fault of the ground test system when the abnormal response of the remote control instruction occurs in the satellite comprehensive test.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A real-time monitoring method for an uplink remote control modulation signal in a satellite comprehensive test is characterized in that a real-time monitoring system for the uplink remote control modulation signal in the satellite comprehensive test is adopted to monitor the uplink remote control modulation signal in the satellite comprehensive test in real time;
the real-time monitoring system for the satellite comprehensive test uplink remote control modulation signal comprises:
remote control signal coupling and conditioning device: the system comprises a radio frequency cable, a satellite comprehensive test system uplink, a remote control module and a remote control module, wherein the radio frequency cable is connected in series with the satellite comprehensive test system uplink and is used for coupling an uplink remote control modulation signal generated by the satellite comprehensive test system and sent to a satellite and conditioning the signal to a proper working level;
a receiver: the remote control signal coupling and conditioning equipment is connected with real-time monitoring and comparing equipment, the remote control modulation signal is demodulated, decoded and frame synchronized, and the remote control instruction data after frame synchronization and the demodulation state information of the receiver are sent to the real-time monitoring and comparing equipment;
code table equipment: the satellite remote control instruction data processing device is connected with the real-time monitoring and comparing device and used for carrying out remote control instruction inversion on the satellite remote control instruction data sent by the real-time monitoring and comparing device and sending inverted remote control instruction information to the real-time monitoring and comparing device;
the real-time monitoring and comparing equipment is connected with the receiver and the code table equipment, and is used for receiving the remote control instruction data sent by the receiver, sending the remote control instruction data to the code table equipment for inversion of the instruction data, receiving remote control instruction information inverted by the code table equipment, comparing the remote control instruction information with the remote control instruction information broadcasted by the comprehensive test system, and simultaneously receiving and monitoring demodulation state information sent by the receiver in real time;
the system for monitoring the uplink remote control modulation signal in the satellite comprehensive test in real time demodulates the remote control signal through the receiver to obtain remote control data, and carries out inversion of remote control instruction information through the code table equipment, wherein the receiver and the code table equipment are additional equipment independent of the comprehensive test system, or an idle receiving channel and a code table inversion module with related functions of the comprehensive test system;
the method for monitoring the uplink remote control modulation signal in real time in the satellite comprehensive test by adopting the system for monitoring the uplink remote control modulation signal in real time in the satellite comprehensive test comprises the following steps:
firstly, initializing software and equipment, establishing network connection between real-time monitoring and comparing equipment and a receiver, a comprehensive test system and code table equipment, and applying remote control instruction data and receiver demodulation state information to the receiver;
coupling and conditioning the uplink remote control modulation signal of the comprehensive test system to enable the level of the signal input to the receiver to be at a reasonable level;
step three, the receiver demodulates, decodes and frame-synchronizes the remote control modulation signal in real time, and sends the remote control instruction data and the receiver demodulation state information after frame synchronization to the real-time monitoring and comparing equipment;
step four, the real-time monitoring and comparing equipment sends the remote control instruction data sent by the receiver to the code table equipment for inversion, receives and compares the inverted remote control instruction information with the remote control instruction information broadcasted by the comprehensive test system, and simultaneously monitors the demodulation state of the receiver in real time;
and step five, the test software repeats the steps three to four, and the correctness comparison of the remote control instruction information and the real-time monitoring of the modulated signal quality are carried out on the uplink remote control modulated signal.
2. The method according to claim 1, wherein the system for monitoring the uplink remote control modulation signal in real time for satellite integrated test couples the remote control modulation signal, and implements comparison of correctness of remote control instruction information and real-time monitoring of quality of the modulation signal in software, the modulation signal being an intermediate frequency or radio frequency signal.
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| CN110324675A (en) * | 2019-06-26 | 2019-10-11 | 航天恒星科技有限公司 | The method and apparatus that signal quality monitoring is carried out to satellite broadcasting television system |
| CN111628819B (en) * | 2020-05-28 | 2021-05-28 | 中国人民解放军32039部队 | Relay satellite system forward link detection method and device and electronic equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527629A (en) * | 2014-09-29 | 2016-04-27 | 郑州威科姆科技股份有限公司 | Beidou satellite navigation system performance monitoring device and monitoring method thereof |
| CN107064961A (en) * | 2017-03-24 | 2017-08-18 | 北京航空航天大学 | The method and device tested satellite navigation system integrity monitoring performance |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004134009A (en) * | 2002-10-10 | 2004-04-30 | Matsushita Electric Ind Co Ltd | Wobble demodulation device and method |
| US7283090B2 (en) * | 2003-12-24 | 2007-10-16 | Trimble Navigation Limited | System for standard positioning service and precise positioning service cooperative operation |
| US8189504B2 (en) * | 2008-12-17 | 2012-05-29 | Viasat, Inc. | Physical layer header structure for decoding and synchronization |
| KR20150100373A (en) * | 2014-02-25 | 2015-09-02 | 한국전자통신연구원 | Digital demodulation method and system thereof |
| CN106452561B (en) * | 2016-09-27 | 2019-12-13 | 北京无线电计量测试研究所 | system and method for comparing satellite bidirectional time among multiple stations |
| CN106506058A (en) * | 2016-11-03 | 2017-03-15 | 上海卫星工程研究所 | The remote-control simulated method and system of satellite telemetry |
| CN106533580B (en) * | 2016-12-16 | 2019-03-29 | 中国电子科技集团公司第五十四研究所 | A kind of monitoring method applied to navigation uplink injection link |
-
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527629A (en) * | 2014-09-29 | 2016-04-27 | 郑州威科姆科技股份有限公司 | Beidou satellite navigation system performance monitoring device and monitoring method thereof |
| CN107064961A (en) * | 2017-03-24 | 2017-08-18 | 北京航空航天大学 | The method and device tested satellite navigation system integrity monitoring performance |
Non-Patent Citations (1)
| Title |
|---|
| 北斗卫星导航系统在轨信号监测与数据质量分析;欧阳晓凤等;《全球定位系统》;20130831;第38卷(第4期);第32-37页 * |
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