CN110138442A - Floor synthetic test macro and method for satellite data transmission - Google Patents
Floor synthetic test macro and method for satellite data transmission Download PDFInfo
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- CN110138442A CN110138442A CN201910431723.XA CN201910431723A CN110138442A CN 110138442 A CN110138442 A CN 110138442A CN 201910431723 A CN201910431723 A CN 201910431723A CN 110138442 A CN110138442 A CN 110138442A
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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
- H04B7/18517—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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0876—Aspects of the degree of configuration automation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
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- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Automation & Control Theory (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Radio Relay Systems (AREA)
Abstract
The present invention provides a kind of floor synthetic test macros and method for satellite data transmission, satellite data transmission system is connect with floor synthetic test macro by wired mode or wireless mode, the floor synthetic test macro for satellite data transmission includes multiple test equipments and measurement monitoring terminal, it is connected between the test equipment and the measurement monitoring terminal by Ethernet switch, wherein: during the test, the measurement monitoring terminal sends telecommand, under the support of the test equipment, satellite completes corresponding operation according to the telecommand；The collected data of satellite telemetry are also transferred to the measurement monitoring terminal under the support of the test equipment, and the measurement monitoring terminal receives and monitor payload data and telemetry；The measurement monitoring terminal includes baseband processor configuration module, frequency converter configuration module, measurement monitoring module, spectrum disposition module, real-time signal analysis configuration module and power meter configuration module.
Description
Technical field
The present invention relates to field of aerospace technology, in particular to a kind of floor synthetic for satellite data transmission is tested
System and method.
Background technique
Satellite high speed data is mainly responsible for transmission of the payload data between satellite and earth station.Due to
Satellite high speed data is the unique channel that satellite in orbit and ground carry out data exchange, so must have height
Therefore reliability before satellite launch, will rely on ground testing system and carry out strictly to satellite high speed data
Test, the test index multiplicity of satellite high speed data, testing process are complicated, it is therefore desirable to which ground checkout equipment can
Meet the testing requirement of differentiation.In addition, with data-handling capacity promotion on remote sensing satellite star, so that load valid data amount
It is a large amount of to increase, it is desirable that multichannel, high-speed downlink data transmission are carried out on star.In order to verify the transmission of the high-speed data-flow on star just
True property needs to carry out downstream transmissions test.
Ground checkout equipment includes test equipment and measuring and calculation machine (terminal containing test, remote terminal and testing service
Device), it is connected between the test equipment and measuring and calculation machine by Ethernet switch.During the test, remote terminal is sent out
Telecommand is sent, under the support of test equipment, satellite completes corresponding operation according to the telecommand.Satellite telemetry collects
Data be also transferred to test terminal under the support of test equipment, test terminal receives and monitors these telemetries.Electrical measurement
Testing service device completes the operations such as test data processing, forwarding and storage in the process.
, wireless test situation wired according to spaceborne high speed data transmission system, floor synthetic test macro state are different.Have
Under linear state, satellite equipment and ground checkout equipment can be between the test being closer, therefore can directly be surveyed to ground
Equipment operation is tried, ground checkout equipment is not controlled remotely.And under wireless status, the position of ground installation and on-board equipment
It sets and changes.To improve testing efficiency, dynamic configuration test macro is needed.
In order to meet commercialization satellite batch production, the requirement of concurrent testing then needs the floor synthetic of integrated design
Test macro.Traditional ground checkout equipment for Data transfer system can only meet the basic test demand of Data transfer system, and only
It can be carried out single channel test, buying is certainly external mostly, and it is with high costs, and technological service is not in time, and due to technical protection etc.
Reason, it is difficult to modification is localized to function to meet the test request of differentiation, therefore cause testing efficiency not high, simultaneously
Testing cost is high, constrains the development of commercial satellite industry.
Summary of the invention
The purpose of the present invention is to provide a kind of floor synthetic test macros and method for satellite data transmission, with solution
The certainly existing problem low for the floor synthetic testing efficiency of satellite data transmission.
In order to solve the above technical problems, the present invention provides a kind of floor synthetic test macro for satellite data transmission,
Satellite data transmission system is connect with floor synthetic test macro by wired mode or wireless mode, described to be used for satellite data
The floor synthetic test macro of transmission includes multiple test equipments and measurement monitoring terminal, and the test equipment and the telemetering are supervised
Depending on being connected between terminal by Ethernet switch, in which:
During the test, the measurement monitoring terminal sends telecommand, under the support of the test equipment, satellite
Corresponding operation is completed according to the telecommand；The collected payload data of satellite telemetry and telemetry are also in the survey
Try to be transferred to the measurement monitoring terminal under the support of equipment, the measurement monitoring terminal receive and monitor payload data and
Telemetry；
The measurement monitoring terminal includes baseband processor configuration module, frequency converter configuration module, measurement monitoring module, frequency
Compose configuration module, real-time signal analysis configuration module and power meter configuration module.
Optionally, in the floor synthetic test macro for satellite data transmission, the multiple test equipment
Including baseband processor, low-converter, power meter, frequency spectrograph and real-time signal analyzer.
Optionally, in the floor synthetic test macro for satellite data transmission, the measurement monitoring terminal
It further include IO plug-in unit, in which:
The baseband processor configuration module far call modulation and coding strategy configuration interface, to the baseband processor
Demodulation mode, decoding process and storage mode configured；
The frequency converter configuration module configures the frequency point and dampening information of the low-converter；
The measurement monitoring module is for receiving and monitoring telemetry；
The spectrum disposition module transfers the configuration interface of the frequency spectrograph by the IO plug-in unit, to the frequency spectrograph
Frequency spectrum is configured；
The real-time signal analysis configuration module carries out the parameter configuration of the real-time signal analyzer；
The power meter configuration module carries out the parameter configuration of the power meter.
Optionally, in the floor synthetic test macro for satellite data transmission,
The low-converter is down-converted to intermediate frequency for X frequency band signals, exports intermediate-freuqncy signal, is sent to the Base-Band Processing
Device；
The baseband processor is for carrying out reception test, demodulation test, emulating high code rate science test, remote sensing and telemetering
Received intermediate-freuqncy signal is demodulated, decoded, is solved by the reception and processing to high-speed data signal using data mining
It disturbs, bit synchronization and frame synchronization；
The real-time signal analyzer is used for data Real-time demodulation, shows error vector magnitude, the amplitude imbalance of signal
Degree and phase noise, to detect radiofrequency signal quality；
The power meter has automatic amendment standard, amendment temperature and the function of correcting bandwidth, for testing radio frequency connection
The power loss of equipment, and measurement power device output power；
The frequency spectrograph real-time detection spectrum signal state shows signal spectrum.
Optionally, described to be used for satellite data in the floor synthetic test macro for satellite data transmission
The floor synthetic test macro of transmission further includes that number examines server with passing, the test equipment and the number pass ground inspection servers it
Between connected by Ethernet switch, the number passes ground inspection servers and completes the processing of payload datas, forwarding and storage behaviour
Make；
The number passes ground inspection server and operably examines software, and by magnetic disc array storage data, examines software use describedly
In parsing data flow, by data flow framing, subpackage, then it is transmitted to the measurement monitoring terminal.
Optionally, in the floor synthetic test macro for satellite data transmission, the baseband processor, institute
Server is examined with stating low-converter, the power meter, the frequency spectrograph, the real-time signal analyzer and the number biography to all have
Independent network interface, the power meter and the frequency spectrograph all have operation panel and software configuration interface.
Optionally, described to be used for satellite data in the floor synthetic test macro for satellite data transmission
The floor synthetic test macro of transmission receives the simulation signal generator from satellite data transmission system, further includes receiving antenna, shows
Attached accessory is examined on wave device, image real time transfer machine and ground, in which:
Attached accessory is examined describedly to include high frequency cable, waveguide coaxial converter, high-frequency adapter head, power splitter, high-power decline
Subtract device, constant power attenuator and adjustable attenuator.
Optionally, described to be used for satellite data in the floor synthetic test macro for satellite data transmission
The floor synthetic test macro of transmission carries out under desktop test and heat test and wireless status under cable status satellite
Dock test to EMC test, mechanical test and star.
It is described to be passed for satellite data the present invention also provides a kind of floor synthetic test method for satellite data transmission
Defeated floor synthetic test method includes:
Satellite data transmission system is connect with floor synthetic test macro by wired mode or wireless mode, by multiple surveys
It tries to connect between equipment and measurement monitoring terminal by Ethernet switch；
During the test, the baseband processor configuration module in the measurement monitoring terminal, frequency converter configuration module, distant
Monitoring module, spectrum disposition module, real-time signal analysis configuration module and power meter configuration module are surveyed to corresponding test equipment
It is configured, under the support of the test equipment, satellite transmission, parsing payload data；Satellite telemetry is collected to be had
Effect load data and telemetry are transferred to the measurement monitoring terminal, the measurement monitoring under the support of the test equipment
Terminal receives and monitors payload data and telemetry.
In the floor synthetic test macro and method provided by the present invention for satellite data transmission, propose using multiple
The measurement monitoring terminal of configuration module, multiple configuration modules carry out automatic configuration to multiple test equipments respectively, realize test
Project all standing, have preferable practical value, can be promoted the use of in other ground testing systems, have preferable scalability with
High efficiency.The present invention can also be according to different test item demands, using different test equipment configuration softwares, in same terminal
The parameter for configuring each hardware device is conducive to ground and carries out dynamical system connection and test, further improves the efficiency of test.
Detailed description of the invention
Fig. 1 is the connection status diagram of floor synthetic test macro under the wired test mode of one embodiment of the invention；
Fig. 2 is the connection status diagram of floor synthetic test macro under another embodiment of the present invention wireless test state；
Fig. 3 is topological schematic diagram of the another embodiment of the present invention for the floor synthetic test macro of satellite data transmission；
Fig. 4 is the topological schematic diagram of another embodiment of the present invention measurement monitoring terminal；
It is as shown in the figure: 10- measurement monitoring terminal；11- baseband processor configuration module；12- frequency converter configuration module；13-
Measurement monitoring module；14- spectrum disposition module；15- real-time signal analysis configuration module；16- power meter configuration module；17-IO
Plug-in unit；20- Ethernet switch；21- network interface；22- test equipment；31- baseband processor；32- low-converter；33- believes in real time
Number analyzer；34- frequency spectrograph；35- power meter；41- simulation signal generator (satellite data transmission system)；42- receiving antenna；43-
Oscillograph；44- image real time transfer machine；45- high frequency cable；46- power splitter；47- high power attenuator；48- adjustable attenuator；
49- constant power attenuator；50- number passes ground inspection server；Examine comprehensive treatment device to 51-；52- data receiver processor；53-PC
Machine；61- power-supply system；The spaceborne control centre of 62-；63- load；71- number passes antenna；72- directional coupler.
Specific embodiment
The floor synthetic proposed by the present invention for satellite data transmission is tested below in conjunction with the drawings and specific embodiments
System and method is described in further detail.According to following explanation and claims, advantages and features of the invention will be more clear
Chu.It should be noted that attached drawing is all made of very simplified form and using non-accurate ratio, only to conveniently, lucidly
Aid in illustrating the purpose of the embodiment of the present invention.
Core of the invention thought is to provide a kind of floor synthetic test macro and method for satellite data transmission,
To solve the problems, such as that the existing floor synthetic testing efficiency for satellite data transmission is low.
To realize above-mentioned thought, the present invention provides a kind of for the floor synthetic test macro of satellite data transmission and side
Method, satellite data transmission system are connect with floor synthetic test macro by wired mode or wireless mode, described to be used for satellite
The floor synthetic test macro of data transmission includes multiple test equipments and measurement monitoring terminal, the test equipment with it is described distant
It surveys between monitoring terminal and is connected by Ethernet switch, in which: during the test, the measurement monitoring terminal sends remote control
Instruction, under the support of the test equipment, satellite completes corresponding operation according to the telecommand；Satellite telemetry is collected
Payload data and telemetry are also transferred to the measurement monitoring terminal, the telemetering under the support of the test equipment
Monitoring terminal receives and monitors payload data and telemetry；The measurement monitoring terminal includes baseband processor configuration mould
Block, frequency converter configuration module, measurement monitoring module, spectrum disposition module, real-time signal analysis configuration module and power meter configuration
Module.
, wireless test situation wired according to spaceborne high speed data transmission system, floor synthetic test macro state are different.No
Connection status with floor synthetic test macro under test mode is as shown in Fig. 1~2.Power-supply system 61, star are carried on satellite
Control centre 62 and load 63 are carried, satellite data transmission system 41 and floor synthetic test macro pass through wired or wireless mode
Connection.
(satellite data transmission system 41 is directly connect with high power attenuator 47), satellite equipment and ground under cable status
Test equipment can be between the test being closer, therefore can directly be operated to ground checkout equipment, not to ground test
Equipment is remotely controlled.And under wireless status (41 connection number of satellite data transmission system pass antenna 71, number pass antennas 71 with
Receiving antenna 42 carries out wireless communication, then is connect by directional coupler 72 with constant power attenuator 49), ground installation and star
The position of upper equipment changes.To improve testing efficiency, dynamic configuration test macro is needed.
Because there is specific input power range, 32 entrance power of low-converter in power device and signal transmission apparatus
Between -10~-60dbm, for 31 entrance power of baseband processor between -10~-50dbm, 34 entrance power of frequency spectrograph must be small
It is less than+30dbm mostly in the secondary accessory entrance power of+30dbm, radio frequency.Therefore under cable status and wireless status, link condition
It changes, equipment connection necessarily leads to variation.Ground installation position change brings the inconvenience of test.It is surveyed to improve
Efficiency is tried, dynamic configuration test macro is needed.
<embodiment one>
The present embodiment provides a kind of floor synthetic test macro for satellite data transmission, satellite data transmission system with
Floor synthetic test macro is connected by wired mode or wireless mode, as shown in figure 4, the ground for satellite data transmission
Face integrated test system includes multiple test equipments 22 and measurement monitoring terminal 10, the test equipment 22 and the measurement monitoring
It is connected between terminal 10 by Ethernet switch 20, in which: during the test, the measurement monitoring terminal 10 sends remote control
Instruction, under the support of the test equipment 22, satellite completes corresponding operation according to the telecommand；Satellite telemetry collects
Payload data and telemetry the measurement monitoring terminal 10, institute are also transferred under the support of the test equipment 22
Measurement monitoring terminal 10 is stated to receive and monitor payload data and telemetry；The measurement monitoring terminal 10 includes at base band
Reason device configuration module 11, frequency converter configuration module 12, measurement monitoring module 13, spectrum disposition module 14, real-time signal analysis are matched
Set module 15 and power meter configuration module 16.
As shown in figure 3, the multiple test is set in the floor synthetic test macro for satellite data transmission
Standby 22 include baseband processor 31, low-converter 32, power meter 35, frequency spectrograph 34 and real-time signal analyzer 33.Existing base
In spaceborne high speed data transmission system floor synthetic test system structure as shown in figure 3, the present embodiment in existing hardware base
On plinth, the software in system is configured.Specific hardware includes that the low-converter 32 is used under X frequency band signals become
Frequency arrives intermediate frequency, exports intermediate-freuqncy signal, is sent to the baseband processor 31；The baseband processor 31 is for carrying out reception survey
Examination, demodulation test emulate high code rate science test, remote sensing and telemetry application exploitation, by connecing to high-speed data signal
It receives and processing, received intermediate-freuqncy signal is demodulated, is decoded, is descrambled, bit synchronization and frame synchronization；The real-time signal analyzer
33 are used for data Real-time demodulation, show error vector magnitude (EVM), amplitude imbalance degree and the phase noise of signal, with detection
Radiofrequency signal quality；The power meter 35 has automatic amendment standard, amendment temperature and the function of correcting bandwidth, penetrates for testing
Frequency connects the power loss of equipment, and measurement power device output power；The 34 real-time detection spectrum signal shape of frequency spectrograph
State shows signal spectrum.
Specifically, in the floor synthetic test macro for satellite data transmission, the measurement monitoring terminal
10 further include IO plug-in unit 17, in which: 11 far call of the baseband processor configuration module modulation and coding strategy configuration interface,
Demodulation mode, decoding process and the storage mode of the baseband processor 31 are configured；The frequency converter configuration module 12
Configure the frequency point and dampening information of the low-converter 32；The measurement monitoring module 13 is for receiving and monitoring telemetry；
The spectrum disposition module 14 transfers the configuration interface of the frequency spectrograph 34 by the IO plug-in unit 17, to the frequency spectrograph 34
Frequency spectrum is configured；The real-time signal analysis configuration module 15 carries out the parameter configuration of the real-time signal analyzer 33；Institute
State the parameter configuration that power meter configuration module 16 carries out the power meter 35.In the satellite data transmission system development stage, need
Floor synthetic test macro completes every test, comprising: the floor synthetic test macro pair for satellite data transmission
Satellite is with carrying out the desktop test under cable status and EMC test, mechanical test and star under heat test and wireless status right
Connect test.
In addition, in the floor synthetic test macro for satellite data transmission, it is described to be passed for satellite data
Defeated floor synthetic test macro further includes that number examines server with passing, the test equipment 22 and the number pass ground inspection servers it
Between connected by Ethernet switch 20, it includes ground inspection comprehensive treatment device (deciphering machine) 51 sum number that the number, which passes ground inspection servers 50,
According to recipient processor 52, the processing, forwarding and storage operation of payload data are completed；The number passes ground inspection server operably
Software is examined, and by magnetic disc array storage data, examines software describedly and is used to parse data flow, by data flow framing, subpackage, then
It is transmitted to the measurement monitoring terminal 10.In the floor synthetic test macro for satellite data transmission, the base
Provided with processor 31, the low-converter 32, the power meter 35, the frequency spectrograph 34, the real-time signal analyzer 33 and institute
Examining server all has independent network interface 21 with stating number biography, and the power meter 35 and the frequency spectrograph 34 all have operation panel and soft
Part configuration interface.
Further, described to be used for satellite number in the floor synthetic test macro for satellite data transmission
The simulation signal generator from satellite data transmission system 41 is received according to the floor synthetic test macro of transmission, further includes receiving antenna
42, attached accessory is examined on oscillograph 43, image real time transfer machine 44 and ground, in which: examining attached accessory describedly includes high frequency cable 45, wave
Guiding coaxial converter, high-frequency adapter head, power splitter 46, high power attenuator 47, constant power attenuator 49 and adjustable attenuator
48。
For multichannel on star, high power, high speed data transmission system design, the present embodiment proposes a kind of new automatic
Change dynamic test system, by carrying out the configuration of corresponding software to test terminal, guarantees in different test conditions, different checkout areas
Under scape, effective functional performance test can be carried out to high power high speed data transfers system on star.
To sum up, above-described embodiment has carried out in detail the various configuration of the floor synthetic test macro for satellite data transmission
Describe in detail bright, certainly, the present invention includes but is not limited to configuration cited in above-mentioned implementation, any provided by the above embodiment
The content converted on the basis of configuration belongs to the range that the present invention is protected.Those skilled in the art can be according to above-mentioned
The content of embodiment is drawn inferences about other cases from one instance.
<embodiment two>
It is described to be passed for satellite data the present embodiment provides a kind of floor synthetic test method for satellite data transmission
Defeated floor synthetic test method includes: that satellite data transmission system 41 and floor synthetic test macro pass through wired mode or nothing
Line mode connects, and connects Ethernet switch 20 is passed through between multiple test equipments 22 and measurement monitoring terminal 10；It is testing
In the process, the baseband processor configuration module 11 in the measurement monitoring terminal 10, frequency converter configuration module 12, measurement monitoring mould
Block 13, spectrum disposition module 14, real-time signal analysis configuration module 15 and power meter configuration module 16 send various telecommands
Corresponding test equipment is configured, under the support of the test equipment 22, satellite is completed according to different telecommands
Corresponding operation, transmission, parsing payload data；The collected payload data of satellite telemetry and telemetry are also in institute
It states and is transferred to the measurement monitoring terminal 10 under the support of test equipment 22, the measurement monitoring terminal 10 is received and monitored effectively
Load data and telemetry.
Specifically, satellite high-speed data floor synthetic test macro receive simulation signal generator, and including receiving antenna 42,
Oscillograph 43, low-converter 32, baseband processor (HDR) 31, Ethernet switch 20, number pass ground inspection server 50, PC machine 53
(including measurement monitoring terminal 10), real-time signal analyzer 33, frequency spectrograph 34, power meter 35, examine attached accessory (including high-frequency electrical
It is cable 45, waveguide coaxial converter, high-frequency adapter head, power splitter 46, high power attenuator 47, constant power attenuator 49, adjustable
Attenuator 48) etc..
X frequency range low-converter 32 realizes the function that X frequency band signals are down-converted to intermediate frequency.It is mainly by digital control oscillation
The part such as device, frequency mixer, low-pass filter forms, the CF signal generated by numerically-controlled oscillator and the radio frequency received
Signal is mixed, then by low-pass filter, is finally exported intermediate-freuqncy signal, be sent to the subsequent baseband processing equipment such as HDR.Behaviour
Independent network interface can be had with manual setting radio frequency input value and pad value, equipment by making panel.
X baseband processor (HDR) 31 is mainly used for the floor synthetic test of satellite high-speed digital transmission system, main to complete to connect
It receives, demodulation test, emulate high code rate science, remote sensing and telemetry application exploitation.By its realization to high-speed data signal
It receives and processing is ground check system to intermediate-freuqncy signal realization demodulation, decoding, descrambling, bit synchronization, frame synchronization that downlink inputs
One of main component devices, equipment has independent network interface.
Number passes ground inspection server and operably examines software, and stores Large Volume Data by disk array, and ground inspection software can be with
Data flow is parsed, by its framing, subpackage, then is transmitted to backend application system, equipment has independent network interface 21.
Since number passes, radiofrequency signal transmission belt is roomy, needs the real-time signal analysis equipment of big bandwidth to carry out accordingly related
RF index, such as the measurement of EVM, amplitude imbalance degree and phase noise.Real-time signal analyzer 33 can realize that data are real-time
Demodulation, intuitive to show signal EVM, amplitude imbalance degree and phase noise, directly reflection radiofrequency signal quality, equipment has independent
Network interface.
Power meter 35 can realize high-precision, wide-range power test.High speed data transfer ground testing system uses
The N1912A of the Agilent of Agilent company has automatic standard, temperature and bandwidth debugging functions, and it is lesser can to test decaying
Radio frequency connects the power loss of equipment, can accurately measure high power device output power.With independent network interface 21, operating surface
Plate, software configuration interface.
Frequency spectrograph 34 can be shown signal spectrum, be had independent network interface 21, operating surface with real-time detection spectrum signal state
Plate, software configuration interface.
In routine data transfer test macro, telemetry monitoring terminal is only matched for checking on-board equipment state
For measurement monitoring interface.However the case where due to every kind of test, is different, the position of ground installation is all different.Therefore, this reality
Example is applied to propose to connect all devices into same local by Ethernet switch 20 by carrying out network topology, remote operation
In net, in the individually test each equipment of terminal operation, realizes dynamic operation test, complete test in maximum efficiency.
For above-mentioned comprehensive ground testing system, dynamic test network is needed to configure, is installed in telemetry monitoring terminal
Various remote softwares, software configuration situation are as shown in Figure 4.
As shown in figure 4, telemetry monitoring terminal can configure HDRMCS configuration software, frequency converter configuration software, frequency spectrum prison
It depending on configuration software, power meter configuration software, real-time signal analysis configuration software, measurement monitoring software and is moral IO plug-in unit etc..
HDRMCS configuration software HDR Monitor can far call MCS configuration interface, to HDR demodulation, decoding process, storage configuration.Become
Frequency device configuration software can configure frequency point and dampening information.It is being on moral IO plug-in unit installation foundation, spectral monitoring configuration software can
With synchronizer configuration interface, frequency spectrum is accordingly arranged.Power meter configuration software BenchVue can carry out power measurement
Software configuration.Real-time signal analysis configuration software can carry out real-time signal analysis configuration.It, can be in telemetry monitoring terminal
Multiple hardware devices are configured and are operated simultaneously, accelerate test process.
In the floor synthetic test macro and method provided by the present invention for satellite data transmission, propose using multiple
The measurement monitoring terminal 10 of configuration module, multiple configuration modules carry out automatic configuration to multiple test equipments 22 respectively, realize
Test item all standing has preferable practical value, can promote the use of in other ground testing systems, has preferable extension
Property and high efficiency.The present invention can also be according to different test item demands, using different 22 configuration softwares of test equipment, same
One terminal configures the parameter of each hardware device, is conducive to ground and carries out dynamical system connection and test, further improves test
Efficiency.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For system disclosed in embodiment
For, due to corresponding to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (9)
1. a kind of floor synthetic test macro for satellite data transmission, satellite data transmission system and floor synthetic test are
System is connected by wired mode or wireless mode, which is characterized in that the floor synthetic for satellite data transmission tests system
System includes multiple test equipments and measurement monitoring terminal, passes through Ethernet between the test equipment and the measurement monitoring terminal
Interchanger connection, in which:
During the test, the measurement monitoring terminal sends telecommand, under the support of the test equipment, satellite according to
The telecommand completes corresponding operation；The collected payload data of satellite telemetry and telemetry are also set in the test
The measurement monitoring terminal is transferred under standby support, the measurement monitoring terminal receives and monitor payload data and telemetering
Data；
The measurement monitoring terminal includes that baseband processor configuration module, frequency converter configuration module, measurement monitoring module, frequency spectrum are matched
Set module, real-time signal analysis configuration module and power meter configuration module.
2. being used for the floor synthetic test macro of satellite data transmission as described in claim 1, which is characterized in that the multiple
Test equipment includes baseband processor, low-converter, power meter, frequency spectrograph and real-time signal analyzer.
3. being used for the floor synthetic test macro of satellite data transmission as claimed in claim 2, which is characterized in that the telemetering
Monitoring terminal further includes IO plug-in unit, in which:
The baseband processor configuration module far call modulation and coding strategy configuration interface, to the solution of the baseband processor
Tune mode, decoding process and storage mode are configured；
The frequency converter configuration module configures the frequency point and dampening information of the low-converter；
The measurement monitoring module is for receiving and monitoring telemetry；
The spectrum disposition module transfers the configuration interface of the frequency spectrograph by the IO plug-in unit, to the frequency spectrum of the frequency spectrograph
It is configured；
The real-time signal analysis configuration module carries out the parameter configuration of the real-time signal analyzer；
The power meter configuration module carries out the parameter configuration of the power meter.
4. being used for the floor synthetic test macro of satellite data transmission as claimed in claim 2, which is characterized in that
The low-converter is down-converted to intermediate frequency for X frequency band signals, exports intermediate-freuqncy signal, is sent to the baseband processor；
The baseband processor is for carrying out reception test, demodulation test, emulating high code rate science test, remote sensing and remote measurement application
Data mining demodulates received intermediate-freuqncy signal, is decoded, being descrambled, position by the reception and processing to high-speed data signal
Synchronous and frame synchronization；
The real-time signal analyzer is used for data Real-time demodulation, show the error vector magnitude of signal, amplitude imbalance degree and
Phase noise, to detect radiofrequency signal quality；
The power meter has automatic amendment standard, amendment temperature and the function of correcting bandwidth, for testing radio frequency connection equipment
Power loss, and measurement power device output power；
The frequency spectrograph real-time detection spectrum signal state shows signal spectrum.
5. being used for the floor synthetic test macro of satellite data transmission as claimed in claim 4, which is characterized in that described to be used for
The floor synthetic test macro of satellite data transmission further includes that number examines server with passing, and the test equipment and the number pass ground inspection
It is connected between server by Ethernet switch, the number passes ground inspection server and completes the processing of payload data, forwarding
It is operated with storage；
The number passes ground inspection server and operably examines software, and by magnetic disc array storage data, examines software describedly for solving
Data flow is analysed, by data flow framing, subpackage, then is transmitted to the measurement monitoring terminal.
6. being used for the floor synthetic test macro of satellite data transmission as claimed in claim 5, which is characterized in that the base band
Processor, the low-converter, the power meter, the frequency spectrograph, the real-time signal analyzer and the number pass ground inspection clothes
Business device all has independent network interface, and the power meter and the frequency spectrograph all have operation panel and software configuration interface.
7. being used for the floor synthetic test macro of satellite data transmission as described in claim 1, which is characterized in that described to be used for
The floor synthetic test macro of satellite data transmission receives the simulation signal generator from satellite data transmission system, further includes receiving
Attached accessory is examined on antenna, oscillograph, image real time transfer machine and ground, in which:
Examine describedly attached accessory include high frequency cable, waveguide coaxial converter, high-frequency adapter head, power splitter, high power attenuator,
Constant power attenuator and adjustable attenuator.
8. being used for the floor synthetic test macro of satellite data transmission as described in claim 1, which is characterized in that
The floor synthetic test macro for satellite data transmission carries out desktop test and heat under cable status to satellite
EMC test under test and wireless status docks test to mechanical test and star.
9. a kind of floor synthetic test method for satellite data transmission, which is characterized in that described to be used for satellite data transmission
Floor synthetic test method include:
Satellite data transmission system is connect with floor synthetic test macro by wired mode or wireless mode, and multiple tests are set
It is standby to be connected between measurement monitoring terminal by Ethernet switch；
During the test, the baseband processor configuration module in the measurement monitoring terminal, frequency converter configuration module, telemetering prison
Corresponding test equipment is carried out depending on module, spectrum disposition module, real-time signal analysis configuration module and power meter configuration module
Configuration, under the support of the test equipment, satellite transmission, parsing payload data；The collected effective load of satellite telemetry
Lotus data and telemetry are transferred to the measurement monitoring terminal, the measurement monitoring terminal under the support of the test equipment
Receive and monitor payload data and telemetry.
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| CN201910431723.XA CN110138442B (en) | 2019-05-23 | 2019-05-23 | Ground comprehensive test system and method for satellite data transmission |
| CN202110540643.5A CN113315566B (en) | 2019-05-23 | 2019-05-23 | Satellite ground comprehensive test system |
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| CN112532307B (en) * | 2020-11-30 | 2022-07-29 | 中国空间技术研究院 | High-throughput satellite payload in-orbit testing system and method |
| CN112532307A (en) * | 2020-11-30 | 2021-03-19 | 中国空间技术研究院 | High-throughput satellite payload in-orbit testing system and method |
| CN112910542A (en) * | 2021-01-25 | 2021-06-04 | 航天科工空间工程发展有限公司 | Measure and control ground detection equipment and system |
| CN113113772B (en) * | 2021-04-06 | 2022-08-19 | 上海航天测控通信研究所 | Waveguide antenna adapter for satellite wireless test |
| CN113113772A (en) * | 2021-04-06 | 2021-07-13 | 上海航天测控通信研究所 | Waveguide antenna adapter for satellite wireless test |
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| CN114499637A (en) * | 2021-12-28 | 2022-05-13 | 中国科学院空天信息创新研究院 | Method and system for implementing data transmission satellite-ground butt joint between ground receiving station and satellite |
| CN114499637B (en) * | 2021-12-28 | 2024-03-01 | 中国科学院空天信息创新研究院 | Method and system for implementing data transmission satellite-ground docking between ground receiving station and satellite |
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| CN114070386B (en) * | 2022-01-17 | 2022-04-26 | 成都国星宇航科技有限公司 | Satellite-borne Ethernet communication system |
| CN114070386A (en) * | 2022-01-17 | 2022-02-18 | 成都国星宇航科技有限公司 | Satellite-borne Ethernet communication system |
| CN114422053A (en) * | 2022-03-28 | 2022-04-29 | 成都锢德科技有限公司 | Automatic monitoring and analyzing equipment for satellite signals |
| CN116155422A (en) * | 2023-04-18 | 2023-05-23 | 中科星图测控技术股份有限公司 | Satellite measurement and control equipment simulation test system based on LabView |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110138442B (en) | 2021-05-25 |
| CN113315566B (en) | 2023-03-24 |
| CN113315566A (en) | 2021-08-27 |
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