CN108804490A - A kind of satellite test historical data intelligent inquiry system - Google Patents
A kind of satellite test historical data intelligent inquiry system Download PDFInfo
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Abstract
A kind of satellite test historical data intelligent inquiry system, including parallel query module, functional configuration module, query template maintenance module, telemetry parameter characteristic value statistical module, telecommand statistical module, device power-on time statistical module, data and curves visualization model, data pick wild module, intelligent interpretation comparing module, query time progress display module, query history logging modle automatically.
Description
Technical field
The present invention relates to spacecraft ground testing field, especially a kind of satellite test historical data intelligent inquiry system.
Background technology
Satellite comprehensive testing refers to testing the electric function and performance of satellite development phases, verifies its performance and refers to
Mark, whether functional parameter meets design requirement, is the important component in satellite development process.With satellite platform technology
Great-leap-forward development, the telemetry parameter and telecommand quantity that the satellite AIT stages are related to are significantly increased, therefore, in ground test mistake
The test data of magnanimity will be generated in journey, how fast and efficiently to be inquired development stage test history data, is realized test data
Recycle, ensure that the reliability of test data and validity seem particularly significant.
Current data inquiry system cannot be satisfied the needs that existing satellite develops flow, be embodied in：
(1) statistical function is single
Current data inquiry system can only show the essential information of satellite telemetry parameters and telecommand according to sequential, not have
The statistical function of the crucial test datas such as standby important equipment power-up time, telemetry parameter characteristic value, instruction transmission situation.
(2) search efficiency is relatively low
Current data inquiry system is not only time-consuming longer, and does not support the parallel query of multi-class data.With certain satellite
For platform courses, propulsion subsystem, completing the query statistic of certain development stage (20 days or so) test history data often needs
The time for wanting labor intensive a couple of days seriously affects the timeliness of data interpretation.
(3) operability is not high
For the same satellite model, the test history data of each all previous needs inquiry of subsystem are substantially stationary.Currently
Data query system needs to repeat configuration querying content, does not have the memory function of user's query process, durability, utility compared with
It is low.
(4) visualization is poor
When showing the telemetry parameter curve of different number grade simultaneously, due to the limitation of reference axis setting, current data
Inquiry system can not observe the curvilinear motion situation of test data simultaneously.
(5) the degree of automation is relatively low
Due to factors such as the complexity of design of satellites, the variability of test process, the inconsistencies of test environment, number is tested
According to that there can be a certain number of outlier, the validity and reliability of data interpretation is seriously affected.Current data inquiry system does not have
Standby data shave wild function, and manual analysis workload is heavy, and interpretation spreadability is not complete, the matter such as fail to judge, judge by accident caused by human factor
Amount problem happens occasionally.Meanwhile it in existing satellite develops flow, especially launching site " four the look into two ratios " stage, needing to phase
Same satellite platform, different satellite models, the test data of different test phases carry out interpretation comparison, at present mainly by artificial complete
At means are relatively simple, not only increase human cost, also increase the insufficient risk of interpretation.
Invention content
Present invention solves the technical problem that being：A kind of satellite test historical data is overcome the deficiencies of the prior art and provide
Intelligent inquiry system, for current Historical Data Inquiry System user experience is poor, the degree of automation is low, data interpretation is unreliable
Etc. key problems, the working efficiency of lifting system enhance the completeness and efficiency of data interpretation, meet growing model
Mission requirements.
Technical solution of the invention is：A kind of satellite test historical data intelligent inquiry system, including parallel query
Module, query template maintenance module, telemetry parameter characteristic value statistical module, telecommand statistical module, is set functional configuration module
Standby power-up time statistical module, data and curves visualization model, data pick wild module, intelligent interpretation comparing module, inquiry automatically
Time schedule display module, query history logging modle；
Parallel query module carries out more of same type Multitask Data, different type parallel by way of multithreading
The inquiry for data of being engaged in；The type includes that telemetering, remote control, device power-on, data and curves are shown；The task includes distant
Survey, remote control, device power-on, data and curves show corresponding query time section or data volume；
Functional configuration module, according to external command to telemetry parameter characteristic value statistical module, telecommand statistical module or
Person's device power-on time statistical module configures, and imports the corresponding query template of modules；The telemetry parameter is special
Value indicative statistical module query template include master control serial number, query argument code name, query argument title, query argument scope of statistics,
Inquiry constraints, query argument pick wild strategy；The telecommand statistical module query template include inquiry instruction code name,
Inquiry instruction title, inquiry instruction transmission times, inquiry instruction recycle time；The device power-on time statistical module inquiry
Template includes powered device single machine title, powering state parameter name, the powering state parameter frequency of occurrences, power-up criterion；
Query template maintenance module refers to telemetry parameter characteristic value statistical module query template, remote control according to external command
Statistical module query template, device power-on time statistical module query template is enabled to carry out online or offline maintenance editor；
Telemetry parameter characteristic value statistical module reads telemetry parameter characteristic value statistical module according to external command and inquires mould
Plate is united according to query argument code name, query argument title, the query argument in telemetry parameter characteristic value statistical module query template
Meter range, inquiry constraints, query argument pick wild strategy, obtain maximum value, the minimum value of corresponding scope of statistics intrinsic parameter with
And maximum value, the minimum value of the outer parameter of scope of statistics, and position the corresponding position of each statistical parameter, time, number；
Telecommand statistical module, statistics ground are sent to the telecommand of satellite；The telecommand includes direct
Instruction, indirect instruction；
Device power-on time statistical module is chosen and characterizes the telemetry parameter that each equipment adds off-position, then by telemetering
The Discrete Change of parametric statistics is fitted to consecutive variations, and accurately statistics rising edge obtains equipment to the duration of failing edge
Power-up time；
Different number grade is supported in data and curves visualization model, the drafting and visualization of the multiple telemetries of Parallel Implementation
Telemetry parameter curve, multiple curve X-axis time coordinates are consistent, Y-axis numerical coordinates adaptive change, and each telemetering curve has contracting
Function of browse and segmentation browsing are put, while information real-time display is supported at telemetering curve arbitrary number strong point；
Data pick wild module automatically, including three kinds of data pick wild strategy, wherein：Instruction filtering is rejected telecommand and is sent
Telemetry in N seconds afterwards, is not counted in query result, and N is positive integer；Small probability filters, and the whole star test phase of satellite is occurred
Telemetry no more than M times is rejected, and M is positive integer；Detailed survey filters, and is realized to particular point in time or spy according to external command
Location survey tries information or the corresponding telemetry parameter of specific telecommand is rejected；
Intelligent interpretation comparing module is inquired corresponding telemetry according to external command, and is sent to external database platform,
Enable comparison of the database platform to different satellite models, different test phase data, and control database platform with
Excel data files export；
Query time progress display module, in telemetry parameter query process real-time display current queries operating process when
Between；
Query history logging modle, telemetry parameter inquiry instruction or query result before memory storage are realized and are searched
Or repeat historical query task.
The query template maintenance module looks into telemetry parameter characteristic value statistical module by excel according to external command
It askes template, telecommand statistical module query template, device power-on time statistical module query template to be imported, and according to outer
Portion's instruction looks into telemetry parameter characteristic value statistical module query template, telecommand statistical module with data by excel
Ask template, the export of device power-on time statistical module query template.
The corresponding variation strategy of multiple curve Y-axis numerical coordinates adaptive changes of the data and curves visualization model
It is that coordinate bound reserves 10% blank again according to the maximum value and minimum value of data.
The intelligent inquiry system uses three layers of Design of Software Framework, including expression layer, Business Logic, data access
Layer, wherein expression layer is realized and the UI of user interactions, data are shown, Business Logic completes data exchange, and is advised according to business
Formulation and operation flow then encapsulates service, judges the service called and querying method, data access layer according to external command
Realize the access of database.
The data access layer realizes the access function of database using the ADO.net that .net is provided.
The advantages of the present invention over the prior art are that：
(1) it has a single function compared with prior art, the present invention efficiently solving current Historical Data Inquiry System, inquire effect
The problem that rate is low, the degree of automation is relatively low, user experience is poor controls propulsion subsystem heat test rank with certain satellite model
For 10 days the inquiry of historical data of section, measures of effectiveness is carried out, includes mainly telemetry parameter feature Data-Statistics, device power-on time
Statistics, telecommand statistics, data interpretation compare, data and curves check five aspects, complete the statistics of set significant data, sentence
It reads and compares, traditional approach needs 465 minutes/people, and present invention only requires 35 minutes/people, the mode of checking of data and curves had more
Hommization, more than 10 times of improved efficiency；
(2) present invention realizes the intelligent interpretation and automatic comparison of data, reduces the link of manpower intervention processing, prevents artificial
The generation of quality problems；
(3) present invention has preferable scalability and portability, can be applied to all grinding satellite platform and type
Number task.Meanwhile can be applied to the in-orbit management of satellite, for the in-orbit data of satellite provide an efficient query statistic,
The effective means of intellectual analysis interpretation.
Description of the drawings
Fig. 1 is system architecture diagram；
Fig. 2 is system processing logic figure；
Fig. 3 is system data flow graph；
Fig. 4 is system operational flow diagram；
Fig. 5 is satellite AIT phase instruction transmission process schematic diagrames.
Specific implementation mode
In view of the deficiencies of the prior art, the present invention proposes a kind of satellite test historical data intelligent inquiry systems, using three
Layer Design of Software Framework, respectively expression layer, Business Logic and data access layer, as shown in Figure 1.Wherein, expression layer is in
Top layer the functions such as shows for realizing the UI interactions with user, data.Business Logic is realization core valence in system architecture
The part of value, the layer are among data access layer and expression layer, play the role of forming a connecting link for data exchange.Service logic
Layer encapsulates multinomial service, can be sentenced according to the inquiry instruction of user according to the formulation of business rule and the realization of operation flow
It is disconnected to call corresponding service and querying method.By the logic implementations of Web Service, Business Logic and table are realized
Show the lower coupling between layer.Data access layer is then responsible for the access of database, and the ADO.net that this layer is provided using .net can
To conveniently realize the access function of database.
In order to improve the search efficiency of data, system uses the operating mode of multithreading, and the access of database is read and visitor
The data at family end show and concurrently execute.By the SQL statement compiled in advance, system can be established quickly and be stored in the database
Journey is inquired.Meanwhile by establishing the methods of index, Optimizing Queries sentence in the database, it is ensured that satellite AIT stage magnanimity numbers
According to search efficiency.System processing logic flow is as shown in Figure 2.
System data flow as shown in figure 3, satellite telemetering data by remote measuring and controlling all-in-one machine (TBOX) complete modulation /demodulation,
Main test handler (MTP) carries out dissection process and broadcast, the broadcast of data storage server (DSS) real-time reception to telemetry
Test data and test information and store storage, data query system reading database server data and can be shown at any time
Query result.
Fig. 4 provides the operating process of system, and user edits, loads query configuration template according to actual needs, and selection is corresponding
Query function, complete the statistics of related data and export use.Meanwhile can one-touch push query result to integration collect
At test platform, interpretation comparison is carried out to same satellite platform, different satellite models, the data of different test phases.
In conjunction with different satellite platforms, the data query feature of different subsystems, it then follows " functionalization, high efficiency, intelligence "
Design concept, be different from current Historical Data Inquiry System, this system has following functions：
(1) parallel query function
Same type multitask, the inquiry of different type multi-task parallel may be implemented in system.
(2) disposable configuration feature
In the query task starting stage, system can disposably be configured according to satellite model feature, while editing,
Query template needed for importing, subsequent query process are configured without repeating.
(3) query template editor, importing, export function
System has been standardized query template according to the different characteristics of historical data to be checked, can be imported by EXCEL formats,
Export.Telemetry parameter characteristic value query template includes mainly master control serial number, parameter code name, parameter name, scope of statistics, constraint item
Part and pick wild tactful six aspect contents.Master control serial number, parameter code name and the mutual auto-associating of parameter name only need to edit wherein one
Item content.Scope of statistics refers to the query context of parameter to be checked, generally according to telemetry parameter interpretation criterion into edlin.Constrain item
Part refers to the precondition that system carries out query task, is editor's criterion with actual test operating mode and relevant parameter state, can have
Falsity, wrong value under effect rejecting damage.The elimination method that wild strategy refers to the telemetry parameter outlier that system provides is picked, by
User selects editor.Instructions query template is mainly including in coded instructions, four aspect of instruction name, transmission times and recycle time
Hold.Device power-on time inquiring template includes mainly single machine title, parameter name, the frequency of occurrences and powers up in four aspect of criterion
Hold.Wherein, parameter name refers to the telemetry parameter for characterizing equipment and adding off-position.The frequency of occurrences refers to rising edge and failing edge
Duration criterion.Power up the constraints of criterion specified devices powering state.
(4) telemetry parameter characteristic value statistical function
System can count maximum value and minimum value information in query context according to query configuration, while provide statistics
Characteristic value information outside range is for interpretation reference.When query result does not meet interpretation principle states bound, can pass through
Check that data are further analyzed in this feature value occurrence number and time of occurrence position.
(5) telecommand statistical function
Satellite AIT stages telecommand is sent out by automatic test software, is forwarded to TBOX through MTP, is sent by TBOX
To satellite remote control remote unit (TTU), the control to satellite is realized, as shown in Figure 5.Wherein, direct instruction carries out big ring comparison,
Indirect instruction compared from ring, and all successful informations for having sent instruction are back to MTP and stored to data service by TBOX
Device.System realizes that instruction sends the statistical function of situation by counting the transmission times instructed in the information and recycle time.
(6) device power-on time statistical function
Using the satellite platform of frame telemetry format, the frequency that each of which telemetry parameter passes down is substantially stationary, such as fast frame telemetering
Parameter passes 1 time under each sampling period, is passed 1 time under slow frame telemetry parameter every 16 sampling periods；Using defending for packet telemetry format
Star platform, the frequency that each telemetry parameter passes down is related with the enabled quantity passed down of PK packets, no evident regularity.According to the above spy
Property, system selection can characterize the telemetry parameter that equipment adds off-position, the Discrete Change of timing statistics intrinsic parameter is fitted to
Consecutive variations, the accurate rising edge that counts is to the duration of failing edge, the as power-up time of equipment.Rising edge and failing edge
Basis for estimation is the power up down state certain time of parameter, and the time is by User Defined.
(7) data and curves visualization function
System has drafting and the visualization function of data, supports to show while different number grade telemetry parameter curve,
I.e. multiple curve X-axis time coordinates are consistent, Y-axis numerical coordinates adaptive change, and variation strategy is coordinate bound according to data
Maximum value and minimum value again reserve 10% blank.Meanwhile the scaling function of browse of system offer curves, curve can be carried out
Amplification and restoring operation, and the thumbnail of complete curve is provided, the information real-time display of arbitrary data point on curve is convenient to song
Line carries out segmentation browsing.
(8) data pick wild function automatically
In the satellite AIT stages, the variation of test mode will lead to telemetry parameter, and there are mess code, improper saltus step etc. are false
Situation.Therefore, it needs to carry out analysis interpretation to all outlier during inquiring test data, rationally reject.By to not
Actual test process with satellite platform is analyzed and is summarized, in fact it could happen that the case where outlier has following several：
The switching of a telemetry subsystem states, configuration switching, bright close state switching；
B data handling subsystem states switch；
C integrated electronics subsystem states switch；
D satellites power up initial procedure；
E control subsystem equipment components add power process；
F controls subsystem part special operation condition.
For above-mentioned operating mode, system devises three kinds and picks wild strategy：
A instruction filterings：System rejects the telemetry in N seconds after part instruction is sent, and is not counted in query result.According to not
The characteristics of same satellite platform, different satellite subsystems, determines the command content for needing to filter and N value sizes.
B small probabilities filter：According to actual test experience, the telemetry that the satellite AIT stages only occur 1-2 times is basic
For outlier, therefore system rejects the statistical value less than certain number, which is determined by actual conditions.
C detailed surveies filter：System provides detailed survey and picks wild strategy, can check the test information before and after outlier corresponds to time point,
The specific measurement conditions such as instruction, association telemetry parameter, which have been sent, by analysis determines whether outlier data are effective.
(9) intelligent interpretation comparison function
System provides the data interaction interface with the integrated test platform of existing satellite, can be by telemetry parameter feature
Data-Statistics result is one-touch to push to the platform.It can have been pushed away with real time inspection in the data analysis management module of unified platform
The data query result sent, selection need the history model compared and test phase, same test data can be realized in difference
Automatic comparison under operating mode and intelligent interpretation.Comparing here includes not only same satellite model, different test phase data
It is longitudinal to compare, further include the lateral comparison of same satellite platform, different satellite models.Unified platform can not will meet interpretation standard
Special marking is then carried out with the larger data of mutual otherness, and is checked for artificial export with the format of Excel data files.
(10) query time/progress display function
System real-time display query procedure information, main includes inquiry time used and inquiry progress.
(11) query history writing function
System automatically records the type and content of each query task, with real-time searching or can repeat historical query task.
Specific implementation step of the present invention is as follows：
(1) system is disposably configured
Before the satellite AIT stages start, the disposable relevant information for configuring satellite model and test database includes mainly
Satellite designation, database IP address, query display mode etc., subsequent query is in the process without repeating to configure.
(2) it selects, edit query template
According to query task demand, corresponding query template is selected.Meanwhile in conjunction with the telemetry parameter of different satellite models and
The characteristics of telecommand, edits query template as required.It particularly, should be according to reality in telemetry parameter characteristic value query template
Wild strategy is shaved in border demand selection accordingly.
(3) instruction filtering profile (optional) is imported
If the instruction filtering in wild strategy is shaved in selection, need additionally to import the instruction for needing to filter.
(4) query template is imported, inquiry is completed
The query template that editor completes is imported, inquiry button is clicked, waits completion to be checked, can be looked into real time in query process
See inquiry progress and time.
(5) curve is shown
Data and curves are browsed, the curve of different number grade is split, are shown under identical abscissa, different ordinates
Multiple curves.Meanwhile positioning the arbitrary region of big data quantity lower curve rapidly using thumbnail information, curve is zoomed in and out and is looked into
It sees.
(6) data intelligence interpretation
Push integration is clicked, log-on message is inputted in pop-up, is pushed away telemetry parameter characteristic value statistical result is one-touch
It send to integrated test platform.Integrated test platform is logged in IE browser, can check same satellite type
Number, the longitudinal of different test phase data compare and the lateral comparison result of same satellite platform, different satellite models.
(7) derived query result
Query result and intelligent interpretation result are exported with EXCEL formats.
(8) check that historical query records
It can check that historical query records in historical conditions module, if wanting to repeat historical query, without configuration, direct point
It hits the record and completes inquiry.
(9) it is configured after satellite change
If satellite technology state is changed, it is only necessary to carry out adaptation to system configuration and query template.
(10) satellite in orbit data analysis
Satellite in orbit data are stored in corresponding data server, step (1) to (7) is executed and in-orbit defend can be completed
The inquiry and analysis work of sing data.
(11) advantageous effect details are as shown in the table.
The content that description in the present invention is not described in detail belongs to the known technology of those skilled in the art.
Claims (5)
1. a kind of satellite test historical data intelligent inquiry system, it is characterised in that including parallel query module, functional configuration mould
Block, query template maintenance module, telemetry parameter characteristic value statistical module, telecommand statistical module, device power-on time statistics
Module, data and curves visualization model, data pick wild module, intelligent interpretation comparing module, query time progress and show mould automatically
Block, query history logging modle；
Parallel query module carries out same type Multitask Data, different type multitask number parallel by way of multithreading
According to inquiry；The type includes that telemetering, remote control, device power-on, data and curves are shown；The task includes telemetering, distant
Control, device power-on, data and curves show corresponding query time section or data volume；
Functional configuration module to telemetry parameter characteristic value statistical module, telecommand statistical module or is set according to external command
Standby power-up time statistical module is configured, and imports the corresponding query template of modules；The telemetry parameter characteristic value
Statistical module query template includes master control serial number, query argument code name, query argument title, query argument scope of statistics, inquiry
Constraints, query argument pick wild strategy；The telecommand statistical module query template includes inquiry instruction code name, inquiry
Instruction name, inquiry instruction transmission times, inquiry instruction recycle time；The device power-on time statistical module query template
Including powered device single machine title, powering state parameter name, the powering state parameter frequency of occurrences, power-up criterion；
Query template maintenance module unites to telemetry parameter characteristic value statistical module query template, telecommand according to external command
Meter module polls template, device power-on time statistical module query template carry out online or offline maintenance editor；
Telemetry parameter characteristic value statistical module reads telemetry parameter characteristic value statistical module query template, root according to external command
Model is counted according to query argument code name, query argument title, the query argument in telemetry parameter characteristic value statistical module query template
Enclose, inquire constraints, query argument picks wild strategy, obtain maximum value, minimum value and the system of corresponding scope of statistics intrinsic parameter
Maximum value, the minimum value of the outer parameter of range are counted, and positions the corresponding position of each statistical parameter, time, number；
Telecommand statistical module, statistics ground are sent to the telecommand of satellite；The telecommand include direct instruction,
Indirect instruction；
Device power-on time statistical module is chosen and characterizes the telemetry parameter that each equipment adds off-position, then by telemetry parameter
The Discrete Change of statistics is fitted to consecutive variations, and accurately statistics rising edge obtains device power-on to the duration of failing edge
Time；
Different number grade telemetering is supported in data and curves visualization model, the drafting and visualization of the multiple telemetries of Parallel Implementation
Parameter curve, multiple curve X-axis time coordinates are consistent, Y-axis numerical coordinates adaptive change, and each telemetering curve has scaling clear
Look at function and segmentation browsing, while telemetering curve arbitrary number strong point support information real-time display；
Data pick wild module automatically, including three kinds of data pick wild strategy, wherein：Instruction filtering is rejected after telecommand is sent N seconds
Interior telemetry, is not counted in query result, and N is positive integer；Small probability filters, and the whole star test phase of satellite is not more than
M telemetry is rejected, and M is positive integer；Detailed survey filters, and is realized to particular point in time or fc-specific test FC according to external command
Information or the corresponding telemetry parameter of specific telecommand are rejected；
Intelligent interpretation comparing module is inquired corresponding telemetry according to external command, and is sent to external database platform so that
Database platform can be to the comparison of different satellite models, different test phase data, and platform of controlling database is with Excel numbers
It is exported according to file；
Query time progress display module, the time of real-time display current queries operating process in telemetry parameter query process；
Query history logging modle, telemetry parameter inquiry instruction or query result before memory storage are realized and are searched or again
Multiple historical query task.
2. a kind of satellite test historical data intelligent inquiry system according to claim 1, it is characterised in that：Described looks into
Inquiry template maintenance module is according to external command by excel to telemetry parameter characteristic value statistical module query template, telecommand
Statistical module query template, device power-on time statistical module query template are imported, and pass through excel according to external command
To the telemetry parameter characteristic value statistical module query template with data, telecommand statistical module query template, device power-on
Time statistical module query template exports.
3. a kind of satellite test historical data intelligent inquiry system according to claim 1 or 2, it is characterised in that：It is described
The corresponding variation strategy of multiple curve Y-axis numerical coordinates adaptive changes of data and curves visualization model be coordinate bound
10% blank is reserved again according to the maximum value and minimum value of data.
4. a kind of satellite test historical data intelligent inquiry system according to claim 1 or 2, it is characterised in that：It is described
Intelligent inquiry system use three layers of Design of Software Framework, including expression layer, Business Logic, data access layer, wherein indicate
Layer is realized and the UI of user interactions, data are shown, Business Logic completes data exchange, and according to the formulation of business rule and industry
Business flow encapsulates service, judges that database is realized in the service called and querying method, data access layer according to external command
It accesses.
5. a kind of satellite test historical data intelligent inquiry system according to claim 4, it is characterised in that：The number
The access function of database is realized using the ADO.net that .net is provided according to access layer.
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| CN106569054A (en) * | 2016-10-14 | 2017-04-19 | 上海微小卫星工程中心 | Multi-satellite asynchronous intelligent test system |
| CN107193847A (en) * | 2016-03-15 | 2017-09-22 | 阿里巴巴集团控股有限公司 | A kind of querying method and device of satellite real-time track information |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060145916A1 (en) * | 2001-12-31 | 2006-07-06 | Rdp Associates, Incorporated | Satellite positioning system enabled media measurement system and method |
| CN103957134A (en) * | 2014-04-22 | 2014-07-30 | 航天恒星科技有限公司 | Modular configurable telemetry parameter analyzing and processing system |
| CN104281678A (en) * | 2014-09-29 | 2015-01-14 | 航天东方红卫星有限公司 | Intelligent moonlet state monitoring system |
| CN107193847A (en) * | 2016-03-15 | 2017-09-22 | 阿里巴巴集团控股有限公司 | A kind of querying method and device of satellite real-time track information |
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