CN104202182B - The in-orbit reconstructing method of satellite system based on Information hiding - Google Patents
The in-orbit reconstructing method of satellite system based on Information hiding Download PDFInfo
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Abstract
The in-orbit reconstructing method of satellite system based on Information hiding, generates configuration file according to user's request and downloads in the FPGA of on-board processing unit, and completing step includes：(1) configuration file is generated according to user's request；(2) data transfer operation is reconstructed：Profile data is hidden in the data frame of data link transmission by floor control center, and is sent to control unit completion data verification on control unit on star, star, is extracted and store；(3) reconstructed operation：The restructuring directive sent according to floor control center opens operation, the configuration file that control unit on star is stored is downloaded in the FPGA of on-board processing unit, profile data is hidden in the data frame that the inventive method is sent by data link channel, the new functional requirement of user can not be flexibly applied to and operation is reconstructed using telemetering channel to cause message transmission rate low and the problem of poor real by solving existing satellite system.
Description
Technical field
The present invention relates to technical field of satellite communication, the more particularly to in-orbit reconstruct side of the satellite system based on Information hiding
Method.
Background technology
It has been determined that the realization of its function is by On-Star system at the beginning of the Functional Design of existing satellite processing system
Configuration file in FPGA load store devices is completed, and the configuration file realizes the function of satellite system.Configuration file is being defended
Had been cured before star transmitting in memory, therefore when user has new functional requirement, the satellite can not be by changing itself
Program realize new function, it is impossible to meet require.Existing reconstructing method enters line number using satellite remote control telemetering channel simultaneously
According to transmission, transmission rate is low and poor real, it is impossible to meet the transmission requirement of configuration file.
In summary, existing satellite system can not be flexibly applied to the new functional requirement of user, and therefore, the present invention is proposed
A kind of in-orbit reconstructing method of satellite system based on Information hiding, this method passes through information when user has new functional requirement
Configuration file is hidden in the control unit being sent in data link in satellite system by hidden algorithm, and control unit, which is extracted, matches somebody with somebody
Put file and write in memory, floor control center sends telecommand to control unit, and new configuration file is added again
In the FPGA for being downloaded to on-board processing unit, the change of satellite system function is realized, so as to realize the in-orbit reconstruct of On-Star system.
(1) consulting literatures, search for " Information hiding ", " satellite system " and " reconstruct " in database, do not find correlation
Scientific paper.
(2) documents such as external report are consulted, search for " Information Hiding ", " Satellite System ",
" Reconfigure ", does not find related article.
(3) patent database is consulted, searches for " Information hiding ", " satellite system " and " reconstruct ", does not find Patents.
(4) searched in patent database " Information Hiding ", " Satellite System ",
" Reconfigure ", does not find Patents.
According to existing disclosed data check, current satellite system can not be flexibly adapted to because of the demand of user, and
And it is reconstructed that peration data transmission rate is low and poor real using telemetering channel；Still it is not based on defending for Information hiding at present
The in-orbit reconstructing method of star system.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide the in-orbit reconstruct of the satellite system based on Information hiding
Method, this method hides profile data in the data frame that data link channel is sent, solving existing satellite system can not
It is flexibly applied to the new functional requirement of user and operation is reconstructed using telemetering channel to cause message transmission rate low and real-time
Property difference the problem of.
The above-mentioned purpose of the present invention is achieved by following technical proposals：
The in-orbit reconstructing method of satellite system based on Information hiding, including step are as follows：
Step (1), floor control center generate binary configuration file according to user function demand；
Step (2), data transfer is reconstructed between control unit on floor control center and star, detailed process is such as
Under：
(1) reconstruct data transfer operation, is opened：Floor control sends transmission control instruction centrally through remote measuring and controlling passage
Control unit on to star；Control unit is received after transmission control instruction on star, and data storage is read from the control instruction
The section sequence number L of device, and floor control center is sent a confirmation message to by remote measuring and controlling passage；
(2), floor control center is received after the confirmation that control unit is sent on star, utilizes lossless information concealing side
Binary data in the configuration file generated in step (1) is hidden in the data link channel data frame to be sent by method,
And be marked on the reserved bit position of the data frame frame head, if concealing profile data in data frame,
The reserved bit position filling data " 1 " of the data frame frame head；CRC check is carried out to the load data of the data frame again, and
In the respective byte that the result of verification is placed on to the data frame frame head；
(3), the data frame that floor control center obtains step (2) is sent on star by data link channel and controls list
Member；
(4), control unit is received after data frame on star, and the data on the reserved bit position of the data frame frame head are entered
Row identification, if the data are " 1 ", judges the data frame to conceal the data frame of configuration file；Match somebody with somebody to concealing
The load data for putting the data frame of file carries out CRC check, and will be preserved in the check results and data frame frame head byte
CRC check result is compared；
If the CRC check result is different from the CRC check result preserved in data frame frame head byte, controlled on star
By remote measuring and controlling passage, earthward administrative center sends false command to unit, and request resends the data of hiding configuration file
Frame, floor control center is received after the false command, and return to step (3) resends data frame；
If the CRC check result is identical with the CRC check result preserved in data frame frame head byte, by star
Hiding data extraction module in control unit extracts profile data from data frame；And write the profile data
Enter into the l-th section of data storage；
(5), repeat step (3)~(4), all data of configuration file are written to the data storage of control unit on star
It is logical by remote measuring and controlling after wherein all data frames for concealing configuration file are sent completely by floor control center in section
Road send configuration END instruction is to control unit on star；Control unit receives configuration END instruction and completes configuration file on star
After storage, sent by remote measuring and controlling passage and be properly received response signal to floor control center, reconstruct the data transfer ends；
Step (3), operation is reconstructed between control unit and on-board processing unit on floor control center, star, has
Body process is as follows：
(6) restructuring procedure operation, is opened：Floor control sends system reconfiguration control instruction centrally through remote measuring and controlling passage
Control unit is received after system reconfiguration control instruction on control unit on to star, star, is sent and confirmed by remote measuring and controlling passage
Information is to floor control center；
(7), floor control center is received after the confirmation message that control unit is sent on star, is sent by remote measuring and controlling passage
Restructuring directive is to control unit on star, and control unit is received after the restructuring directive on star, extracts wanting in restructuring directive
FPGA sequence number K is configured, configuration file is read in control unit in the k-th section of data storage from star, and will be described
Configuration file is downloaded in the k-th FPGA in on-board processing unit；
(8) if, the configuration file failed download, on-board processing unit is by failed download state information report to star
Control unit sends failed download confirmation to floor control center, request by remote measuring and controlling passage on control unit, star
Restructuring directive, return to step (7) are retransmitted in floor control center；
If configuration file is downloaded successfully, on-board processing unit will download success status information reporting and list is controlled to star
Control unit downloads successfully confirmation by the transmission of remote measuring and controlling passage and, to floor control center, terminates to reconstruct on member, star
Journey is operated；
Wherein L, K are positive integer.
In the above-mentioned in-orbit reconstructing method of the satellite system based on Information hiding, ground in (2) step of step (2)
Binary data in the configuration file generated in step (1) is hidden in number by administrative center using lossless information concealing method
According in the link channel data frame to be sent, concrete methods of realizing is as follows：
(a), the binary data by data link channel in the data frame to be sent is transformed to decimal data by byte,
The most decimal data X of occurrence number in the data frame is searched, then according to the order from 1 to 255, is looked into a data frame
Look for the presence or absence of the data that numerical value is 1~255, if finding that data Y, wherein Y ∈ 1 are not present in data frame in search procedure
~255, then stop the lookup；If numerical value 1~255 occurred in a data frame, the data frame cannot be used for hidden
Profile data is hidden, then selects next frame data to be handled, that is, the original position for returning to this step is handled；
(b), the data frame obtained in step (a) is found there is data X byte for the first time, and reads the two of configuration file
Binary data, if data are " 1 " in configuration file, is revised as data Y, i.e., by the data in configuration file by the byte
" 1 " is hidden in the byte；If data are " 0 " in configuration file, keep the data X of the byte constant, Ji Jiangpei
The data " 0 " put in file are hidden in the byte；
Then searched in the data frame it is next there is data X byte, and read next two in configuration file
Binary data, if data are " 1 " in configuration file, is revised as data Y, i.e., by the data in configuration file by the byte
" 1 " is hidden in the byte, if data are " 0 " in configuration file, keeps the byte constant for data X, Ji Jiangpei
The data " 0 " put in file are hidden in the byte；
The like, the binary data in configuration file is hidden in occurred data X byte in a data frame, and
In the frameheader bytes that data X and data Y is write to the data frame；The decimal data of data frame is converted into binary system again
Data；
(c), repeat step (a)~(b), until all binary data of configuration file are hidden into data link channel
In each data frame in.
In the above-mentioned in-orbit reconstructing method of the satellite system based on Information hiding, in (4) step of step (2), star
Upper control unit extracts profile data by hiding data extraction module from data frame, and its concrete methods of realizing is as follows：
(a) each byte in data frame, is transformed to decimal data；
(b) number is searched in the data X and data Y, preserved in read data frame frame head, and load data in a data frame
According to X and data Y, if reading data X, extract data " 0 " and be used as profile data；If reading data Y, carry
Access is reduced to data X according to " 1 " as profile data, and by the data Y in data frame, will conceal configuration file number
According to data frame data be reduced to former data frame data.
The present invention has the advantages that compared with prior art：
(1), method of the invention, generates configuration file according to user's request and is deposited into the FPGA of on-board processing unit
It is interior, it can be ensured that the function of satellite system can enter Mobile state renewal according to user's request, keep satellite processing and exchanging system
Advance, meets functional requirement of the user to different disposal exchange system；
(2), method of the invention, configuration file is hidden in the data frame in existing data link channel, with star
Upper processing and exchanging system is communicated, and does not increase system bandwidth and excessive data passage, and the data transfer of original user is not interrupted,
Real-time is good, and reduces the consumption of resource, compared with the method for operation is reconstructed using telemetering channel, can effectively carry
High data rate and real-time.
Brief description of the drawings
Fig. 1 is the composition frame chart of the in-orbit reconfiguration system of satellite system；
Fig. 2 is reconstruct data transfer operation process flow diagram flow chart in the present invention；
Fig. 3 is restructuring procedure flow chart in the present invention；
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
The in-orbit reconstructing method of the satellite system based on Information hiding of the present invention is to be based on the in-orbit reconfiguration system of satellite system
Complete, be the composition frame chart of the in-orbit reconfiguration system of satellite system, as seen from the figure, the in-orbit reconfiguration system of satellite system as shown in Figure 1
Control unit, on-board processing unit are constituted on floor control center, star, wherein, on star control unit by on-board processing device and
Memory is constituted.
Wherein, floor control center is the control centre of satellite system, completes the transmission of control instruction, the number of configuration file
According to hide and send and with the function such as the Signalling exchange of control unit on star.
Control unit is the executor of ground control instruction on star, completes the Signalling exchange with floor control center, configuration
The extraction and storage of file, configuration file reconstruct loading etc. function.Control unit is by on-board processing device and memory group on star
Into wherein on-board processing device is completed and the Signalling exchange of terrestrial contr, data check, the extraction of configuration file and to storage
The control of device, memory completes the classification storage of configuration file.
On-board processing unit complete configuration file loading operation, and report download state to star control unit.
The in-orbit reconstructing method of satellite system based on Information hiding, including step are as follows：
Step (1), floor control center generate binary configuration file according to user function demand；
Step (2), on floor control center and star data transfer is reconstructed between control unit, as shown in Figure 2
The flow chart of data transfer is reconstructed, detailed process is as follows：
(1) reconstruct data transfer operation, is opened：Floor control sends transmission control instruction centrally through remote measuring and controlling passage
Control unit on to star；Control unit is received after transmission control instruction on star, and data storage is read from the control instruction
The section sequence number L of device, and floor control center is sent a confirmation message to by remote measuring and controlling passage；
Wherein, the data storage of control unit has N number of section on star, and list is controlled configuration file is sent on star
, it is necessary to which clear and definite configuration file should be stored in which section of data storage in control command before member, i.e., in control
The section sequence number L of data storage is write in order；
(2), floor control center is received after the confirmation that control unit is sent on star, utilizes lossless information concealing side
Binary data in the configuration file generated in step (1) is hidden in the data link channel data frame to be sent by method,
Implement step as follows：
(a), the binary data by data link channel in the data frame to be sent is transformed to decimal data by byte,
The most decimal data X of occurrence number in the data frame is searched, then according to the order from 1 to 255, is looked into a data frame
Look for the presence or absence of the data that numerical value is 1~255, if finding that data Y, wherein Y ∈ 1 are not present in data frame in search procedure
~255, then stop the lookup；If numerical value 1~255 occurred in a data frame, the data frame cannot be used for hidden
Profile data is hidden, then selects next frame data to be handled, that is, the original position for returning to this step is handled.
If for example, in data frame the most data of occurrence number be 17, X=17, then in searching data frame whether
There is digital " 1 ", if whether digital " 1 " occurred in data frame, then occur digital " 2 " in searching data frame, if number
Word " 2 " occurred in data frame, then whether occurred digital " 3 " in searching data frame again, the like, if to digital " 127 "
When being searched, it is found that digital " 127 " did not occur in a data frame, then Y=127, stop searching.
(b), the data frame obtained in step (a) is found there is data X byte for the first time, and reads the two of configuration file
Binary data, if data are " 1 " in configuration file, is revised as data Y, i.e., by the data in configuration file by the byte
" 1 " is hidden in the byte；If data are " 0 " in configuration file, keep the data X of the byte constant, Ji Jiangpei
The data " 0 " put in file are hidden in the byte；
Then searched in the data frame it is next there is data X byte, and read next two in configuration file
Binary data, if data are " 1 " in configuration file, is revised as data Y, i.e., by the data in configuration file by the byte
" 1 " is hidden in the byte, if data are " 0 " in configuration file, keeps the byte constant for data X, Ji Jiangpei
The data " 0 " put in file are hidden in the byte；
The like, the binary data in configuration file is hidden in occurred data X byte in a data frame, is
It is easy to the extraction of follow-up hidden file, and data X and data Y is write in the frameheader bytes of the data frame；Again by number
Binary data is converted to according to the decimal data of frame；
(c), repeat step (a)~(b), until all binary data of configuration file are hidden into data link channel
In each data frame in.
And be marked on the reserved bit position of the data frame frame head, if concealing configuration file in data frame
The reserved bit position filling data " 1 " of data, then the data frame frame head；CRC schools are carried out to the load data of the data frame
Test, and the result of the verification is placed in the respective byte in the data frame frame head.
(3) data frame that floor control center obtains step (2) is sent on star by data link channel and controls list
Member；
(4) control unit is received after data frame on star, and the data on the reserved bit position of the data frame frame head are entered
Row identification, if the data are " 1 ", judges the data frame to conceal the data frame of configuration file；Match somebody with somebody to concealing
The load data for putting the data frame of file carries out CRC check, and will be preserved in the check results and data frame frame head byte
CRC check result is compared；
If the CRC check result is different from the CRC check result preserved in data frame frame head byte, controlled on star
By remote measuring and controlling passage, earthward administrative center sends false command to unit, and request resends the data of hiding configuration file
Frame, floor control center is received after the false command, return to step (3)；
If the CRC check result is identical with the CRC check result preserved in data frame frame head byte, by star
Hiding data extraction module in control unit extracts profile data from data frame；And write the profile data
Enter into the l-th section of data storage, complete after all profile data write-ins, control unit passes through remote measurement on star
Remote-control channel sends and is properly received response signal to floor control center；Wherein L is the number that step (2) is read from control instruction
According to the section sequence number L of memory；
Wherein, profile data is extracted from data frame by the hiding data extraction module in control unit on star
Implement process as follows：
(a) each byte in data frame, is transformed to decimal data；
(b) number is searched in the data X and data Y, preserved in read data frame frame head, and load data in a data frame
According to X and data Y, if reading data X, extract data " 0 " and be used as profile data；If reading data Y, carry
Access is reduced to data X according to " 1 " as profile data, and by the data Y in data frame, will conceal configuration file number
According to data frame data be reduced to former data frame data.
(5), repeat step (3)~(4), all data of configuration file are written to the data storage of control unit on star
It is logical by remote measuring and controlling after wherein all data frames for concealing configuration file are sent completely by floor control center in section
Road send configuration END instruction is to control unit on star；Control unit receives configuration END instruction and completes configuration file on star
After storage, sent by remote measuring and controlling passage and be properly received response signal to floor control center, reconstruct the data transfer ends；
Step (3), operation is reconstructed between control unit and on-board processing unit on floor control center, star, such as
Restructuring procedure operational flowchart shown in Fig. 3, detailed process is as follows：
(6) restructuring procedure operation, is opened：Floor control sends system reconfiguration control instruction centrally through remote measuring and controlling passage
Control unit is received after system reconfiguration control instruction on control unit on to star, star, is sent and confirmed by remote measuring and controlling passage
Information is to floor control center；
(7), floor control center is received after the confirmation message that control unit is sent on star, is sent by remote measuring and controlling passage
Restructuring directive is to control unit on star, and control unit is received after the restructuring directive on star, extracts wanting in restructuring directive
FPGA sequence number K is configured, configuration file is read in control unit in the k-th section of data storage from star, and will be described
Configuration file is downloaded in the k-th FPGA in on-board processing unit；
The data storage of control unit has N number of section on its culminant star, and on-board processing unit has N number of FPGA, and data are deposited
N number of section of reservoir is corresponded with N number of FPGA, therefore in reconstructed operation, according to the FPGA sequence numbers read in restructuring directive,
Read the configuration file in respective memory section and download in corresponding FPGA；
(8) if, the configuration file failed download, on-board processing unit is by failed download state information report to star
Control unit sends failed download confirmation to floor control center, request by remote measuring and controlling passage on control unit, star
Restructuring directive, return to step (7) are retransmitted in floor control center；
If configuration file is downloaded successfully, on-board processing unit will download success status information reporting and list is controlled to star
Control unit downloads successfully confirmation by the transmission of remote measuring and controlling passage and, to floor control center, terminates to reconstruct on member, star
Journey is operated；
Wherein L, K are positive integer.
It is described above, it is only the optimal embodiment of the present invention, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.
The content not being described in detail in description of the invention belongs to the known technology of professional and technical personnel in the field.
Claims (2)
1. the in-orbit reconstructing method of satellite system based on Information hiding, it is characterised in that as follows including step：
Step (1), floor control center generate binary configuration file according to user function demand；
Step (2), data transfer is reconstructed between control unit on floor control center and star, detailed process is as follows：
(1) reconstruct data transfer operation, is opened：Floor control center sends transmission control instruction to control unit on star；On star
Control unit is received after transmission control instruction, and the section sequence number L of data storage is read from the control instruction, and is sent
Confirmation message is to floor control center；
(2), floor control center is received after the confirmation that control unit is sent on star, will using lossless information concealing method
Binary data in the configuration file generated in step (1) is hidden in the data link channel data frame to be sent, and
It is marked on the reserved bit position of the data frame frame head, it is described if concealing profile data in data frame
The reserved bit position filling data " 1 " of data frame frame head；CRC check, and high-ranking officers are carried out to the load data of the data frame again
The result tested is placed in the respective byte of the data frame frame head；
Wherein, floor control center utilizes lossless information concealing method by the binary system in the configuration file generated in step (1)
Image watermarking is in the data link channel data frame to be sent, and concrete methods of realizing is as follows：
(a), the binary data by data link channel in the data frame to be sent is transformed to decimal data by byte, searches
The most decimal data X of occurrence number in the data frame, then according to the order from 1 to 255, searching in a data frame is
It is no to there are the data that numerical value is 1~255, if finding that data Y is not present in data frame in search procedure, wherein Y ∈ 1~
255, then stop the lookup；If numerical value 1~255 occurred in a data frame, the data frame cannot be used for hiding
Profile data, then select next frame data to be handled, that is, the original position for returning to this step is handled；
(b), the data frame obtained in step (a) is found there is data X byte for the first time, and reads the binary system of configuration file
Data, if data are " 1 " in configuration file, are revised as data Y, i.e., by the data " 1 " in configuration file by the byte
It is hidden in the byte；If data are " 0 " in configuration file, keep the data X of the byte constant, text will be configured
Data " 0 " in part are hidden in the byte；
Then searched in the data frame it is next there is data X byte, and read next binary system in configuration file
Data, if data are " 1 " in configuration file, are revised as data Y, i.e., by the data " 1 " in configuration file by the byte
It is hidden in the byte, if data are " 0 " in configuration file, keep the byte constant for data X, text will be configured
Data " 0 " in part are hidden in the byte；
The like, the binary data in configuration file is hidden in occurred data X byte in a data frame, and by number
In the frameheader bytes that the data frame is write according to X and data Y；The decimal data of data frame is converted into binary number again
According to；
(c), repeat step (a)~(b), is hidden into data link channel until by all binary data of configuration file
In each data frame；
(3), the data frame that floor control center obtains step (2) is sent to control unit on star by data link channel；
(4), control unit is received after data frame on star, and the data on the reserved bit position of the data frame frame head are known
Not, if the data are " 1 ", judge the data frame to conceal the data frame of configuration file；To concealing configuration text
The load data of the data frame of part carries out CRC check, and the CRC schools that will be preserved in the check results and data frame frame head byte
Result is tested to be compared；
If the CRC check result is different from the CRC check result preserved in data frame frame head byte, control unit on star
Earthward administrative center sends false command, and request resends the data frame of hiding configuration file, and floor control center is received
To after the false command, return to step (3) resends data frame；
If the CRC check result is identical with the CRC check result preserved in data frame frame head byte, by being controlled on star
Hiding data extraction module in unit extracts profile data from data frame；And be written to the profile data
In the l-th section of data storage；
(5), repeat step (3)~(4), all data of configuration file are written to the data storage section of control unit on star
Interior, after wherein all data frames for concealing configuration file are sent completely by floor control center, send configuration END instruction is arrived
Control unit on star；Control unit receives configuration END instruction and completed after configuration file storage on star, and transmission is properly received
Response signal reconstructs the data transfer ends to floor control center；
Step (3), operation, specific mistake is reconstructed between control unit and on-board processing unit on floor control center, star
Journey is as follows：
(6) restructuring procedure operation, is opened：The instruction of floor control master reference system reconfigurable control is to control unit on star, on star
Control unit is received after system reconfiguration control instruction, sends confirmation to floor control center；
(7), floor control center is received after the confirmation message that control unit is sent on star, sends restructuring directive and list is controlled to star
Control unit is received after the restructuring directive on member, star, the sequence number K to be configured FPGA in restructuring directive is extracted, from star
Configuration file is read in upper control unit in the k-th section of data storage, and the configuration file is downloaded into place on star
Manage in the k-th FPGA in unit；
(8) if, the configuration file failed download, on-board processing unit will on failed download state information report to star control
Control unit sends failed download confirmation to floor control center on unit, star, and reconstruct is retransmitted at request floor control center
Instruction, return to step (7)；
If configuration file is downloaded successfully, on-board processing unit will download success status information reporting to control unit on star, star
Upper control unit transmission downloads successfully confirmation and, to floor control center, terminates restructuring procedure operation；
Wherein L, K are positive integer.
2. the in-orbit reconstructing method of the satellite system according to claim 1 based on Information hiding, it is characterised in that：In step
(2) in (4) step, control unit extracts profile data by hiding data extraction module from data frame on star, its
Concrete methods of realizing is as follows：
(1) each byte in data frame, is transformed to decimal data；
(2) searching data X in the data X and data Y, preserved in read data frame frame head, and load data in a data frame
With data Y, if reading data X, extract data " 0 " and be used as profile data；If reading data Y, extract
Data " 1 " are reduced to data X as profile data, and by the data Y in data frame, will conceal profile data
Data frame data be reduced to former data frame data.
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| CN105577262B (en) * | 2015-12-16 | 2018-08-31 | 西安空间无线电技术研究所 | A kind of spaceborne FPGA reconfiguration systems and reconstructing method based on inter-satellite link transceiver |
| CN107370535B (en) * | 2017-06-26 | 2019-11-29 | 航天东方红卫星有限公司 | Incorporate based on microsatellite system timely responds to information acquisition method |
| CN109194555B (en) * | 2018-07-20 | 2020-11-10 | 航天东方红卫星有限公司 | Improved bus scheduling system of small satellite data transmission subsystem |
| CN109245817A (en) * | 2018-08-17 | 2019-01-18 | 北京工业大学 | A kind of Satellite Management system based on remote sensing application management agreement |
| CN110287142B (en) * | 2018-12-29 | 2023-05-26 | 中国科学院软件研究所 | Multifunctional satellite-borne super-computing device and satellite |
| CN110297926B (en) * | 2018-12-29 | 2022-06-07 | 中国科学院软件研究所 | On-orbit configuration method of satellite-borne image processing device |
| CN110333881B (en) * | 2019-03-22 | 2022-09-16 | 中国电子科技集团公司第五十四研究所 | On-orbit reconstruction method for load equipment software based on satellite-borne FPGA processing |
| CN112491457B (en) * | 2020-10-16 | 2022-09-27 | 浙江吉利控股集团有限公司 | Satellite on-orbit reconstruction method, device, system, equipment and storage medium |
| CN113433858A (en) * | 2021-06-24 | 2021-09-24 | 上海航天电子通讯设备研究所 | Automatic monitoring system for satellite-borne FPGA chip |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101332874A (en) * | 2008-08-07 | 2008-12-31 | 航天东方红卫星有限公司 | Autonomous hierarchical process control guiding method for satellite system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9097783B2 (en) * | 2006-04-28 | 2015-08-04 | Telecommunication Systems, Inc. | System and method for positioning using hybrid spectral compression and cross correlation signal processing |
-
2014
- 2014-08-20 CN CN201410413308.9A patent/CN104202182B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101332874A (en) * | 2008-08-07 | 2008-12-31 | 航天东方红卫星有限公司 | Autonomous hierarchical process control guiding method for satellite system |
Non-Patent Citations (1)
| Title |
|---|
| 陈雪芹等."基于控制有效性因子的卫星姿态控制系统在轨重构容错机制".《宇航学报》.2007,第28卷(第一期),94-98. * |
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