CN105162512A - Multi-channel satellite remote sensing data processing and storing system and test method - Google Patents
Multi-channel satellite remote sensing data processing and storing system and test method Download PDFInfo
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- CN105162512A CN105162512A CN201510466325.3A CN201510466325A CN105162512A CN 105162512 A CN105162512 A CN 105162512A CN 201510466325 A CN201510466325 A CN 201510466325A CN 105162512 A CN105162512 A CN 105162512A
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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
Abstract
The invention provides a multi-channel satellite remote sensing data processing and storing system. A data transmission server host is provided with a PCI-E data processing board interface, gigabit Ethernet ports, 10-gigabit optical fiber ports, and an iSCSI data optical fiber transmission interface. A PCI-E data processing board card is embedded into the data transmission server host through the PCI-E data processing board interface. The data transmission server host and the PCI-E data processing board card jointly complete satellite remote sensing data processing. A disk array is connected with the data transmission server host through the iSCSI data optical fiber transmission interface, and is used to store satellite remote sensing data. A 10-gigabit network switch is connected with the data transmission server host through one of the 10-gigabit optical fiber ports. The data transmission server host requests a data transmission baseband for satellite remote sensing data communication through four 10-gigabit optical fiber ports. The invention further provides a test method implemented by the system. The system and the method of the invention effectively meet the demand of ultrahigh-speed satellite remote sensing data storing and processing.
Description
Technical field
The present invention relates to satellite ground ultrahigh speed remotely-sensed data to store and treatment system, specifically, what relate to is a kind of ultrahigh speed multichannel satellite remote sensing date process of the 10gbps Optical Fiber Transmission based on Ethernet and ISCSI storage system and method for testing, is applied to the ground test of satellite ultrahigh speed remotely-sensed data stores processor function.
Background technology
Along with the development of China's satellite industry in recent years, domestic remote sensing satellite data volume sharp increase, number passes bit rate and improves constantly, the highest real-time data memory process can only supporting 4 passage * 450Mbps bit rates of satellite high speed remote sensing data test macro known at present.
13 China's high score satellite data transmission data floor treatment demand gaps are large, part number passes product code speed can reach 4 passages × 1.5gbps, develop the modulator of single channel bit rate up to 2.5gbps at present, the floor treatment technology of respective rate cannot meet existing data transmission rate, and ultrahigh speed satellite remote sensing date ground receiver and treatment system have become problem demanding prompt solution in international space flight development process.
Do not find explanation or the report of similar correlation technique at present, not yet collect similar data both at home and abroad yet.
Summary of the invention
In order to solve ultrahigh speed remotely-sensed data multichannel stores processor difficulty, the invention provides the process of a kind of multichannel satellite remote sensing date and storage system and method for testing, this system stores based on Ethernet 10gbps Optical Fiber Transmission and iSCSI, in test process, number passes server host and applies for high speed satellite remotely-sensed data in real time to number biography base band, application supports four passages at most, number passes server host and in real time high speed remote sensing initial data is stored in disk array, and data-in storehouse (can ORACLE11.0 be passed through), support online to test assignment data, misdata query and search.
For achieving the above object, the present invention is achieved by the following technical solutions.
According to an aspect of the present invention, provide the process of a kind of multichannel satellite remote sensing date and storage system, comprise: number passes server host, disk array (respectively supporting storage control), PCI-E data processing board, gigabit networking switch and 10,000,000,000 network switchs, wherein:
Described number passes server host and is provided with PCI-E data processing plate interface, gigabit network interface, 10,000,000,000 optical fiber ports and iSCSI data optical fiber coffret;
Described PCI-E data processing board is by passing server host by PCI-E bus 3.0X8 is interface embedded in number, and described number passes server host and PCI-E data processing board completes satellite remote sensing date processing procedure jointly;
Described disk array passes server host by iSCSI data optical fiber coffret with number and is connected, for storing satellite remotely-sensed data;
Described gigabit network interface is 2, and described gigabit networking switch passes server host by wherein 1 gigabit network interface with number and is connected;
Described 10,000,000,000 optical fiber ports are 6, and described 10,000,000,000 network switchs are passed server host by wherein 1 10,000,000,000 optical fiber port be connected with several; Described number biography server host passes through wherein 4 10,000,000,000 optical fiber ports and passes the communication of base band request satellite remote sensing date to number.
Preferably, the process of described multichannel satellite remote sensing date and storage system also comprise lan network floor synthetic test macro, and described lan network floor synthetic test macro passes server host by other 1 gigabit network interface with number and is connected.
Preferably, described disk array comprises 4 physics independently array group, and correspondingly, described iSCSI data optical fiber coffret is 4 groups, and 4 array group communicate to connect respectively by data optical fiber and 4 groups of iSCSI data optical fiber coffrets.
Preferably, described 4 array group are connected with oracle database respectively, and described oracle database is for completing test assignment data record and the misdata query and search of satellite remote sensing date in array group.
Preferably, described gigabit networking switch and 10,000,000,000 network switchs are connected to data terminal I and data terminal II.
Preferably, last 1 10,000,000,000 optical fiber port are used for being connected with high-speed data application terminal; Described high-speed data application terminal is for carry out request of data more than rate 1Gbps in real time.。
According to another aspect of the present invention, provide the method for testing of the process of a kind of multichannel satellite remote sensing date and storage system, comprise the steps:
Step 1, number passes server host and applies for satellite remote sensing initial data in real time to number biography base band;
Step 2, number is passed server host and real-time satellite remote sensing initial data is stored in disk array by iSCSI agreement, and charges to test assignment data and query and search misdata by ORACLE (ORACLE11.0) database;
Step 3, number passes server host and the satellite remote sensing initial data after storage is carried out number biography baseband equipment format analysis processing, then carry out counting the synchronous parsing passing frame, frame format correctness, legitimacy, frame continuity are carried out interpretation and shown by the display terminal of lan network floor synthetic test macro, misdata is write the journal file of ORACLE database;
Step 4, adopts any one processing procedure following:
Number passes server host to the frame format after parsing according to CCSDS (ConsultativeCommitteeforSpaceDataSystems, international space data system Advisory Board) standard carries out classification to the remotely-sensed data frame that various satellite pseudo channel combines mark (VCID) and extracts, close road process needing to send to PCI-E data processing board to carry out data according to the number biography frame on VCID counting conjunction road by PCI-E bus, the data behind conjunction road return number biography server host by PCI-E bus; Or,
Number passes server host to carry out classification according to CCSDS standard to the remotely-sensed data frame that various satellite pseudo channel combines mark to the frame format after resolving and extracts, and passes frame and carries out data by needing to combine according to satellite pseudo channel number that mark counting closes road and close road and process;
Step 5, number passes server host and resolves completing frame classification, close the data extracted valid data district after the process of road, and carries out network data distribution by gigabit networking switch and 10,000,000,000 network switchs;
When the satellite remote sensing date bit rate after the process of number biography server host is within 1000Mbps, send low speed remotely-sensed data by gigabit networking switch to the data terminal I be connected with gigabit networking switch;
When number passes the satellite remote sensing date bit rate after server host process at more than 1000Mbps, send high speed remote sensing data by 10,000,000,000 network switchs to the data terminal 11 be connected with 10,000,000,000 network switchs;
Step 6, number passes server host to lan network floor synthetic test macro transmitting apparatus state parameter, and the display terminal being sent to lan network floor synthetic test macro after combining the process of lan network floor synthetic test macro shows in real time;
Step 7, the Homepage Publishing information that lan network floor synthetic test macro real-time reception ORACLE database provides, according to satellite test task names, test data classification and misdata retrieval satellite remote sensing initial data.
Preferably, in described step 1, application satellite remote sensing initial data supports at most four passages, and each passage is separate.
Preferably, described step 3 also comprises following process:
Frame comparison sample is passed by ORACLE database configurable number in early stage, the number biography frame comparison sample of configuration in early stage and satellite remote sensing initial data are carried out data errors comparison in real time, and show comparison result in real time on the display terminal of lan network floor synthetic test macro.
Preferably, lan network floor synthetic test macro passes server host transmission by gigabit networking to number and far controls instruction; Described control instruction far away comprises: number biography server On/Off task, On/Off distributing network data, On/Off store to the remotely-sensed data of data source request for data, certain passage of On/Off, the error rate resets.
Preferably, number passes server host and passes to number the satellite remote sensing initial data single channel bit rate that base band application obtains and be not less than 1.5Gbps, the real-time storage of the satellite remote sensing initial data namely meeting maximum 6Gbps speed in disk array and data processing.
Preferably, disk array comprises 4 physics independently memory channel, each passage i.e. an array group, after it uses RAID5 Redundancy Design, available capacity is no less than 75TB, the disc sheet used is the hyperdisk of 2.5 inches of monolithic 10000rpm rotating speeds, and 4 passages add up to and are no less than 300TB memory space.Number passes server by ISCSI technical protocol to the real-time transmission ultrahigh speed remote sensing initial data of four array group of disk memory array, and the rate conditions that single channel sends data is not less than 1.5Gbps.Number passes the local disk size containing ten thousand rotating speeds on server host and is not less than 4TB, server uses the SSD solid state hard disc of 200GB and the internal memory of 128GB amount of capacity, and server host is furnished with 2 gigabit network interfaces, 6 10,000,000,000 optical fiber interfaces (SFP+ agreement), the development hardware board being furnished with 2 PCIE interfaces and slots.Server possesses the interface of ISCSI agreement for sending real-time remotely-sensed data to 4 groups of disk array groups, the maximum 8Gbps of ISCSI interface transmission rate of individual interface.
Preferably, number passes server host to be undertaken removing according to CORTEXHDR equipment data form when number passes baseband format by master control software, and encumbrance passes frame raw data format and stores.Number passes servers master software and realizes the storage of ultrahigh speed remotely-sensed data on disk array in data processing; store every 4GB byte and generate a binary data file; write in the storing process of data and take read-write protection, write to carrying out release sense data in space during 4GB size until this file.The data removed after number biography baseband format pass frame head (0xlacffcld or 0x352EF853) according to configured number, frame synchronization strategy is resolved according to the frame format of software merit rating, resolve the frame head and the comparison of configuration frame head that obtain, if consistent, again intercept frame head according to the frame length of configuration, frame head through so repeatedly realizing more than 5 times obtains correct, is considered as frame synchronization and completes.In frame synchronizing process to the continuity of frame count, frame format interpretation, illegal virtual channel combine mark and configuration parameter is compared, if inconsistent, carries out the display of software interface and the storage of error log according to error message.During interface display, every 50 displays one of similar mistake, are convenient to the renewal of software interface.Combine according to the pseudo channel of configuration the classification extraction that mark (VCID) kind carries out frame, and real-time storage is in disk array; Master control software support the single frames number of configuration pass frame and real-time reception to number passes frame and carries out error rate comparison, the region of comparison is the data field counting biography frame, and the section of comparison configures on software interface; The BPDU valid data that number passes region frame data only resolved by master control software, and the valid data district gigabit networking obtained or 10,000,000,000 networks are carried out net distribution.Master control software can configure and the user name of remote sensing terminal computer communication, password, ethernet ip address, network terminal slogan, and supports at most to carry out terminal data communication interaction with at least 25 remote sensing terminal computers simultaneously.
Preferably, number passes server host by the Homepage Publishing functional realiey of ORACLE database and carries out information retrieval by the ORACLE11.0 database of disk battle array group deploy to a large amount of remotely-sensed datas be stored on disk array, and search condition supports that test assignment title, testing time, pseudo channel combine mark, type of error message etc.Can to enter the Web page the issuing function page in the IP address of remote sensing terminal by access disk array, the username and password being passed the Lawful access Homepage Publishing that server system configured by input number is entered, and carries out the retrieval and inquisition of information as required.
Preferably, data conjunction road process is that the number biography frame after removal number is passed baseband format carries out the process of conjunction road according to the continuity that VCID counts, and the process of conjunction road process can send to the realization of PCIE hardware handles board close road and return the data after process by PCIE bus by number biography servers master software simulating or wait closing circuit-switched data.
Preferably, terminal data information is alternately according to the communication interaction that Utility Satellite ground digital transmission communication protocol realization number biography server and remote sensing terminal computer carry out; Remote sensing terminal passes server to number and sends data and log in, data application information, exit information, and number passes server and sends satellite remote sensing date to remote sensing terminal computer.
Compared with prior art, the present invention has following beneficial effect:
1, the present invention is based on SFP+ 10,000,000,000 network transmission protocol design number biography server interface to realize carrying out multi-channel data acquisition to number biography base band data source, existing data transmission rate can be met.
2, number passes design 6 SFP+ 10,000,000,000 network interfaces on server host, and single port transmission rate is not less than 10gbps, 2 PCIE hardware data process boards, 2 gigabit network interfaces, 4 scsi data output interfaces.The effective memory space 4TB of server host local disk, adopt RAID5 Redundancy Design, adopt ten thousand turns of disk (2.5 cun of boards, monolithic disk storage capacity 1.2TB), number passes server theme and takes high speed solid SSD disk 200GB and ten thousand turn large capacity disc (capacity: 4TB) raising hardware data processing speed used in combination.
3, from use hardware sorting unit of the prior art, work station, mainly relying on hardware board, to realize most of data processing different, the conjunction of the satellite data transmission frame data closing road is passed by journey by the present invention, error message recording process is placed on PCI-E data processing board hardware processing platform and completes, and remaining data processing work transfers to number to pass the realization of server host control program.Adopt 4 road disk arrays (every road effective storage capacity is 75TB), RAIDB redundant technique, ten thousand turns of magnetic disc array cards realize the high speed satellite number of disk array group to 4 passages, every passage at least 2.Ogbps memory rate and pass effectively storing in real time of data, charge to oracle Server Manager Daemon simultaneously and carry out aggregation of data management, support the online query management of test assignment, test data, error format type.Effectively meet ultrahigh speed satellite remote sensing date to store and processing demands.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the satellite remote sensing date process of ultrahigh speed multichannel and the ISCSI storage system interface graph of a relation that the present invention is based on Ethernet 10Gbps Optical Fiber Transmission;
Fig. 2 is the satellite remote sensing date process of ultrahigh speed multichannel and the ISCSI storage system functionality interface framework that the present invention is based on Ethernet 1OGbps Optical Fiber Transmission;
Fig. 3 is 4 and independently counts biography passage according to number biography frame VCID counting continuity conjunction road Treatment Design figure.
Embodiment
Below embodiments of the invention are elaborated: the present embodiment is implemented under premised on technical solution of the present invention, give detailed execution mode and concrete operating process.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Embodiment
Present embodiments provide the process of a kind of multichannel satellite remote sensing date and storage system, comprise: number passes server host, disk array (respectively supporting storage control), PCI-E data processing board, gigabit networking switch and 10,000,000,000 network switchs, wherein:
Described number passes server host and is provided with PCI-E data processing plate interface, gigabit network interface, 10,000,000,000 optical fiber ports and iSCSI data optical fiber coffret;
Described PCI-E data processing board is embedded in number by PCI-E data processing plate interface (PCI-E bus 3.0X8 interface) and passes server host, and described number passes server host and PCI-E data processing board completes satellite remote sensing date processing procedure jointly;
Described disk array passes server host by iSCSI data optical fiber coffret with number and is connected, for storing satellite remotely-sensed data;
Described gigabit network interface is 2, and described gigabit networking switch passes server host by wherein 1 gigabit network interface with number and is connected;
Described 10,000,000,000 optical fiber ports are 6, and described 10,000,000,000 network switchs are passed server host by wherein 1 10,000,000,000 optical fiber port be connected with several; Described number biography server host passes through wherein 4 10,000,000,000 optical fiber ports and passes the communication of base band request satellite remote sensing date to number.
Below in conjunction with accompanying drawing, the present embodiment is further described.
As shown in Figure 1, the present embodiment comprises: 1 high-performance number passes server host C, 4 groups of disk array B (respectively supporting storage control), 2 PCIE hardware handles plate interface F, a gigabit networking switch I, 6 groups of SPF+ 10,000,000,000 optical fiber G, 4 cover ISCSI data optical fiber coffret D.Wherein, number passes server host (including PCIE data processing board) and realizes ultrahigh speed 4 passage each 1.5Gbps number biography data high-speed real-time storage; Server interface comprises 2 high-speed PCI E board interfaces, 6 10,000,000,000 optical fiber ports, 2 gigabit network interface E; Disk array comprises 4 array group, the effective total capacity 300TB after RAID5 Redundancy Design, and a large amount of remotely-sensed datas of array stores provide retrieval M by Oracle11 data-base recording; Express network distribution part forms J by 10,000,000,000 switches of gigabit networking switch, SFP+ agreement.Data handling procedure passes server main program by number and PCIE hardware board has been worked in coordination with.The Homepage Publishing function L of design, makes the terminal being in the same network segment with remotely-sensed data stores processor system can retrieve test assignment, abnormal remotely-sensed data, misdata etc. by online access.
The multichannel satellite remote sensing date process that the present embodiment provides and storage system, its method of testing comprises the following steps:
Step 1, number passes server host and applies for high speed satellite remotely-sensed data in real time to number biography base band A, and application supports four passages at most, and each passage is separate.
Step 2, number is passed server host and is stored in disk array by the high speed remote sensing initial data that ISCSI agreement is real-time, and by ORACLE11.0 management software data-in storehouse for test assignment data, misdata query and search.
Step 3, number passes server and carries out number biography baseband equipment format analysis processing completing the remotely-sensed data after storage, then carry out counting the synchronous parsing passing frame, carry out interpretation and pass on server main program interface at number showing record to frame format correctness, legitimacy, frame continuity, misdata write journal file is carried out record.Support by the number of configuration in early stage pass frame comparison sample to test data real-time carry out data errors comparison function, and pass on server interface at number and show comparison result in real time.
Step 4, number passes server and carries out classification extraction according to CCSDS standard to the remotely-sensed data frame that various satellite pseudo channel combines mark (VCID) to the frame format after parsing, needing the biography frame that counts closing road according to VCID counting to send to PCIE hardware handles board to carry out the process of conjunction road by PCIE bus, closing the data behind road and returning number biography server by PCIE bus; Or directly pass servers master software by number and complete data conjunction and pass by journey.
Step 5, number pass server complete frame classification resolve, close road process after data extracted valid data district carry out network data distribution by the net distribution module of number biography server main program.The PCI-Express E of server configuration is passed by number to coupled gigabit networking switch and data terminal IN transmission low speed remotely-sensed data when remotely-sensed data bit rate after number biography server process is within 1000Mbps.When number passes the remotely-sensed data bit rate after server process at more than 1000Mbps, need ten thousand Broadcoms being passed server configuration by number, the mode of Ethernet 10,000,000,000 optical transport sends the paramount bit rate data terminal II0 of high speed remote sensing data to ten thousand mbit ethernet switches.
Step 6, number passes server to comprehensive survey server transmitting apparatus state parameter, is sent to combine surveys display terminal Real time vision through comprehensive survey server process.Combine survey server and far can also control instruction by Ethernet gigabit networking to the transmission of number biography server host.
Step 7, the reception inquiry number that comprehensive survey display terminal can be real-time passes the Homepage Publishing information that ORACLE11.0 database provides, and retrieves remote sensing initial data according to satellite test task names, test data classification, misdata.
Further, number passes server host and is not less than 1.5Gbps to counting the satellite remote sensing date single channel bit rate passing base band application acquisition, for ultrahigh speed remotely-sensed data, the present embodiment can support at most 4 channel rates respectively for the satellite remote sensing date of 1.5Gbps receives Storage and Processing simultaneously, the real-time storage of the original remotely-sensed data of satellite meeting maximum 6Gbps speed in disk array and data processing.
Further, disk array divides 4 physics independently memory channel, each passage is an array group, after it uses RAID5 Redundancy Design, available capacity is no less than 75TB, the disc sheet used is the hyperdisk of 2.5 inches of monolithic 10000rpm rotating speeds, and 4 passages add up to and are no less than 300TB memory space.Number passes server by ISCSI technical protocol to the real-time transmission ultrahigh speed remote sensing initial data of four array group of disk memory array, and the rate conditions that single channel sends data is not less than 1.5Gbps.Number passes the local disk size containing ten thousand rotating speeds on server host and is not less than 4TB, server uses the SSD solid state hard disc of 200GB and the internal memory of 128GB amount of capacity, and server host is furnished with 2 gigabit network interfaces, 6 10,000,000,000 optical fiber interfaces (SFP+ agreement), the development hardware board being furnished with 2 PCIE interfaces and slots.Server possesses the interface of ISCSI agreement for sending real-time remotely-sensed data to 4 groups of disk array groups, the maximum 8Gbps of ISCSI interface transmission rate of individual interface.
Further, number passes server host to be undertaken removing according to CORTEXHDR equipment data form when number passes baseband format by master control software, and encumbrance passes frame raw data format and stores.Number passes servers master software and realizes the storage of ultrahigh speed remotely-sensed data on disk array in data processing; store every 4GB byte and generate a binary data file; write in the storing process of data and take read-write protection, write to carrying out release sense data in space during 4GB size until this file.The data removed after number biography baseband format pass frame head (0xlacffcld or 0x352EF853) according to configured number, frame synchronization strategy is resolved according to the frame format of software merit rating, resolve the frame head and the comparison of configuration frame head that obtain, if consistent, again intercept frame head according to the frame length of configuration, frame head through so repeatedly realizing more than 5 times obtains correct, is considered as frame synchronization and completes.In frame synchronizing process to the continuity of frame count, frame format interpretation, illegal virtual channel combine mark and configuration parameter is compared, if inconsistent, carries out the display of software interface and the storage of error log according to error message.During interface display, every 50 displays one of similar mistake, are convenient to the renewal of software interface.Combine according to the pseudo channel of configuration the classification extraction that mark (VCID) kind carries out frame, and real-time storage is in disk array; Master control software support the single frames number of configuration pass frame and real-time reception to number passes frame and carries out error rate comparison, the region of comparison is the data field counting biography frame, and the section of comparison configures on software interface; The BPDU valid data that number passes region frame data only resolved by master control software, and the valid data district gigabit networking obtained or 10,000,000,000 networks are carried out net distribution.Master control software can configure and the user name of remote sensing terminal computer communication, password, ethernet ip address, network terminal slogan, and supports at most to carry out terminal data communication interaction with at least 25 remote sensing terminal computers simultaneously.
Further, number passes server host by the Homepage Publishing functional realiey of ORACLE11.0 database and carries out information retrieval by the ORACLE11.0 database of disk battle array group deploy to a large amount of remotely-sensed datas be stored on disk array, and search condition supports that test assignment title, testing time, pseudo channel combine mark, type of error message etc.Can to enter the Web page the issuing function page in the IP address of remote sensing terminal by access disk array, the username and password being passed the Lawful access Homepage Publishing that server system configured by input number is entered, and carries out the retrieval and inquisition of information as required.
Further, data close road processing procedure be remove number pass baseband format after number pass frame and carry out the process of conjunctions road according to the continuity that VCID count, the process of closing road process can pass servers master software simulating by number or send to PCIE hardware handles board to realize closing road by PCIE bus also to return the data after processing wait closing circuit-switched data.
Further, the data message of data terminal is mutual, the communication interaction carried out according to Utility Satellite ground digital transmission communication protocol realization number biography server and remote sensing terminal computer; Remote sensing terminal passes server to number and sends data and log in, data application information, exit information, and number passes server and sends satellite remote sensing date to remote sensing terminal computer.
In the present embodiment:
In method of testing process, number passes server host and applies for high speed satellite remotely-sensed data in real time to number biography base band, application supports four passages at most, number passes server host and in real time high speed remote sensing initial data is stored in disk array, and data-in storehouse (can ORACLE11.0 be passed through), support online to test assignment data, misdata query and search.
Number passes server host and carries out number biography baseband equipment format analysis processing completing the remotely-sensed data after storage, number passes the synchronous of frame, interpretation frame format correctness, frame continuity, and show in real time at number biography servers master software interface, misdata is write journal file.Native system is supported to pass frame comparison sample by configurable number in early stage, to the comparison of test data real time data error code, and shows comparison result in real time.
Number passes server host and carries out classification extraction according to CCSDS standard to the remotely-sensed data frame that various satellite pseudo channel combines mark (VCID) to the frame format after parsing, needing the biography frame that counts closing road according to VCID counting to send to PCIE hardware handles board to carry out the process of conjunction road, closing the data behind road and returning number biography server by PCIE bus; Also can not pass through PCIE board, and directly pass servers master software by number and complete data conjunction and pass by journey.
Number passes server host, and completing, frame is resolved, the valid data district data of conjunction road process carry out network data distribution by the net distribution module of main program.Number passes server and possesses to comprehensive survey server transmitting apparatus state parameter function, is sent to display terminal Real time vision number passes state parameter through comprehensive survey server process.The control instruction far away of combining and surveying server and sending can also be received by Ethernet gigabit networking.Combine survey display terminal can real-time query Remote Sensing Database, searching web pages releases news.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (10)
1. the process of multichannel satellite remote sensing date and a storage system, is characterized in that, comprising: number passes server host, disk array, PCI-E data processing board, gigabit networking switch and 10,000,000,000 network switchs, wherein:
Described number passes server host and is provided with PCI-E data processing plate interface, gigabit network interface, 10,000,000,000 optical fiber ports and iSCSI data optical fiber coffret;
Described PCI-E data processing board passes server host by PCI-E bus 3.0X8 is interface embedded in number, and described number passes server host and PCI-E data processing board completes satellite remote sensing date processing procedure jointly;
Described disk array passes server host by iSCSI data optical fiber coffret with number and is connected, for storing satellite remotely-sensed data;
Described gigabit network interface is 2, and described gigabit networking switch passes server host by wherein 1 gigabit network interface with number and is connected;
Described 10,000,000,000 optical fiber ports are 6, and described 10,000,000,000 network switchs are passed server host by wherein 1 10,000,000,000 optical fiber port be connected with several; Described number biography server host passes through wherein 4 10,000,000,000 optical fiber ports and passes the communication of base band request satellite remote sensing date to number.
2. multichannel satellite remote sensing date according to claim 1 process and storage system, it is characterized in that, the process of described multichannel satellite remote sensing date and storage system also comprise lan network floor synthetic test macro, and described lan network floor synthetic test macro passes server host by other 1 gigabit network interface with number and is connected.
3. multichannel satellite remote sensing date according to claim 1 and 2 process and storage system, it is characterized in that, described disk array comprises 4 physics independently array group, correspondingly, described iSCSI data optical fiber coffret is 4 groups, and 4 array group communicate to connect respectively by data optical fiber and 4 groups of iSCSI data optical fiber coffrets.
4. multichannel satellite remote sensing date according to claim 3 process and storage system, it is characterized in that, described 4 array group are connected with oracle database respectively, and described oracle database is for completing test assignment data record and the misdata query and search of satellite remote sensing date in array group.
5. multichannel satellite remote sensing date according to claim 1 process and storage system, is characterized in that, described gigabit networking switch and 10,000,000,000 network switchs are connected to data terminal I and data terminal II.
6. multichannel satellite remote sensing date according to claim 1 process and storage system, is characterized in that, last 1 10,000,000,000 optical fiber port are used for being connected with high-speed data application terminal; Described high-speed data application terminal is for carry out request of data more than rate 1Gbps in real time.
7. a method of testing for the process of multichannel satellite remote sensing date and storage system, is characterized in that, adopts the multichannel satellite remote sensing date process according to any one of claim 1 to 6 and storage system, comprises the steps:
Step 1, number passes server host and applies for satellite remote sensing initial data in real time to number biography base band;
Step 2, number is passed server host and real-time satellite remote sensing initial data is stored in disk array by iSCSI agreement, and charges to test assignment data and query and search misdata by ORACLE database;
Step 3, number passes server host and the satellite remote sensing initial data after storage is carried out number biography baseband equipment format analysis processing, then carry out counting the synchronous parsing passing frame, frame format correctness, legitimacy, frame continuity are carried out interpretation and shown by the display terminal of lan network floor synthetic test macro, misdata is write the journal file of ORACLE database;
Step 4, adopts any one processing procedure following:
Number passes server host and carries out classification extraction according to international space data system Advisory Board standard to the remotely-sensed data frame that various satellite pseudo channel combines mark to the frame format after parsing, needs are combined according to satellite pseudo channel the number biography frame identifying counting conjunction road sends to PCI-E data processing board to carry out data conjunction road process by PCI-E bus, and the data behind conjunction road return number biography server host by PCI-E bus; Or,
Number passes server host to carry out classification according to international space data system Advisory Board standard to the remotely-sensed data frame that various satellite pseudo channel combines mark to the frame format after resolving and extracts, and passes frame and carries out data by needing to combine according to satellite pseudo channel number that mark counting closes road and close road and process;
Step 5, number passes server host and resolves completing frame classification, close the data extracted valid data district after the process of road, and carries out network data distribution by gigabit networking switch and 10,000,000,000 network switchs;
When the satellite remote sensing date bit rate after the process of number biography server host is within 1000Mbps, send low speed remotely-sensed data by gigabit networking switch to the data terminal I be connected with gigabit networking switch;
When number passes the satellite remote sensing date bit rate after server host process at more than 1000Mbps, send high speed remote sensing data by 10,000,000,000 network switchs to the data terminal II be connected with 10,000,000,000 network switchs;
Step 6, number passes server host to lan network floor synthetic test macro transmitting apparatus state parameter, and the display terminal being sent to lan network floor synthetic test macro after combining the process of lan network floor synthetic test macro shows in real time;
Step 7, the Homepage Publishing information that lan network floor synthetic test macro real-time reception ORACLE database provides, according to satellite test task names, test data classification and misdata retrieval satellite remote sensing initial data.
8. the method for testing of multichannel satellite remote sensing date according to claim 7 process and storage system, is characterized in that, in described step 1, application satellite remote sensing initial data supports at most four passages, and each passage is separate.
9. the method for testing of multichannel satellite remote sensing date according to claim 7 process and storage system, is characterized in that, described step 3 also comprises following process:
Frame comparison sample is passed by ORACLE database configurable number in early stage, the number biography frame comparison sample of configuration in early stage and satellite remote sensing initial data are carried out data errors comparison in real time, and show comparison result in real time on the display terminal of lan network floor synthetic test macro.
10. the method for testing of multichannel satellite remote sensing date according to claim 7 process and storage system, is characterized in that, lan network floor synthetic test macro passes server host transmission by gigabit networking to number and far controls instruction; Described control instruction far away comprises: number biography server On/Off task, On/Off distributing network data, On/Off store to the remotely-sensed data of data source request for data, certain passage of On/Off, the error rate resets.
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