CN105162512B - The processing of multichannel satellite remote sensing date and storage system and test method - Google Patents
The processing of multichannel satellite remote sensing date and storage system and test method Download PDFInfo
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- CN105162512B CN105162512B CN201510466325.3A CN201510466325A CN105162512B CN 105162512 B CN105162512 B CN 105162512B CN 201510466325 A CN201510466325 A CN 201510466325A CN 105162512 B CN105162512 B CN 105162512B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18517—Transmission equipment in earth stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18519—Operations control, administration or maintenance
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Abstract
The present invention provides a kind of processing of multichannel satellite remote sensing date and storage systems, wherein：Number passes server host and is equipped with PCI E data processings plate interface, gigabit network interface, 10,000,000,000 optical fiber ports and iSCSI data optical fiber coffrets；PCI E data processings boards are embedded in number by PCI E data processing plate interfaces and pass server host, and number passes server host and PCI E data processings boards complete satellite remote sensing date processing procedure jointly；Disk array passes server host with number by iSCSI data optical fiber coffrets and is connected, for storing satellite remote sensing date；10000000000 network switch pass server host with number by wherein 1 10,000,000,000 optical fiber port and connect；Number passes server host and passes base band request satellite remote sensing date communication to number by wherein 4 10,000,000,000 optical fiber ports.Provide the test method realized using above system simultaneously.The present invention effectively meets the storage of ultrahigh speed satellite remote sensing date and process demand.
Description
Technical field
The present invention relates to the storage of satellite ground ultrahigh speed remotely-sensed data and processing systems, specifically, referring to one kind
The processing of ultrahigh speed multichannel satellite remote sensing date and ISCSI storage systems and test of 10Gbps optical fiber transmission based on Ethernet
Method is applied to the ground test of satellite ultrahigh speed remotely-sensed data storage processing function.
Background technology
With the development of China's satellite industry in recent years, domestic remote sensing satellite data volume sharp increase, number passes bit rates
It is continuously improved, the satellite high speed remote sensing data test system being currently known only up to support 4 channel * 450Mbps bit rates
Real-time data memory processing.
13 China's high score satellite data transmission data floor treatment demand gaps are big, and part number passes product bit rate up to 4
Channel × 1.5Gbps has been developed that single channel bit rate is up to the modulator of 2.5Gbps, the floor treatment of respective rate at present
Technology cannot be satisfied existing data transmission rate, and ultrahigh speed satellite remote sensing date ground receiver has become international boat with processing system
Urgent problem to be solved in its development process.
Currently without the explanation or report for finding similar the relevant technologies, it is also not yet collected into data similar both at home and abroad.
Invention content
Difficult in order to solve the storage processing of ultrahigh speed remotely-sensed data multichannel, the present invention provides a kind of multichannel satellite is distant
Feel data processing and storage system and test method, which is based on the transmission of Ethernet 10Gbps optical fiber and iSCSI storages,
Number biography server host applies for that high speed satellite remotely-sensed data, application could support up four in real time to number biography base band during the test
Channel, number passes server host and high speed remote sensing initial data is stored in disk array in real time, and data-in library (can pass through
ORACLE11.0), support online to test assignment data, wrong data query and search.
To achieve the above object, the present invention is achieved by the following technical solutions.
According to an aspect of the invention, there is provided a kind of multichannel satellite remote sensing date processing and storage system, including：
Number passes server host, disk array (mating storage control respectively), PCI-E data processings board, gigabit networking interchanger
And 10,000,000,000 network switch, wherein：
It is described number pass server host be equipped with PCI-E data processings plate interface, gigabit network interface, 10,000,000,000 optical fiber ports and
ISCSI data optical fiber coffrets；
The PCI-E data processings board by by 3.0 X8 of PCI-E buses it is interface embedded in number pass server hosts,
The number passes server host and PCI-E data processings board completes satellite remote sensing date processing procedure jointly；
The disk array passes server host with number by iSCSI data optical fiber coffrets and is connected, for storing
Satellite remote sensing date；
The gigabit network interface is 2, and the gigabit networking interchanger passes server master by wherein 1 gigabit network interface with number
Machine is connected；
10,000,000,000 optical fiber port is 6, and 10,000,000,000 network switch is passed with number by wherein 1 10,000,000,000 optical fiber port and serviced
Device host connects；The number passes server host and passes base band request satellite remote sensing date to number by wherein 4 10,000,000,000 optical fiber ports
Communication.
Preferably, the multichannel satellite remote sensing date processing and storage system further include the test of lan network floor synthetic
System, the lan network floor synthetic test system pass server host with number by other 1 gigabit network interface and are connected.
Preferably, the disk array includes 4 independent array groups of physics, and correspondingly, the iSCSI data optical fiber passes
Defeated interface is 4 groups, and 4 array groups are communicated to connect by data optical fiber and 4 groups of iSCSI data optical fiber coffrets respectively.
Preferably, 4 array groups are connected with oracle database respectively, and the oracle database is for completing
The test assignment data record and wrong data query and search of satellite remote sensing date in array group.
Preferably, the gigabit networking interchanger and 10,000,000,000 network switch are connected separately with data terminal I and data are whole
Hold II.
Preferably, last 1 10,000,000,000 optical fiber port with high-speed data application terminal for being connected；The high-speed data application
Terminal is to carry out request of data rate in real time to reach 1Gbps or more..
According to another aspect of the present invention, a kind of survey of multichannel satellite remote sensing date processing and storage system is provided
Method for testing includes the following steps：
Step 1, number biography server host applies for satellite remote sensing initial data in real time to number biography base band；
Step 2, number passes server host and real-time satellite remote sensing initial data is stored in disk array by iSCSI protocol
In, and test assignment data and query and search wrong data are charged to 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
Then processing passes the synchronous parsing of frame into line number, carries out interpretation to frame format correctness, legitimacy, frame continuity and pass through LAN
The display terminal of network floor synthetic test system is shown, wrong data is written to the journal file of ORACLE databases；
Step 4, using following any processing procedure：
Number passes server host to the frame format after parsing according to CCSDS (Consultative Committee for
Space Data Systems, international space data system Advisory Board) standard to various satellite pseudo channels combine identify
(VCID) remotely-sensed data frame carries out classification extraction, and the number for needing to count combining according to VCID is passed frame to be sent out by PCI-E buses
It gives PCI-E data processing boards and carries out data combining processing, the data after combining return to number by PCI-E buses and pass server
Host；Or,
Number passes server host and combines mark to various satellite pseudo channels according to CCSDS standards to the frame format after parsing
Remotely-sensed data frame carry out classification extraction, it would be desirable to combine mark according to satellite pseudo channel and count the number of combining and pass frame into line number
It is handled according to combining；
Step 5, number passes server hosts the parsing of completion frame classification, combining treated data extracted valid data area,
And network data distribution is carried out by gigabit networking interchanger and 10,000,000,000 network switch；
When number passes server hosts treated satellite remote sensing date bit rate when within 1000Mbps, pass through kilomega network
Network interchanger sends low speed remotely-sensed data to the data terminal I being connected with gigabit networking interchanger；
When number passes server hosts treated satellite remote sensing date bit rate in 1000Mbps or more, pass through 10,000,000,000 nets
Network interchanger sends high speed remote sensing data to the data terminal II being connected with 10,000,000,000 network switch；
Step 6, number passes server host and tests system sending device state parameter to lan network floor synthetic, through comprehensive
The display terminal real-time display of lan network floor synthetic test system is sent to after the test system processing of lan network floor synthetic；
Step 7, the Homepage Publishing information that lan network floor synthetic test system real-time reception ORACLE databases provide,
Satellite remote sensing initial data is retrieved according to satellite test task names, test data classification and wrong data.
Preferably, in the step 1, application satellite remote sensing initial data could support up four channels, and each channel is mutual
It is independent.
Preferably, the step 3 further includes following process：
Number biography frame comparison sample is configured by ORACLE databases early period, and the number of configuration early period is passed into frame comparison sample and is defended
Star remote sensing initial data carries out data errors comparison in real time, and real on the display terminal that lan network floor synthetic tests system
When show comparison result.
Preferably, lan network floor synthetic test system passes the remote control of server host transmission to number by gigabit networking and refers to
It enables；The remote control, which instructs, includes：Number pass servers open/closing task, unlatching/closing distribution network data, unlatching/closing
To data source request for data, unlatching/close the remotely-sensed data storage in some channel, the bit error rate is reset.
Preferably, number passes server host and passes the satellite remote sensing initial data single channel bit rate that base band application obtains to number
Not less than 1.5Gbps, that is, meet real-time storage and number of the satellite remote sensing initial data of maximum 6Gbps rates in disk array
According to processing.
Preferably, disk array includes 4 independent memory channels of physics, and an each channel i.e. array group uses
Available capacity is no less than 75TB after RAID5 Redundancy Designs, and the disc sheet used is the height of 2.5 inches of monolithic 10000rpm rotating speeds
Fast disk, the total no less than 300TB memory spaces in 4 channels.Number passes servers by ISCSI technical protocols to disk storage battle array
Four array groups of row send ultrahigh speed remote sensing initial data in real time, and the rate conditions of single channel transmission data are not less than
1.5Gbps.Number passes the disk size on server host locally containing ten thousand rotating speeds and is not less than 4TB, and server uses 200GB's
The memory of SSD solid state disks and 128GB amount of capacity, server host is equipped with 2 gigabit network interfaces, 6 10,000,000,000 optical fiber interfaces
(SFP+ agreements), development hardware board and slot equipped with 2 PCIE interfaces.The interface that server has ISCSI agreements is used for
Real-time remotely-sensed data, the ISCSI interface transmission rate maximums 8Gbps of individual interface are sent to 4 groups of disk array groups.
Preferably, number passes server host and is carried out when number passes baseband format according to CORTEX HDR by main control software
Equipment data form is removed, and encumbrance passes frame raw data format and stored.Number passes servers master software in number
According to storage of the ultrahigh speed remotely-sensed data on disk array is realized in processing procedure, stores and generate a binary system per 4GB bytes
Data file is write in the storing process of data and takes read-write protection, and can carry out space when this document writes to 4GB sizes releases
Put reading data.Data after going divisor to pass baseband format pass frame head (0x1acffc1d or 0x according to the number configured
352EF853), frame synchronization strategy is parsed according to the frame format of software configuration, parses the frame head and configuration frame head ratio of acquisition
It is right, frame head is intercepted again according to the frame length of configuration if consistent, through realizing that it is correct that 5 times or more frame heads obtain repeatedly, depending on
It is completed for frame synchronization.In frame synchronizing process to the continuity of frame count, frame format interpretation, illegal virtual channel joint mark with
Configuration parameter is compared, and carries out the storage of the display and error log of software interface according to error message if inconsistent.Boundary
Face similar mistake every 50 displays one when showing, are convenient for the update of software interface.Combine mark according to the pseudo channel of configuration
(VCID) type carries out the classification extraction of frame, and real-time storage is in disk array；Single frames of the main control software support configuration
Number pass frame and real-time reception to number pass frame and carry out the bit error rate and compare, the region of comparison be the data field for counting biography frame, the area of comparison
Section configures on software interface；Main control software only parses the BPDU valid data that number passes region frame data, and the effective of acquisition
Data field gigabit networking or 10,000,000,000 networks carry out net distribution.Main control software can configure and remote sensing terminal computer communication
User name, password, ethernet ip address, network port number, and could support up at the same at least 25 remote sensing terminal computers
Carry out terminal data communication interaction.
Preferably, number passes server host and is realized through disk battle array group by the Homepage Publishing function of ORACLE databases
11.0 databases of ORACLE of upper deployment carry out information retrieval to a large amount of remotely-sensed datas being stored on disk array, retrieve item
Part supports test assignment title, testing time, pseudo channel joint mark, type of error message etc..Pass through visit in remote sensing terminal
Asking the IP address of disk array can enter the Web page the issuing function page, and by inputting number, to pass server system configured legal
The username and password for accessing Homepage Publishing enters, and as needed into the retrieval and inquisition of row information.
Preferably, data combining processing is to pass the continuitys that are counted according to VCID of frames going divisor to pass the number after baseband format
It is combined processing, servers master software realization can be passed by number or data to be combined are passed through by being combined the process of processing
PCIE buses, which are sent to PCIE hardware handles boards, to be realized and is combined and the data that return that treated.
Preferably, terminal data information interaction according to Utility Satellite ground digital transmission communication protocol realization number pass server with it is distant
Feel the communication interaction that terminal computer carries out；Remote sensing terminal is logged in number biography server transmission data, data application information, is exited
Information, number pass server and send satellite remote sensing date to remote sensing terminal computer.
Compared with prior art, the present invention has the advantages that：
1, the present invention is based on 10,000,000,000 network transmission protocols of SFP+ design number biography server interfaces to realize to number biography base band data
Source carries out multi-channel data acquisition, disclosure satisfy that existing data transmission rate.
2, number pass server hosts on design 6 10,000,000,000 network interfaces of SFP+, single port transmission rate be not less than 10Gbps, 2
PCIE hardware datas handle board, 2 gigabit network interfaces, 4 scsi data output interfaces.Server host local disk is effectively deposited
Space 4TB is stored up, using RAID5 Redundancy Designs, using ten thousand turns of disks (2.5 cun of boards, monolithic disk storage capacity 1.2TB), number
It passes server theme and takes high speed solid SSD disks 200GB and ten thousand turns of large capacity disc (capacity：It is hard 4TB) to be used in mixed way raising
Part data processing rate.
3, with it is in the prior art using hardware sorting unit, work station, rely primarily on hardware board and realize most of data
Processing is different, and the combining process of the satellite data transmission frame data of combining, error message recording process are placed on PCI-E numbers by the present invention
It is completed on board hardware processing platform according to handling, it is real that remaining data processing work transfers to number to pass server host control program
It is existing.4 road disk arrays (per road effective storage capacity for 75TB), RAID5 redundancies, ten thousand turns of magnetic disc array cards are used to realize magnetic
4 channel of disk array group pair, real-time effective storage that data are passed per the high speed satellite number of channel at least 2.0Gbps memory rates, together
When charge to oracle Server Manager Daemons and carry out aggregation of data management, support test assignment, test data, error format type
Online query management.Effectively meet the storage of ultrahigh speed satellite remote sensing date and process demand.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 be ultrahigh speed multichannel satellite remote sensing date processing transmit the present invention is based on Ethernet 10Gbps optical fiber and
ISCSI storage system interface relational graphs；
Fig. 2 be ultrahigh speed multichannel satellite remote sensing date processing transmit the present invention is based on Ethernet 10Gbps optical fiber and
ISCSI storage system functionality interface frameworks；
Fig. 3 passes channels for 4 independent numbers and passes frame VCID counting continuity combining processing design drawings according to number.
Specific implementation mode
It elaborates below to the embodiment of the present invention：The present embodiment is carried out lower based on the technical solution of the present invention
Implement, gives detailed embodiment and specific operating process.It should be pointed out that those skilled in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.
Embodiment
A kind of processing of multichannel satellite remote sensing date and storage system are present embodiments provided, including：Number passes server master
Machine, disk array (mating storage control respectively), PCI-E data processings board, gigabit networking interchanger and 10,000,000,000 networks
Interchanger, wherein：
It is described number pass server host be equipped with PCI-E data processings plate interface, gigabit network interface, 10,000,000,000 optical fiber ports and
ISCSI data optical fiber coffrets；
The PCI-E data processings board is embedded by PCI-E data processings plate interface (PCI-E bus 3.0X8 interfaces)
Server host is passed in number, the number passes server host and PCI-E data processing boards are completed at satellite remote sensing date jointly
Reason process；
The disk array passes server host with number by iSCSI data optical fiber coffrets and is connected, for storing
Satellite remote sensing date；
The gigabit network interface is 2, and the gigabit networking interchanger passes server master by wherein 1 gigabit network interface with number
Machine is connected；
10,000,000,000 optical fiber port is 6, and 10,000,000,000 network switch is passed with number by wherein 1 10,000,000,000 optical fiber port and serviced
Device host connects；The number passes server host and passes base band request satellite remote sensing date to number by wherein 4 10,000,000,000 optical fiber ports
Communication.
The present embodiment is further described below in conjunction with the accompanying drawings.
As shown in Figure 1, the present embodiment includes：It is (mating respectively that 1 high-performance number passes server host C, 4 groups of disk array B
Storage control), 2 PCIE hardware handles plate interfaces F, a gigabit networking interchanger I, 6 groups of SPF+ 10,000,000,000 optical fiber G, 4 sets
ISCSI data optical fiber coffrets D.Wherein, number passes server host (including PCIE data processings board) and realizes that ultrahigh speed 4 is logical
Each 1.5Gbps numbers in road pass data high-speed real-time storage；Server interface includes 2 high-speed PCI E boards interfaces, 6 10,000,000,000 light
Fine mouth, 2 gigabit network interface E；Disk array includes 4 array groups, effective total capacity 300TB after RAID5 Redundancy Designs, battle array
The a large amount of remotely-sensed datas for arranging storage provide retrieval M by 11 data-base recordings of Oracle；Express network distributing portion is by kilomega network
Network interchanger, SFP+ agreements 10,000,000,000 group of switches at J.Data handling procedure passes server main program and PCIE hardware by number
Board collaboration is completed.The Homepage Publishing function L of design so that the terminal of the same network segment is in remotely-sensed data storage processing system
Test assignment, abnormal remotely-sensed data, wrong data etc. can be retrieved with online access.
Multichannel satellite remote sensing date processing provided in this embodiment and storage system, test method include following step
Suddenly：
Step 1, number biography server host applies for that high speed satellite remotely-sensed data, application could support up in real time to number biography base band A
Four channels, each channel are mutual indepedent.
Step 2, number passes server host and is stored in disk array by the real-time high speed remote sensing initial data of ISCSI agreements
In, and by the management software data-in libraries ORACLE11.0 for test assignment data, wrong data query and search.
Step 3, the remotely-sensed data after completing to store is carried out number and passes baseband equipment format analysis processing by number biography server, then
The synchronous parsing that frame is passed into line number carries out interpretation to frame format correctness, legitimacy, frame continuity and passes the main journey of server in number
Record is shown on sequence interface, and wrong data write-in journal file is recorded.Support that passing frame by the number configured early period compares
Sample carries out data errors comparison function in real time to test data, and passes real-time display on server interface in number and compare knot
Fruit.
Step 4, number passes server and is marked to various satellite pseudo channels joint according to CCSDS standards to the frame format after parsing
The remotely-sensed data frame for knowing (VCID) carries out classification extraction, and the number for needing to count combining according to VCID, which is passed frame, passes through PCIE buses
It is sent to PCIE hardware handles boards and is combined processing, the data after combining return to number by PCIE buses and pass server；Or
Servers master software is directly passed by number and completes data combining process.
Step 5, number pass servers the parsing of completion frame classification, treated that data extracted valid data area passes through number for combining
The net distribution module for passing server main program carries out network data distribution.Number passes the remotely-sensed data bit rate after server process
The Gigabit Ethernet E of servers configuration are passed to coupled gigabit networking interchanger and data by number when within 1000Mbps
Terminal IN sends low speed remotely-sensed data.When counting the remotely-sensed data bit rate after passing server process in 1000Mbps or more, need
Ten thousand Broadcoms of server configuration are passed by number, the mode of 10,000,000,000 optical transport of Ethernet sends height to ten thousand mbit ethernet interchangers
Fast remotely-sensed data is to high bit rate data terminal II 0.
Step 6, number passes server to comprehensive survey server sending device state parameter, is sent to through comprehensive survey server process comprehensive
Survey display terminal Real time vision.Comprehensive survey server can also pass server host hair by Ethernet gigabit networking to number
Send remote control instruction.
Step 7, comprehensive display terminal of surveying can receive the webpage hair that inquiry number passes the offer of ORACLE11.0 databases in real time
Cloth information retrieves remote sensing initial data according to satellite test task names, test data classification, wrong data.
Further, number passes server host and passes the satellite remote sensing date single channel bit rate of base band application acquisition not to number
It is ultrahigh speed remotely-sensed data less than 1.5Gbps, the satellite that the present embodiment can at most support 4 channel rates respectively and be 1.5Gbps is distant
Sense data receive storage and processing simultaneously, meet reality of the original remotely-sensed data of satellite of maximum 6Gbps rates in disk array
When storage and data processing.
Further, 4 independent memory channels of physics of disk array point, each channel is an array group, is made
It is no less than 75TB with available capacity after RAID5 Redundancy Designs, the disc sheet used is 2.5 inches of monolithic 10000rpm rotating speeds
Hyperdisk, the total no less than 300TB memory spaces in 4 channels.Number passes server and is deposited to disk by ISCSI technical protocols
Four array groups of storage array send ultrahigh speed remote sensing initial data in real time, and the rate conditions of single channel transmission data are not less than
1.5Gbps.Number passes the disk size on server host locally containing ten thousand rotating speeds and is not less than 4TB, and server uses 200GB's
The memory of SSD solid state disks and 128GB amount of capacity, server host is equipped with 2 gigabit network interfaces, 6 10,000,000,000 optical fiber interfaces
(SFP+ agreements), development hardware board and slot equipped with 2 PCIE interfaces.The interface that server has ISCSI agreements is used for
Real-time remotely-sensed data, the ISCSI interface transmission rate maximums 8Gbps of individual interface are sent to 4 groups of disk array groups.
Further, number passes server host and is carried out when number passes baseband format according to CORTEX by main control software
HDR equipment data forms are removed, and encumbrance passes frame raw data format and stored.Number passes servers master software
Storage of the ultrahigh speed remotely-sensed data on disk array is realized in data processing, is stored and is generated one two per 4GB bytes
Binary data file is write in the storing process of data and takes read-write protection, and sky can be carried out when this document writes to 4GB sizes
Between release read data.Data after going divisor to pass baseband format pass frame head (0x1acffc1d or 0x according to the number configured
352EF853), frame synchronization strategy is parsed according to the frame format of software configuration, parses the frame head and configuration frame head ratio of acquisition
It is right, frame head is intercepted again according to the frame length of configuration if consistent, through realizing that it is correct that 5 times or more frame heads obtain repeatedly, depending on
It is completed for frame synchronization.In frame synchronizing process to the continuity of frame count, frame format interpretation, illegal virtual channel joint mark with
Configuration parameter is compared, and carries out the storage of the display and error log of software interface according to error message if inconsistent.Boundary
Face similar mistake every 50 displays one when showing, are convenient for the update of software interface.Combine mark according to the pseudo channel of configuration
(VCID) type carries out the classification extraction of frame, and real-time storage is in disk array；Single frames of the main control software support configuration
Number pass frame and real-time reception to number pass frame and carry out the bit error rate and compare, the region of comparison be the data field for counting biography frame, the area of comparison
Section configures on software interface；Main control software only parses the BPDU valid data that number passes region frame data, and the effective of acquisition
Data field gigabit networking or 10,000,000,000 networks carry out net distribution.Main control software can configure and remote sensing terminal computer communication
User name, password, ethernet ip address, network port number, and could support up at the same at least 25 remote sensing terminal computers
Carry out terminal data communication interaction.
Further, number, which passes server host and realized by the Homepage Publishing function of ORACLE11.0 databases, passes through magnetic
11.0 databases of ORACLE disposed in disk battle array group carry out information retrieval to a large amount of remotely-sensed datas being stored on disk array,
Search condition supports test assignment title, testing time, pseudo channel joint mark, type of error message etc..In remote sensing terminal
IP address by accessing disk array can enter the Web page the issuing function page, and passing server system by inputting number configured
The username and password of Lawful access Homepage Publishing enter, and as needed into the retrieval and inquisition of row information.
Further, data combining processing procedure be go divisor pass baseband format after number pass frames counted according to VCID
Continuity is combined processing, is combined the process of processing and can pass servers master software realization by number or data to be combined
It is sent to PCIE hardware handles boards by PCIE buses and realizes and is combined and the data that return that treated.
Further, the data information interaction of data terminal, passes according to Utility Satellite ground digital transmission communication protocol realization number
The communication interaction that server is carried out with remote sensing terminal computer；Remote sensing terminal to number pass server transmission datas log in, data Shen
Please information, exit information, number passes servers and sends satellite remote sensing date to remote sensing terminal computer.
In the present embodiment：
Number biography server host applies for high speed satellite remotely-sensed data in real time to number biography base band during test method, and application is most
Branched to hold four channels, number passes server host and high speed remote sensing initial data is stored in disk array, and data-in in real time
Library (can pass through ORACLE11.0), support online to test assignment data, wrong data query and search.
Remotely-sensed data after completing to store is carried out number and passes baseband equipment format analysis processing by number biography server host, is counted and is passed frame
Synchronization, interpretation frame format correctness, frame continuity, and number pass servers master software interface real-time displays, mistake
Journal file is written in data.This system is supported to pass frame comparison sample by configuring number early period, to test data real time data error code
It compares, and real-time display comparison result.
Number passes server host and combines mark to various satellite pseudo channels according to CCSDS standards to the frame format after parsing
(VCID) remotely-sensed data frame carries out classification extraction, and the number for needing to count combining according to VCID, which is passed frame, to be sent at PCIE hardware
Reason board is combined processing, and the data after combining return to number by PCIE buses and pass server；Also can not by PCIE boards,
And servers master software is directly passed by number and completes data combining process.
Number passes the network point that the valid data area data of the parsing of completion frame, combining processing are passed through main program by server host
It sends out module and carries out network data distribution.Number, which passes server, to be had to comprehensive survey server sending device state parameter function, through comprehensive survey
Server process is sent to display terminal Real time vision number and passes state parameter.It can also be connect by Ethernet gigabit networking
Receive the remote control instruction that comprehensive survey server is sent.Comprehensive survey display terminal can be with real-time query Remote Sensing Database, searching web pages publication letter
Breath.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (9)
1. a kind of test method of multichannel satellite remote sensing date processing and storage system, which is characterized in that using following mostly logical
Road satellite remote sensing date processing and storage system, including：
Number passes server host, disk array, PCI-E data processings board, gigabit networking interchanger and 10,000,000,000 network exchanges
Machine, wherein：It is described number pass server host be equipped with PCI-E data processings plate interface, gigabit network interface, 10,000,000,000 optical fiber ports and
ISCSI data optical fiber coffrets；The PCI-E data processings board is passed by the way that 3.0 X8 of PCI-E buses is interface embedded in number
Server host, the number passes server host and PCI-E data processings board completes satellite remote sensing date processing procedure jointly；
The disk array passes server host with number by iSCSI data optical fiber coffrets and is connected, for storing satellite remote sensing
Data；The gigabit network interface is 2, and the gigabit networking interchanger passes server host by wherein 1 gigabit network interface with number
It is connected；10,000,000,000 optical fiber port is 6, and 10,000,000,000 network switch is passed with number by wherein 1 10,000,000,000 optical fiber port and serviced
Device host connects；The number passes server host and passes base band request satellite remote sensing date to number by wherein 4 10,000,000,000 optical fiber ports
Communication；
Described method includes following steps：
Step 1, number biography server host applies for satellite remote sensing initial data in real time to number biography base band；
Step 2, number passes server host and real-time satellite remote sensing initial data is stored in disk array by iSCSI protocol,
And test assignment data and query and search wrong data are charged to by ORACLE databases；
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 the synchronous parsing that frame is passed into line number, carries out interpretation to frame format correctness, legitimacy, frame continuity and passes through lan network
The display terminal of floor synthetic test system is shown, wrong data is written to the journal file of ORACLE databases；
Step 4, using following any processing procedure：
Number passes server host and is defended to various according to international space data system Advisory Board standard to the frame format after parsing
The remotely-sensed data frame of star pseudo channel joint mark carries out classification extraction, is counted needing to combine mark according to satellite pseudo channel
The number of combining passes frame and is sent to the progress data combining processing of PCI-E data processing boards, the data after combining by PCI-E buses
Number, which is returned, by PCI-E buses passes server host；Or,
Number passes server host and is defended to various according to international space data system Advisory Board standard to the frame format after parsing
The remotely-sensed data frame of star pseudo channel joint mark carries out classification extraction, it would be desirable to combine mark according to satellite pseudo channel and count
The number of combining passes frame and carries out data combining processing；
Step 5, number passes server hosts the parsing of completion frame classification, combining treated data extracted valid data area, and leads to
It crosses gigabit networking interchanger and 10,000,000,000 network switch carries out network data distribution；
When number passes server hosts treated satellite remote sensing date bit rate when within 1000Mbps, handed over by gigabit networking
It changes planes and sends low speed remotely-sensed data to the data terminal I being connected with gigabit networking interchanger；
When number passes server hosts treated satellite remote sensing date bit rate in 1000Mbps or more, passes through 10,000,000,000 networks and hand over
It changes planes and sends high speed remote sensing data to the data terminal II being connected with 10,000,000,000 network switch；
Step 6, number passes server host and tests system sending device state parameter to lan network floor synthetic, through lan network
The display terminal real-time display of lan network floor synthetic test system is sent to after the integrated test system processing of face；
Step 7, the Homepage Publishing information that lan network floor synthetic test system real-time reception ORACLE databases provide, according to
Satellite test task names, test data classification and wrong data retrieve satellite remote sensing initial data.
2. the test method of multichannel satellite remote sensing date processing and storage system according to claim 1, feature exist
In in the step 1, application satellite remote sensing initial data could support up four channels, and each channel is mutual indepedent.
3. the test method of multichannel satellite remote sensing date processing and storage system according to claim 1, feature exist
In the step 3 further includes following process：
Number biography frame comparison sample is configured by ORACLE databases early period, and the number of configuration early period is passed into frame comparison sample and satellite is distant
Sense initial data carries out data errors comparison in real time, and is shown in real time on the display terminal that lan network floor synthetic tests system
Show comparison result.
4. the test method of multichannel satellite remote sensing date processing and storage system according to claim 1, feature exist
In lan network floor synthetic tests system and passes the remote control instruction of server host transmission to number by gigabit networking；The remote control refers to
Order includes：Number pass servers open/closing task, unlatching/closing distribution network data, unlatching/closing is to data source application number
According to, unlatching/close the remotely-sensed data storage in some channel, the bit error rate is reset.
5. the test side of multichannel satellite remote sensing date processing and storage system according to any one of claim 1 to 4
Method, which is characterized in that the multichannel satellite remote sensing date processing further includes that the test of lan network floor synthetic is with storage system
System, the lan network floor synthetic test system pass server host with number by other 1 gigabit network interface and are connected.
6. the test side of multichannel satellite remote sensing date processing and storage system according to any one of claim 1 to 4
Method, which is characterized in that the disk array includes 4 independent array groups of physics, and correspondingly, the iSCSI data optical fiber passes
Defeated interface is 4 groups, and 4 array groups are communicated to connect by data optical fiber and 4 groups of iSCSI data optical fiber coffrets respectively.
7. the test method of multichannel satellite remote sensing date processing and storage system according to claim 6, feature exist
In 4 array groups are connected with oracle database respectively, and the oracle database is for completing satellite in array group
The test assignment data record and wrong data query and search of remotely-sensed data.
8. the test side of multichannel satellite remote sensing date processing and storage system according to any one of claim 1 to 4
Method, which is characterized in that the gigabit networking interchanger and 10,000,000,000 network switch are connected separately with data terminal I and data terminal
II。
9. the test side of multichannel satellite remote sensing date processing and storage system according to any one of claim 1 to 4
Method, which is characterized in that last 1 10,000,000,000 optical fiber port with high-speed data application terminal for being connected；The high-speed data application
Terminal is the terminal for carrying out request of data rate in real time and reaching 1Gbps or more.
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| CN105721044B (en) * | 2016-03-29 | 2018-11-23 | 上海卫星工程研究所 | The storage of satellite panorama test data and playback system and method |
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| CN111262620B (en) * | 2020-04-26 | 2020-07-31 | 武汉卓目科技有限公司 | Test data simulation method and system capable of flexibly customizing frame format |
| CN112152699B (en) * | 2020-09-28 | 2022-05-27 | 上海航天测控通信研究所 | Data combining and distributing processing system |
| CN113014301B (en) * | 2020-09-29 | 2022-08-19 | 北京空间飞行器总体设计部 | Satellite remote-measurement multi-source multi-purpose topology interconnection and combination processing device |
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