CN103679352A - Satellite demand processing system based on negotiation countermeasure conflict resolution - Google Patents

Satellite demand processing system based on negotiation countermeasure conflict resolution Download PDF

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CN103679352A
CN103679352A CN201310632262.5A CN201310632262A CN103679352A CN 103679352 A CN103679352 A CN 103679352A CN 201310632262 A CN201310632262 A CN 201310632262A CN 103679352 A CN103679352 A CN 103679352A
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satellite
instruction
list
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CN103679352B (en
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邱虎
刘明亮
喻文勇
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China Center for Resource Satellite Data and Applications CRESDA
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Abstract

The invention relates to a satellite demand processing system based on negotiation countermeasure conflict resolution. The method includes that a client acquisition module determines a preliminary access track of a satellite and outputs the preliminary access track to users; the users submit access demand lists to an acquisition list archiving module; the acquisition list archiving module feeds product data to the corresponding users, sorts the rest legal access demand lists by priority and stores and archives the same; an acquisition list processing module extracts acquisition list information in priority order, performs redundancy resolution on time information and space information in the acquisition list information, generates an acquisition mission list and sends the acquisition mission list to a satellite mission planning module; the satellite mission planning module performs strip division on an observation area in the acquisition mission list according to satellite imaging capacity, and combines with satellite orbit access features to generate a satellite observation list; a command generation module generates the satellite observation list into a remote control command, and uploads the remote control command to the satellite; an acquisition list feedback module acquires data information corresponding to the satellite observation list from a ground data processing public management platform of the satellite.

Description

A kind of satellite demand disposal system based on consulting countermeasure conflict resolution
Technical field
The invention belongs to Sputnik program method of combination, be specifically related to a kind of satellite demand disposal route based on consulting countermeasure conflict resolution algorithm.
Background technology
Along with domestic remote sensing satellite technical merit improves, range of application constantly expands, and user is also more and more to the demand of satellite, and the form that demand is submitted to is also various, comprises phone, fax, network etc.It to the task management and control of Satellite Payloads, is the management control core of ground handling system, system is carried out pooled analysis to each rank user's request, user's request is converted into the steering order of controlling high resolving power earth observation systems, scheduling arranges the collection of earth observation platform to obtain observation data and ground system receives reception and the transmission that resource completes data.And complete monitoring management and the command scheduling to star ground system.
Ground system is conventionally divided task order processing subsystem and is realized this function, and this subsystem is the information hub of accepted user observation requirements, is responsible for receiving the data acquisition demand of different user, the systematic observation task that generating standardization is described; All tasks are carried out to pre-service simultaneously, comprise visibility analysis and the division to regional aim of point target, the covering power analysis of high resolving power earth observation satellite system to regional aim, task conflict analysis etc., also to carry out tracking and monitoring to the executing state of system task in addition, and mission bit stream corresponding to user's sequence information, order and the execution state information of task are carried out to integrated management.
Above-mentioned user's request disposal route is the method generally adopting at present, can complete current various user and gather demand, but also have the problem of following three aspects:, the one, user participate in and degree of interchange inadequate, the response time of user's request is longer; The 2nd, for describing wide in range user's request, while particularly requiring a large amount of satellites to participate in goal task planning, it is not high that task conflict is cleared up efficiency; The 3rd, the method needs more artificial participation, has increased work complexity and error probability to personnel.
Aspect conflict resolution, be generally according to the pre-determined target of user design, selection algorithm, in the process of scheduling, cleared up to a certain extent the conflict that this one-phase may exist, as the conflict of a plurality of time windows to same goal task, a plurality of tasks are to resource contention of window at the same time etc.The collision problem research of the pretreatment stage of dispatching for user's request, order rank etc. is less.
Summary of the invention
Technology of the present invention is dealt with problems and is: for prior art defect, provide a kind of satellite demand disposal system based on consulting countermeasure conflict resolution, this system can the convenient and swift remotely-sensed data that customization is provided to user.
Technical solution of the present invention is: a kind of satellite demand disposal system based on consulting countermeasure conflict resolution, comprises client acquisition module, gathers single filing module, gathers single processing module, satellite mission planning module, gathers single feedback module;
Client acquisition module utilizes the up-to-date orbital tracking of satellite to determine the preliminary interview track of satellite, and exports to user; User submits requirements for access list according to the preliminary interview track of satellite to gathering single filing module;
Gather single filing module all requirements for access lists that receive are carried out to validity checking, abandon unauthorized access requirement report and feed back to relative users, and inquire about in product library, whether to store the product data that Lawful access requirement report is corresponding, if exist, directly from product library, product data are fed back to relative users, and will remain Lawful access requirement report according to prioritization stores archive;
Gather single processing module and according to priority orders, from filed requirements for access list, extract the single information of collection, temporal information and spatial information in the single information of collection are carried out to redundancy and clear up, generate acquisition tasks list and be also sent to satellite mission planning module; Between described acquisition tasks list and requirements for access list, there are mapping relations;
Satellite mission planning module is carried out band division by the observation area in acquisition tasks list according to satellite imagery ability, in conjunction with satellite orbit access characteristics, generates moonscope list; Between described acquisition tasks list and moonscope list, there are mapping relations;
Instruction generation module generates telecommand by moonscope list, on note to satellite;
Gather single feedback module and obtain from satellite ground data processing public administration platform the data message that moonscope list is corresponding, and be stored in product library.
Described instruction generation module performing step is as follows:
(1) set up remote sensing satellite remote sensing instruction and send link rule;
(2) set up satellite forward instruction template base: combing satellite all working project first, arranges index by each job; Then each job of satellite is decomposed into basic operation unit, each basic operation unit arranges index number, and carries out information labeling for the input parameter item of each basic operation unit; Described basic operation unit is the different working modes of remote sensing satellite operating load;
(3) set up instruction template sequence of rules storehouse: according to the course of work of each basic operation unit of remote sensing satellite, the execution step of each basic operation unit, interval time, execution code word are stored in instruction template sequence of rules storehouse separately;
(4) according to the survey plan of user input, call satellite forward instruction template base, determine job that this survey plan is corresponding and the basic operation unit under each job;
(5) according to definite basic operation unit in step (4), call corresponding instruction template sequence of rules storehouse, according to the instruction encapsulation format of remote sensing satellite, the execution step of above-mentioned definite job, basic operation unit and basic operation unit, interval time, execution code word are encapsulated, generate the executable instruction sequence piece of complete satellite;
(6) from the instruction sequence piece of above-mentioned generation, parse basic operation unit, in decision instruction sequence blocks, whether the execution step of basic operation unit, interval time meet the constraint requirements in the reverse order parameter item of satellite template base, if do not meet, the instruction template sequence of rules storehouse of setting up in the survey plan of hand inspection user input and step (3), starts to re-execute from step (4) after modification; Otherwise go to step (7);
(7) will meet the instruction sequence piece storage of constraint condition, and be sent to satellite instruction Shang Zhu center according to the remote sensing instruction transmission link rule of setting up in step (1), by satellite instruction Shang Zhu center, be uploaded to satellite.
The reverse order parameter item of described satellite template base comprises that instruction code word sequence number, instruction codeword sequence, command content, instruction constraint sequential require requirement associated with instruction template; Described command content is corresponding with basic operation unit;
Convert the constraint condition under satellite operating load different working modes to constraint formulations, be stored in the requirement of instruction constraint sequential; According to the survey plan of user's input, the execution sequencing of each execution step of basic operation unit is stored in the associated requirement of instruction template.
In described step (1), remote sensing instruction sends the link mechanism that link rule adopts " three sentence two ", for each instruction sequence piece, all sends three times, and two instruction sequence pieces that extract wherein carry out CRC comparison, and the instruction sequence piece that comparison is passed through sends.
The present invention compared with prior art beneficial effect is:
(1) client acquisition module of the present invention utilizes the up-to-date orbital tracking of satellite to determine the preliminary interview track of satellite, and export to user, both for user provides the foundation of extracting demand data, facilitated the preliminary assurance of user to data observation time, the pressure of clearing up of elementary requirement report be can alleviate for the Sputnik program layout of service end again, feasibility and success ratio that user obtains data improved.
(2) the present invention integrates the requirements for access list of reception the factors such as merger consideration job order demand type, satellite work constraint, data storage constraints, data down transmission restriction.For the various collection demand of user type, conflict resolution algorithm based on consulting countermeasure can better be brought into play its advantage function, to dispatching in pretreatment stage the collision problem producing at satellite resource parameter layer in mission planning, be optimized and handle through consultation, and then generate and meet observation mission plan and the data receiver plan that satellite load restraint, land station receive the various constraint conditions such as constraint.
Accompanying drawing explanation
Fig. 1 is the block diagram of system of the present invention;
Fig. 2 is client demand collecting flowchart of the present invention;
Fig. 3 is that job order of the present invention receives flow process;
Fig. 4 is job order treatment scheme of the present invention;
Fig. 5 is mission planning schematic flow sheet of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details.A kind of satellite demand disposal system based on consulting countermeasure conflict resolution of the present invention, as shown in Figure 1, comprises client acquisition module, gathers single filing module, gathers single processing module, satellite mission planning module, gathers single feedback module; Each module cooperative work both provided for user the foundation of extracting demand data, had facilitated the preliminary assurance of user to data observation time, can alleviate for the Sputnik program layout of service end the pressure of clearing up of elementary requirement report again.
(1) client acquisition module
Client acquisition module utilizes the up-to-date orbital tracking of satellite to determine the preliminary interview track of satellite, and exports to user; User submits requirements for access list according to the preliminary interview track of satellite to gathering single filing module; As shown in Figure 2:
Client acquisition module can be designed as BS structure or CS structure, comprise satellite resource selection, selection of time, region is selected, result is shown, submit task dispatching element to, in Table 1, user can select relevant parameter by human-computer interaction interface, client acquisition module is according to user's selection, utilize the up-to-date orbital tracking of satellite to determine the preliminary interview track of satellite, can adopt HPOP orbit prediction algorithm to complete the satellite Time Calculation of passing by, the moonscope cover time calculates, satellite turnover earth's shadow district constantly, the forecasts such as the scanning areal coverage of the sub-satellite track of satellite and satellite sensor.
The explanation of table 1 client plan layout man-machine interface element
Figure BDA0000426506990000051
The requirements for access list that user submits to is mainly divided into conventional acquisition tasks list, user's acquisition tasks list and fast anti-acquisition tasks list, the priority orders of three class requirements for access lists be fast anti-acquisition tasks list higher than user's acquisition tasks list higher than conventional acquisition tasks list, requirements for access list internal data is in Table 2:
Table 2 acquisition tasks list internal data table
Figure BDA0000426506990000052
(2) gather single filing module
As shown in Figure 3, gather single filing module all requirements for access lists that receive are carried out to validity checking, abandon unauthorized access requirement report and feed back to relative users, and inquire about in product library, whether to store the product data that Lawful access requirement report is corresponding, if exist, directly from product library, product data are fed back to relative users, and will remain Lawful access requirement report according to prioritization stores archive;
First prioritization classifies all requirements for access lists, and according to fast anti-acquisition tasks list, higher than user's acquisition tasks list, the principle higher than conventional acquisition tasks list sorts; Then will under similar requirements for access list, according to user-defined priority, sort.
(3) gather single processing module
Gather single processing module and according to priority orders, from filed requirements for access list, extract single (being acquisition tasks list) information that gathers, temporal information and spatial information in the single information of collection are carried out to redundancy and clear up, generate acquisition tasks list and be sent to satellite mission planning module; Between described collection list and requirements for access list, there are mapping relations; Gather single mainly task conflict based on consulting countermeasure and clear up algorithm generation, the basic thought that negotiation countermeasure solves is, if the each side of countermeasure can observe some common criterions and select solution of a game, so as long as these criterions are all " reasonably " and " acceptable " to each side, they just can, in the situation that needn't there is a true arbitrator, try to achieve negotiation countermeasure solution according to meeting certain " procedures of arbitration ".Its workflow mainly comprises following link (accompanying drawing 4):
(1) gather single extraction; According to gathering single acquisition time parameter reference, go out within cycle short period and will participate in the collection list of planning, then classify according to gathering single priority.
(2) gather single demonstration; By gathering single pickup area, in map interface, show.
(3) gathering single redundancy processes; Artificial selection collection list, gathers individual palpation task conflict as agreed by space overlap and time-interleaving and clears up algorithm and calculate, and deletes the collection list of repeated and redundant.
(4) gather single output; Collection before and after conflict resolution in previous step is singly set up to mapping relations, according to track, calculate and forecast, judge whether the collection list after conflict resolution has visible time window, if nothing is labeled as the acquisition tasks list that cannot complete; If have, the acquisition tasks nonoculture after this being cleared up is the input of satellite mission planning module.
(5) gather single inquiry and feedback; By the collection list status indicator before and after conflict resolution, give user's feedback query.
(4) satellite mission planning module
Satellite mission planning module resolves into single " first task " by the observation area in acquisition tasks list according to satellite imagery ability, be about to the acquisition tasks in a large region, in conjunction with satellite orbit access characteristics, resolve into a plurality of first tasks that are elementary cell according to the fabric width of satellite.
The uncertainty arranging due to acquisition tasks list, and the energy constraint etc. that is subject to satellite itself, the energy that each task scheduling will adopt action to consume is simultaneously difficult to quantize, so requirement is carried out continuous iteration optimizing to mission planning algorithm.This algorithm is chosen the highest task of task queue medium priority that do not arrange in realizing at every turn again, according to the principle of the synthetic financial value maximum of first task, choose next by first task to be processed, and arrange the passback of the complete task of arrangement at once later in individual task observation, then check that whether observation mission and passback task meet institute's Constrained, decide the choice of task with this.Being described below of mission planning algorithm, overview flow chart as shown in Figure 5.
Step1: obtain the acquisition tasks list that gathers single processing module output, and be decomposed into first task;
Step2: read first mission bit stream;
Step3: process recording the first task section of expansion,, when a certain task exceeds land station can range of receiving time, adopt logging mode, short first task band is expanded to the rectangular band that meets satellite covering band;
Step4: arrange first task according to priority order from high to low, form first task list;
Step5: according to priority the highest rule is chosen current task Ti, checks whether task is finished, if turn Step9;
Step6: determine according to rule whether current task Ti arranges observation, if arrange to turn Step7, otherwise turn Step4;
Step7: judge whether Ti is logger task, if whether logger task can arrange passback by rule inspection from the nearest passback window of Ti, if can arrange to turn Step8, otherwise turn Step4;
Step8: check electric weight, storage and the various constraint of Ti, satisfied task Ti is put into observation program list;
Step9: check whether to also have available passback window, arrange normal work to do, and Ti is carried out to constraint checking if having, the Ti by constraint checking can put into observation program list., if do not export final programme.
(5) instruction generation module
Instruction generation module generates telecommand by moonscope list, on note to satellite; Specific implementation step is as follows:
(1) set up remote sensing satellite remote sensing instruction and send link rule; For guaranteeing the validity and reliability of data in link process of transmitting, in link protocol, adopt the link mechanism of " three sentence two ", for each instruction task, all send three times, extract two director data pieces wherein carry out CRC(verification and) comparison, if result is consistent, can guarantee to send 100% correctness of director data.
(2) set up satellite forward instruction template base;
First combing satellite all working project, generally comprises the imaging of real biography, is recorded as picture, playback, side-sway imaging, load parameter adjustment etc.
Then each job is decomposed into basic operation unit, for example the imaging of real biography comprises that real imaging, the B camera of passing of A camera passes imaging in fact; Side-sway imaging comprises whole star positive-angle side-sway and whole star negative angle side-sway; Load parameter adjustment comprises A camera focusing, the adjustment of B camera gain etc.
Again, for each basic operation unit arranges index number (being template numbering), by information labelings such as basic operation unit input parameter items, following table 1 is template base example simultaneously:
Figure BDA0000426506990000081
Figure BDA0000426506990000091
For example: realize the real task that passes imaging of side-sway-8 degree, will call template number is M[1], M[2], M[1+n] three templates complete this task jointly, also will obtain the required number of parameters of this task and content of parameter simultaneously.
(3) set up instruction template sequence of rules storehouse;
The instruction items sequence of to the effect that setting up each basic operation unit in this sequence of rules storehouse, arranges execution step, interval time, instruction code word of each action-item etc., in detail for completing single task item.Following table 2 is A camera real time imagery M[1] instruction template sequence of rules storehouse example:
Sequence number Sequential requirement Coded instructions Instruction title Instruction code word
Cod[1][1] T[1]=T-100 KARS[1] Data transmission subsystem powers up 02EAAAAH
Cod[1][2] T[2]=T-60 KARS[2] Coding unit start 60AAAAAH
Cod[1][3] T[3]=T-26 KARS[3] Condensing encoder start 5B3AAAAH
Cod[1][i] T[i]=T KARS[4] A camera real time imagery is opened 00B3AAAH
…… …… …… …… ……
By various load jobs cataloguing warehouse-in, each instruction code word, execution step and interval time philosophy set up corresponding data database table structure, meanwhile, can regularly to instruction template, safeguard, add grand action and instruction map maintenance etc.
(4) according to moonscope list, call satellite forward instruction template base, determine that this observes corresponding job and the basic operation unit under each job;
(5) according to definite basic operation unit in step (4), call corresponding instruction template sequence of rules storehouse, according to the instruction encapsulation format of remote sensing satellite, the execution step of above-mentioned definite job, basic operation unit and basic operation unit, interval time, execution code word are encapsulated, generate the executable instruction sequence piece of complete satellite;
Different remote sensing satellites have similar instruction encapsulation format, and the front and back that are generally valid data district encapsulate respectively build and fast tail, generate the complete instruction Frame of regular length.Following table 3 is its common encapsulating structure:
Figure BDA0000426506990000101
For example: realize the real task that passes imaging of side-sway-8 degree, will call template number is M[1], M[2], M[1+n] three templates complete this task jointly, its effective instruction data are: 01AA106033E10104FF09AA D835E10104FF0A AA.Instruction block after encapsulation is: B1B269DC325F01AA106033E10104FF09AA D835E10104FF0A AA9225AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA.
(6) from the instruction sequence piece of above-mentioned generation, parse basic operation unit, in decision instruction sequence blocks, whether the execution step of basic operation unit, interval time meet the constraint requirements in the reverse order parameter item of satellite template base, if do not meet, the instruction template sequence of rules storehouse of setting up in the survey plan of hand inspection user input and step (3), starts to re-execute from step (4) after modification; Otherwise go to step (7);
The reverse order parameter item of satellite template base comprises that instruction code word sequence number, instruction codeword sequence, command content, instruction constraint sequential require requirement associated with instruction template; Described command content is corresponding with basic operation unit; During requiring, instruction constraint sequential stores constraint formulations, this constraint formulations is converted according to the constraint condition under satellite operating load different working modes, such as the start-up command of camera should be later than at least 40s of start-up command, T[1 in can requiring by instruction constraint sequential in table 3]-T[2] <-40s represents.
In the associated requirement of instruction template, store the execution sequencing of each execution step of basic operation unit.M[1 for example] be template number, Cod[1] [i]=InCod[j] represent that the instruction code in the instruction template sequence of rules storehouse in forward table 2 should be identical with reverse template base instruction codeword sequence.
According to the characteristic of different satellites, constraint condition also comprises that the forward instruction template number, the variable element quantity of instruction of use are, the value constraint of parameter etc.
Following table 4 is reverse order parameter template base example.
Figure BDA0000426506990000111
Figure BDA0000426506990000121
(7) will meet the instruction sequence piece storage of constraint condition, and be sent to satellite instruction Shang Zhu center according to the remote sensing instruction transmission link rule of setting up in step (1), by satellite instruction Shang Zhu center, be uploaded to satellite.
(6) gather single feedback module
Gather single feedback module and obtain from satellite ground data processing public administration platform the data message that moonscope list is corresponding, and be stored in product library.Gather single feedback module and can determine according to data message corresponding to moonscope list obtaining treatment state and the performance of moonscope list, and feed back to user.
Satellite ground data processing public administration platform is that satellite data is processed ground system information interaction and monitor supervision platform, is satellite fields known platform.
The present invention, for user provides convenience, transparent, data acquisition channel and result efficiently, can be used for the businessization operation of remote sensing satellite.
The unspecified part of the present invention belongs to general knowledge as well known to those skilled in the art.

Claims (4)

1. the satellite demand disposal system based on consulting countermeasure conflict resolution, is characterized in that: comprise client acquisition module, gather single filing module, gather single processing module, satellite mission planning module, gather single feedback module;
Client acquisition module utilizes the up-to-date orbital tracking of satellite to determine the preliminary interview track of satellite, and exports to user; User submits requirements for access list according to the preliminary interview track of satellite to gathering single filing module;
Gather single filing module all requirements for access lists that receive are carried out to validity checking, abandon unauthorized access requirement report and feed back to relative users, and inquire about in product library, whether to store the product data that Lawful access requirement report is corresponding, if exist, directly from product library, product data are fed back to relative users, and will remain Lawful access requirement report according to prioritization stores archive;
Gather single processing module and according to priority orders, from filed requirements for access list, extract the single information of collection, temporal information and spatial information in the single information of collection are carried out to redundancy and clear up, generate acquisition tasks list and be also sent to satellite mission planning module; Between described acquisition tasks list and requirements for access list, there are mapping relations;
Satellite mission planning module is carried out band division by the observation area in acquisition tasks list according to satellite imagery ability, in conjunction with satellite orbit access characteristics, generates moonscope list; Between described acquisition tasks list and moonscope list, there are mapping relations;
Instruction generation module generates telecommand by moonscope list, on note to satellite;
Gather single feedback module and obtain from satellite ground data processing public administration platform the data message that moonscope list is corresponding, and be stored in product library.
2. a kind of satellite demand disposal system based on consulting countermeasure conflict resolution according to claim 1, is characterized in that: described instruction generation module performing step is as follows:
(1) set up remote sensing satellite remote sensing instruction and send link rule;
(2) set up satellite forward instruction template base: combing satellite all working project first, arranges index by each job; Then each job of satellite is decomposed into basic operation unit, each basic operation unit arranges index number, and carries out information labeling for the input parameter item of each basic operation unit; Described basic operation unit is the different working modes of remote sensing satellite operating load;
(3) set up instruction template sequence of rules storehouse: according to the course of work of each basic operation unit of remote sensing satellite, the execution step of each basic operation unit, interval time, execution code word are stored in instruction template sequence of rules storehouse separately;
(4) according to the survey plan of user input, call satellite forward instruction template base, determine job that this survey plan is corresponding and the basic operation unit under each job;
(5) according to definite basic operation unit in step (4), call corresponding instruction template sequence of rules storehouse, according to the instruction encapsulation format of remote sensing satellite, the execution step of above-mentioned definite job, basic operation unit and basic operation unit, interval time, execution code word are encapsulated, generate the executable instruction sequence piece of complete satellite;
(6) from the instruction sequence piece of above-mentioned generation, parse basic operation unit, in decision instruction sequence blocks, whether the execution step of basic operation unit, interval time meet the constraint requirements in the reverse order parameter item of satellite template base, if do not meet, the instruction template sequence of rules storehouse of setting up in the survey plan of hand inspection user input and step (3), starts to re-execute from step (4) after modification; Otherwise go to step (7);
(7) will meet the instruction sequence piece storage of constraint condition, and be sent to satellite instruction Shang Zhu center according to the remote sensing instruction transmission link rule of setting up in step (1), by satellite instruction Shang Zhu center, be uploaded to satellite.
3. a kind of satellite demand disposal system based on consulting countermeasure conflict resolution according to claim 2, is characterized in that: the reverse order parameter item of described satellite template base comprises that instruction code word sequence number, instruction codeword sequence, command content, instruction constraint sequential require requirement associated with instruction template; Described command content is corresponding with basic operation unit;
Convert the constraint condition under satellite operating load different working modes to constraint formulations, be stored in the requirement of instruction constraint sequential; According to the survey plan of user's input, the execution sequencing of each execution step of basic operation unit is stored in the associated requirement of instruction template.
4. a kind of satellite demand disposal system based on consulting countermeasure conflict resolution according to claim 2, it is characterized in that: in described step (1), remote sensing instruction sends the link mechanism that link rule adopts " three sentence two ", for each instruction sequence piece, all send three times, two instruction sequence pieces that extract wherein carry out CRC comparison, and the instruction sequence piece that comparison is passed through sends.
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