CN102868718A - Method for dynamic multi-information-source integration in marine environment - Google Patents
Method for dynamic multi-information-source integration in marine environment Download PDFInfo
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Abstract
The invention discloses a method for integrating multi-source information of a monitoring target in a marine environment. The method comprises the following steps of: acquiring monitoring information on the monitoring target from a plurality of information sources, the information sources comprise at least one coastal information source and at least one star-based information source, and monitoring information obtained from each information source comprises a unique identification symbol, an acquisition time of the monitoring information, and space information of the monitoring target at each acquisition time corresponding to the monitoring target; carrying out authentication on the monitoring information obtained from each star-based information source to identify effective monitoring information; and integrating the monitoring information obtained from the coastal information source with the effective monitoring information obtained from the star-based information source, so as to generate all effective monitoring information applied to the monitoring target.
Description
Technical field
The application relates to the technical fields such as satellite communication and navigation, radio position finding radio directional bearing, sensing and processing, authentification of message, maritime affairs monitoring, particularly is used for the method for dynamic multiple information sources integrated fusion under the maritime affairs monitoring of environmental.
Background technology
Information source is achievement and the various original record that people produce in scientific research activity, production and operating activities and other activities, and the finished product that these achievements and original record processing and sorting are obtained all is the source so as to acquired information.
Sensu lato maritime affairs, general reference shipping (maritime affair) and all marine relevant items are such as navigation, shipbuilding, examine a ship, maritime affairs maritime law, marine accident processing etc.Sense stricto maritime affairs only refer to the accident that boats and ships occur when riding the sea or berthing.As its name suggests, maritime affairs are take the shipping casualties task as traction, centered by marine site, region, maritime affairs key element.The maritime affairs monitoring of environmental is that pointer is to the information-based monitoring means of shipping casualties task-cycle.
The technical way that has abroad used in maritime affairs monitoring field at present comprises: ship automatic identification system (Automatic Identification System, AIS), seashore monitoring automatic radar plotting aid (Automatic Radar Plotting Aid, ARPA) radar, boat-carrying GLONASS (Global Navigation Satellite System) (Global Navigation Satellite System, GNSS) navigator and maritime communication satellite.Except above-mentioned several, from 2006, promote the use of the Chinese Big Dipper/GNSS ship-borne equipment by the fishery field at home, it with the property of excellence from than (every of the two-way short message charge of satellite is no more than 0.1 yuan, the compatible with GPS location), begun to show the application potential of monitoring the field in maritime affairs.In addition, in the harbour management of China, bring into use the RFID of long-range (＞700 meters) to use, added up and be positioned at the port boats and ships.
Ship automatic identification system (Automatic identification System, AIS) be a kind of marine navigation equipment, use to strengthen by AIS and avoid the measure of colliding between boats and ships, can strengthen the function of ARPA radar, VTS, ship report, can show at electronic chart the information such as the visual course of all boats and ships, course line, boat name, the function of improving maritime communication and the method that provides a kind of boats and ships to carry out voice and textcommunication are provided, have strengthened the overall situation consciousness of boats and ships.AIS adopts the unique coding system in the boats and ships whole world, and namely the MMSI code is used as means of identification.Each boats and ships uses disintegration from beginning to be built into boats and ships, gives a globally unique MMSI code.
Automatic radar plotting aid ARPA can be manually or auto-acquire, catches rear automatically track target and with course and the speed of a ship or plane of vector form display-object on indicator screen.In addition, set the permission boundary of the time of distance to closest point of approach and arrival distance to closest point of approach by the operator, when time that treatment circuit calculates the distance to closest point of approach of target and arrives distance to closest point of approach during less than the permission boundary that sets, can automatically report to the police with variety of ways such as vision or sound equipments.
The marine satellite Inmarsat communication system of U.S.'s emission in 1976 is comprised of marine satellite, ground station, terminal.Bank station is the ground terminal of satellite communication.The ship station is exactly marine subscriber station, is arranged on oil carrier, passenger steamer, merchant ship and the maritime floating platform of navigation.The antenna at ship station all is equipped with stabilized platform and follower, makes ship antenna when rising and falling and tilt also can point to all the time satellite.Marine ships can be according to demand by the ship station with communication signal emitting to the marine satellite on the geostationary satellite orbit, be transmitted to bank station through satellite, bank station is ground communication network or the international satellite communication network by being attached thereto again, realizes and land user's mutually intercommunication all over the world.
Beidou satellite navigation system (COMPASS/BeiDou Navigation Satellite System) is the Chinese independent development capability of implementing, the GPS (Global Position System) of independent operating.Beidou satellite navigation system is comprised of space segment, ground segment and user segment three parts, space segment comprises 5 satellites and 30 non-geo satellites, ground segment comprises several ground stations such as master station, injection station and monitoring station, user segment comprise Big Dipper user terminal and with the terminal of other satellite navigation system compatibilities.
In the maritime affairs monitoring of environmental in the whole world, the integrated application of AIS and ARPA has become the important means of seashore shipping management.Marine satellite and GNSS boat-carrying navigator have become the standard configuration of global foreign-going ship.The independent Big Dipper/GNSS vessel monitoring system is used and is promoted in China.
But the pirate's case that emerges in an endless stream and the maritime accident under the bad weather environment demonstrate the shortcoming that above-mentioned technology exists at present in application:
1, the GNSS signal is broadcast singal, when using the GPS interferometer equipment of compacting or scan mode, very easily causes maritime accident and case;
2, the AIS system is subject to the bad weather impact because using very high frequency(VHF) (Very High Frequency, VHF), can cause the contact of system and base station to be interrupted;
3, maritime affairs monitoring information acquisition means is abundant, but ignores time synchronized, lacks unified integrated fusion system and comes integrated application, brings into play its maximum efficiency;
4, the dipper system cost performance is high, is applied independently at present fishery; Because it is that technical system is newer, the method for a cover and other maritime affairs monitoring information source integrated fusion is proposed not yet.
Summary of the invention
The application is intended to propose a kind of method and apparatus that is used for dynamic multiple information sources integrated fusion under the maritime affairs monitoring of environmental, with in addressing the above problem one of at least.
An execution mode according to the application, a kind of method that under the maritime affairs monitoring of environmental multi-source information of monitoring objective is merged is provided, comprise: obtain monitoring information to described monitoring objective from a plurality of information sources, described a plurality of information source comprises at least one bank base information source and at least one satellite-based information source, and the monitoring information that obtains from each information source includes the acquisition time of the unique identifier corresponding with described monitoring objective, monitoring information and described monitoring objective at the spatial information of each acquisition time; The monitoring information that obtains from each satellite-based information source is authenticated, to identify effective monitoring information; And will merge mutually from bank base the information source monitoring information that obtains and the effective monitoring information that obtains from the satellite-based information source, to generate the whole effectively monitoring informations that are used for described monitoring objective.
By the application's scheme, will be used for the maritime affairs monitoring with common from the information integrated fusion in dipper system and other maritime affairs monitoring information source, and can identify easily the invalid information that receives and disturb to get rid of.
Description of drawings
Fig. 1 shows according to a flow chart illustrative embodiments of the application, that be used under the maritime affairs monitoring of environmental dynamic multiple information sources being carried out the method for integrated fusion.
Fig. 2 shows the classification of the information source in the maritime affairs monitoring of environmental.
Fig. 3 and Fig. 4 show respectively according to the database basic structure of the application's illustrative embodiments and database and implement example.
Fig. 5 and Fig. 6 show respectively according to an exemplary embodiment, based on the point source real time data of GIS and the realization effect of historical track database.
Embodiment
Be described in conjunction with the illustrative embodiments of embodiment to the application with reference to the accompanying drawings.
Fig. 1 shows according to method 100 illustrative embodiments of the application, that be used under the maritime affairs monitoring of environmental dynamic multiple information sources being carried out integrated fusion.As shown in the figure, at step S101, obtain monitoring information to monitoring objective from a plurality of information sources, wherein, a plurality of information sources comprise at least one bank base information source and at least one satellite-based information source.Monitoring objective for example is boats and ships.
Fig. 2 shows the classification of the information source in the maritime affairs monitoring of environmental.As shown in the figure, according to the difference of information service type, the information source 200 under the maritime affairs monitoring of environmental can be divided into maritime affairs monitoring of environmental and situation information source 210 and maritime affairs monitoring objective multidate information source 220.Because there has been multiple solution based on GIS and satellite remote sensing technology in maritime affairs monitoring of environmental and situation information source 210, for all can finishing according to standard GIS data format docking in the application's scheme system, so information source 2110-2127 is not given unnecessary details among the application.Maritime affairs monitoring objective multidate information source 220 can be divided into bank base multidate information source 221 and multidate information source, satellite-based 222 according to the difference of information source obtain manner.As shown in the figure, bank base information source 221 comprises seashore monitoring ARPA radar system 2210, onboard AIS system and AIS bank base station station 2221, boat-carrying RFID entering and leaving port tag system and RFID base station, harbour 2222 and other various bank base information sources 2223.Satellite-based information source 222 comprises boat-carrying GNSS navigator 2220, the Big Dipper (COMPASS/Beidou) all-in-one 2221, marisat system 2222 and other the various satellite-baseds information source 2223 of using professional (Radio Navigation Satellite Service, the RNSS) principle of satellite fix.The information that maritime affairs monitoring objective multidate information source 220 provides does not have corresponding reference format at present.But the monitoring information that obtains from each information source 220 includes the acquisition time t of unique ID, monitoring information of monitoring objective and monitoring objective at the spatial information (x, y, z) of each acquisition time.
After the monitoring information that obtains from a plurality of information sources monitoring objective, at step S102, the monitoring information that obtains from each satellite-based information source is authenticated, be legal data record or invalid data record to identify this monitoring information.For example, can whether be invalid data record by monitoring information being carried out verification and authentication if identifying this monitoring information.If data content and the corresponding data source thereof that can comprise by authenticating correct identification monitoring information, this monitoring information is legal data so; Otherwise, be invalid data.Like this, on the basis that increases the check authentication mechanism, no longer blindly believe GNSS broadcast navigation text, thereby improved anti-interference and ability information misguidance.
Particularly, disturbed or exist interference source to broadcast in the pseudo satellite, pseudolite mode in the situation of navigation message when the broadcast radio frequency range in the GNSS broadcast navigation, can produce invalid data, thereby affect the navigation message of correct formed actual position information.Invalid information such as the rear data that form of radio frequency band compacting in the data that can comprise the formation of GPS interference unit, the electronic countermeasures etc.For the situation of the disturbed compacting of GNSS broadcast radio frequency range, decoding navigation message out itself can not be identified.For the GNSS navigation message information of broadcasting by the pseudo satellite, pseudolite mode, it has the complete information content, but lacks check digit.
According to the application's execution mode, RDSS location and short message Principle of Communication based on the Big Dipper have been proposed, monitoring information is carried out verification and authenticate identifying invalid data, thereby on the basis of original Big Dipper authentication mechanism, increased a fast filtering mechanism.
Then, at step S103, will merge mutually from bank base the information source monitoring information that obtains and the legal monitoring information that obtains from the satellite-based information source, to obtain to be used for whole effectively monitoring informations of monitoring objective.
Owing to identify and removed the illegal monitoring information that obtains from the satellite-based information source by verification and authentication, therefore the final monitoring information that obtains has higher accuracy.
An execution mode according to the application, to can comprise with the step that the legal monitoring information that obtains from the satellite-based information source merges mutually from the monitoring information that bank base information source obtains: the monitoring information that obtains is synchronized to identical time standard, thereby is the unified and standard time reference of time of the various information collecting device under the maritime affairs monitoring of environmental.Obtain in the equipment in all various types of information sources, obtain temporal information by following three kinds of modes: first, with International Atomic Time (International Atomic Time, TAI) network time synchronization (error＜100ms), (error＜100ns), is obtained gps time GPST (error＜100ns) by global positioning system (Global Positioning System, GPS) when obtaining the Big Dipper by Big Dipper equipment.The composition error factor considers, the information recording/time error＜100ms after synchronously.For example, can TAI be the time synchronized of all kinds of dynamic monitoring information of the following realization of benchmark:
BDT (dipper system time)+33s=TAI
GPST (gps system time)+19s=TAI
According to the application's a execution mode, will also can comprise with the step that the legal monitoring information that obtains from the satellite-based information source merges mutually from the monitoring information that bank base information source obtains: the spatial information the monitoring information that obtains is transformed into identical space coordinates.For example, the spatial positional information that obtains from all information sources can be converted to (x, y, the z) locus the WGS84 coordinate-system, to reach unified space coordinates system.
An execution mode according to the application, the method 100 that is used under the maritime affairs monitoring of environmental dynamic multiple information sources is carried out integrated fusion also can comprise: at step S104, according to the unique ID in the monitoring information, acquisition time and spatial information, generate to be used for many Database fields of monitoring objective and to deposit the Database field that generates in database, to generate dynamic multiple information sources historical data base.The unique ID of monitoring objective for example can be the maritime mobile service identity (Maritime Mobile Service Identify, MSSI), the device number among the RFID, the target identification in the APRA radar of AIS, the official number that GNSS equipment is installed, the user's card number in the Big Dipper equipment etc. can be uniquely corresponding to the identifier of monitoring objective.According to the unique ID in the monitoring information, acquisition time and spatial information, can be by the dynamic attribute information of normal space symbol with the generation of unified encoding and decoding rule, one by one generating database field.Hereinafter provided specific embodiment of the dynamic multiple information sources historical data base of the form of the Database field that generates and generation.
Here, " normal space symbol " is a kind of code and decode mode, comes coding and decoding information by adopting definition data packet head, bag tail, blank character method, is usually used in the tcp/ip communication form.AIS bank base station, RFID base station, seashore monitoring thunder are crossed the data of real time propelling movement all can be as encoding and decoding standard." unified encoding and decoding rule " then do not use blank character, but directly defines every field length in the packet, determines the coding/decoding information content by judgement length afterwards.Owing to removed the shared byte length of blank character, therefore unified encoding and decoding rule can be saved the packet space, is particularly suitable for satellite communication.
An execution mode according to the application, the method 100 that is used under the maritime affairs monitoring of environmental dynamic multiple information sources is carried out integrated fusion also can comprise: according to unique ID, acquisition time and the spatial information of monitoring information, generate the real-time vector database of point source at step S105, and/or generate the historical track vector database at step S106.According to an execution mode, can be take unique identification id of monitoring objective as index, the nearest time is extracted in ordering according to time T, again according to (x, y, z) carry out the real-time geographic coding by GIS-Geographic Information System (Geographic Information System, GIS), generate the real-time vector database of point source of each monitoring objective.According to an execution mode, can take time T as index, for different unique identification ids, again through geocoding, generate the historical track vector database of each monitoring objective.
Here, geocoding (Geocoding) claims again matching addresses (address-matching), refers to set up the conforming process of geographical position coordinates and given address, is the basic function during the GIS software data is processed.By geocoding, GIS can be with any data migration in space coordinates, and this process comprises accurate classification and the registration to data, and make all data set up related with space coordinates; Thereby each object in the assurance database is superimposed upon on the map like clockwork, sets up contacting between spatial information and the non-spatial information.
In above-mentioned three databases, dynamically the multiple information sources historical data base is master data base, its directly record by verification, information is integrated and fusion after data.Generate in real time the point source real-time data base with monitoring objective ID index according to time T ordering, and be the middleware database take time T as index for the historical track database that sorts for different I D number.
Recording the original of all legal dynamic multiple information sources data as the dynamic multiple information sources historical data base of master data base gathers.The effect in point source real time information storehouse is to be the historic state service of inquiry for monitored object, for having shortened retrieval and computing time around the various inquiries of monitored object.The effect of historical track database is track and the characteristics of motion service for inquiry different time sections monitored object, for having shortened retrieval and computing time around the various inquiries of different time track.
Above-mentioned three databases all can generate in real time.
According to the application's a execution mode, be used for also can comprising in the method for under the maritime affairs monitoring of environmental dynamic multiple information sources being carried out integrated fusion: will be used for monitoring information one or more monitoring targets, after the fusion and be presented at display.
An execution mode according to the application, the method 100 that is used under the maritime affairs monitoring of environmental dynamic multiple information sources is carried out integrated fusion also can comprise: at step S107, one or more according in the multi-source multidate information historical data base, the real-time vector database of point source and the historical track vector database that generate retrieve, inquire about and/or calculate the multidate information of monitoring target.For example, can utilize the GIS secondary development tool to the information of monitoring target store, extract, issue, stacked and inverting etc., thereby reach quickly and easily under the maritime affairs monitoring of environmental purposes such as visual, spatial analysis to many monitoring objectives, monitoring, commander, scheduling.Multidate information to monitoring target is retrieved, is inquired about and/or the operation such as calculating can adopt any suitable GIS secondary development tool to realize, thus among the application not to this detailed description.
Below in conjunction with exemplary embodiment, the structure according to the application's satellite communication link information frame is described.The satellite communication link telegraph text content is code form, and adopts Frame to transmit to realize information exchange, and the definition of its frame structure for example is as shown in table 1:
| The information content (N byte) | Verification and (1 byte) |
Table 1
Wherein, all data all adopt 8 hexadecimal numbers to represent, press forwardly formula transmission of a high position in the same byte.The information content is pressed the length of call format and is filled with the former representation of binary system, each parameter item, during discontented length requirement, and high-order mend " 0 ".Information is by whole byte transmission, and multibyte information passes first upper byte, rear biography low byte.
1, the frame data verification and
The verification of frame data and be to information content field by the XOR of byte and, the data of establishing computing to be verified are Data[i], 0≤i＜n, check results is ChkSum, then calculation procedure is as follows:
ChkSum＝0；
for(i＝0；i＜n；i++)
{
ChkSum＝ChkSum?XOR?Data[i]；
}
For example, be " 01H 45H 7EH 90H 7DH 88H " such as waiting message, its checksum value is derived as 5FH by above-mentioned algorithm.
2, longitude and latitude form definition (WGS 84 coordinate systems)
In the longitude and latitude data format in the class instruction of location, employing scope (1 byte), degree (1 byte), minute (1 byte), second (1 byte), little second (1 byte) form account for 40bit (5 byte).
(1) scope refer to longitude thing respectively with the north and south of latitude respectively, east longitude is with character ' E ' expression, west longitude is with character ' W ' expression, north latitude is with character ' N ' expression, south latitude is with character ' S ' expression.
(2) degree with minute between be 60 systems, minute with second between be 60 systems, little second is 1/10th of second.
3, time format definition
Year is used a byte representation, and expression represents with numeral 5 such as 2005 from later side-play amount in 2000; The moon, day, the time, minute, second uses respectively a byte representation.Command operating uses the form of year, month, day, hour, min writing time, namely is accurate to minute, takies altogether 40bit, 5 bytes; The temporal information that positioning result is corresponding is used year, month, day, hour, min, the form of second, namely is accurate to second, takies altogether 48bit, 6 bytes.
(1) command operating formal definition writing time is as shown in table 2:
| Year | Month | Day | The | Minute | |
| 1 |
1 |
1 |
1 |
1 byte |
Table 2
(2) command operating formal definition writing time is as shown in table 3:
| Year | Month | Day | The | Minute | Second | |
| 1 |
1 |
1 |
1 |
1 |
1 byte |
Table 3
(3) span explanation:
Year: span is: 00H～64H;
Month: span is: 01H～0CH;
Day: span is: 01H～1FH;
The time: span is: 00H～17H;
Minute: span is: 00H～3BH;
Second: span is: 00H～3BH.
4, information content organization definition
The information content field of satellite transmission information is comprised of information header field and command/response body field, and is as shown in table 4:
Table 4
Wherein, the information header field partly is comprised of control field (1 byte), device group management address field (≤16 byte) etc., command/response body field is comprised of fields such as command/response type (1 byte) and user data (N byte), and determines by control field whether each field of information header (device group management address etc.) exists.User data fields for example can comprise that the acquisition time t of unique ID, monitoring information of monitoring objective and monitoring objective are in the information such as spatial information (x, y, z) of each acquisition time.
(1) information header Field Definition
● control field
Control field is comprised of a byte, defines as shown in table 5:
Table 5
Explanation of field:
A) control field is used for determining whether equipment group address field exists.
B) G:0 indicating equipment group address field does not exist, and 1 this field of indication exists.
C) address field does not exist in the I:0 indicating equipment group, complete group is led to broadcast, and the address is effective in the 1 indicating equipment group, and corresponding equipment is selected in step-by-step.
● equipment group address field
Equipment group address field is used for Big Dipper RDSS transceiver module and judges whether the data of receiving from the logical number of broadcasting of the Big Dipper are the control field that the machine need be processed.
Complete equipment group address field is 16 bytes, defines as shown in table 6:
Table 6
Wherein:
A) equipment Da Qu sign is by a byte representation, signless integer;
B) equipment group sign is by two byte representations, signless integer;
C) equipment is designated 13 bytes in group, and positional representation has 104, and one of each hold facility is as shown in table 7,
Table 7
For example, No. 1 equipment in the 0th bit representation group, the like.
During concrete the use, will there be different settings the device group management address according to the value of G in the control field and I different:
A) work as G=0, during I=0, equipment group address field length is 0.
B) work as G=1, during I=0, device group management address field length is 3 bytes, is comprised of equipment Da Qu sign and equipment group sign.
C) work as G=1, during I=1, device group management address field length is 16 bytes, and the address is all effective in indication equipment group address and the group, and equipment broadcasting information in current group is selected in step-by-step.
D) G=0, I=1 are disarmed state.
For active user's machine, have following three kinds of situations to process:
A) work as G=0, during I=0, the machine need be processed.
B) work as G=1, during I=0, if the machine group address is identical with the device group management address field, then the machine need be processed.
C) work as G=1, during I=1, if the group address at the machine place, and be identified at wherein in the group, then the machine need be processed.
(2) command/response body field
Command/response body field is comprised of command/response type and two fields of user data.
● frame type field
The frame type word is 1 byte.Table 8 shows the definition of RDSS transceiver module type of service.
Table 8
It should be noted that subscriber computer authorization command, reset command and group address arrange order and can only authenticate execution by command centre.System parameters is revised order and the roll-call Location Request can only be carried out by authorized user.
● user data
User data fields is used for constructing all kinds of command/response information frames.Detailed construction can be fixed the blank character self-defining by the centre according to different service types.
Fig. 3 and Fig. 4 show respectively according to the historical data base basic structure of the application's illustrative embodiments and historical data base and implement example.As shown in the figure, every information in the historical data base is corresponding to legal data that receive, and the acquisition time of the unique ID that comprises monitoring objective as indicated above, monitoring information and monitoring objective are at the spatial information of each acquisition time.
Fig. 5 and Fig. 6 show respectively according to a point source real time data exemplary embodiment, through showing in real time on GIS after the geocoding and the realization effect of historical track database.
As shown in Figure 5, the real-time point based data of having realized multiple information sources (AISCLASS-A, AIS CLASS-B, the Big Dipper, GPS mobile phone etc.) under the support of GIS software secondary development is visual, and can be based on this, carry out the operations such as the storage, extraction, issue based on GIS, stacked, monitoring, commander, scheduling in conjunction with the every business demand under the maritime affairs monitoring of environmental.The employed GIS platform of present embodiment is MapInfo MapX 4.5 and Google Map API, represents respectively C/S (Client/Service) and B/S (Browser/Service) structure.
As shown in Figure 6, under the support of GIS software secondary development, realized the historical track data visualization of multiple information sources (AISCLASS-A, AIS CLASS-B, the Big Dipper, GPS mobile phone etc.), and can be based on this, carry out the operations such as the storage, extraction, issue based on GIS, stacked, monitoring, commander, scheduling in conjunction with the every business demand under the maritime affairs monitoring of environmental.The employed GIS platform of above example is MapInfo MapX 4.5 and Google Map API, represents respectively C/S (Client/Service) and B/S (Browser/Service) structure.
The feature of above describing in conjunction with the application's embodiment is interpreted as can be applicable to other execution mode, unless these features are conflicted mutually with other execution mode.The Overall Steps of the disclosed whole features of the application and/or disclosed method can be with arbitrarily suitable mode combination, unless at least part of feature in this combination and/or step are mutual exclusions.The present invention is not limited to above-mentioned execution mode in detail, and is intended to comprise suitable modification, distortion and/or combination to above-mentioned execution mode.
Claims (11)
1. method that under the maritime affairs monitoring of environmental multi-source information of monitoring objective is merged comprises:
Obtain monitoring information to described monitoring objective from a plurality of information sources, described a plurality of information source comprises at least one bank base information source and at least one satellite-based information source, and the monitoring information that obtains from each information source includes the acquisition time of the unique identifier corresponding with described monitoring objective, monitoring information and described monitoring objective at the spatial information of each acquisition time;
The monitoring information that obtains from each satellite-based information source is authenticated, to identify effective monitoring information; And
To merge mutually from bank base the information source monitoring information that obtains and the effective monitoring information that obtains from the satellite-based information source, to generate the whole effectively monitoring informations that are used for described monitoring objective.
2. the method for claim 1, wherein described authentication is verification and authentication.
3. the method for claim 1 further comprises:
The monitoring information that obtains is synchronized to identical time standard.
4. the method for claim 1 further comprises:
Spatial information in the monitoring information that obtains is transformed into identical space coordinates.
5. the method for claim 1 further comprises:
According to the unique identifier in the monitoring information, acquisition time and spatial information, generate to be used for many Database fields of described monitoring objective and to deposit the Database field that generates in multi-source multidate information historical data base.
6. method as claimed in claim 5 further comprises:
According to the unique identifier in the monitoring information, acquisition time and spatial information, generate the real-time vector database of point source and/or historical track vector database.
7. method as claimed in claim 6, wherein, the real-time vector database of described point source is that unique identifier take monitoring objective is as index, ordering generates to acquisition time.
8. method as claimed in claim 6, wherein, described historical track vector database is that the acquisition time take monitoring information sorts as index, to different unique identifiers and generates.
9. method as claimed in claim 6 further comprises:
One or more according in described multi-source multidate information historical data base, the real-time vector database of described point source and the described historical track vector database retrieve, inquire about and/or calculate the multidate information of monitoring target.
10. the method for claim 1 further comprises:
To be presented at display for monitoring information one or more monitoring targets, after merging.
11. the method for claim 1, wherein described monitoring objective is boats and ships.
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| CN103177608A (en) * | 2013-03-01 | 2013-06-26 | 上海海事大学 | Offshore suspicious ship and ship oil contamination discovering system |
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| CN108241147A (en) * | 2018-02-06 | 2018-07-03 | 上海圆舟电子科技有限公司 | A kind of palm intelligent maritime affairs radar and its surface surveillance method |
| CN109100691A (en) * | 2018-08-20 | 2018-12-28 | 上海机电工程研究所 | One kind being directed to jamproof data source application method and system |
| CN109348536A (en) * | 2018-11-28 | 2019-02-15 | 成都中星世通电子科技有限公司 | A kind of radio-interference signals automatic station-keeping system waterborne and localization method |
| CN109783515A (en) * | 2019-01-25 | 2019-05-21 | 上海创景信息科技有限公司 | More relation data tracks retroactive method and system based on database |
| CN112307026A (en) * | 2020-10-29 | 2021-02-02 | 广东海洋大学 | Method for establishing small ship navigation multi-source information real-time database |
| CN112987039A (en) * | 2021-05-17 | 2021-06-18 | 航天宏图信息技术股份有限公司 | Navigation satellite positioning service abnormity monitoring method and device |
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