CN204142956U - Based on the greater coasting area surveillance of MDS technology - Google Patents
Based on the greater coasting area surveillance of MDS technology Download PDFInfo
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- CN204142956U CN204142956U CN201420518195.4U CN201420518195U CN204142956U CN 204142956 U CN204142956 U CN 204142956U CN 201420518195 U CN201420518195 U CN 201420518195U CN 204142956 U CN204142956 U CN 204142956U
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Abstract
The utility model relates to field, coastal waters positioning monitoring technology, discloses a kind of greater coasting area surveillance based on MDS technology, comprises inquiry base station, with reference to answering machine, telepoint base station, data chain device and central processing station.Wherein, target platform is periodic broadcast ADS-B signal and ais signal on the one hand, also after the A/C/S mode query signal receiving inquiry Base Transmitter or AIS pumping signal, produce corresponding answer signal and theaomni-directional transmission is gone out, telepoint base station receives these broadcast singals and answer signal, the radio signal time of arrival (TOA) of these platform targets of accurate measurement, then the TOA information got is sent to central processing station, then in the exact position of central processing station determination target through data chain device.The utility model can be used as auxiliary location, coastal waters, Monitoring and Management control device, improves surveillance coverage and the utilization ratio of greater coasting area further, meets the demand that following greater coasting area monitors.
Description
Technical field
The utility model relates to field, coastal waters positioning monitoring technology, is specifically related to a kind of greater coasting area surveillance based on MDS technology.
Background technology
Along with the enforcement of China's "Oceanic" strategy; the coastal waters activities such as inshore fishing, offshore prospecting, coastal waters search and rescue, offshore navigation, coastal waters defence increase day by day; control to it is also proposed higher requirement to the location on off-shore operation naval vessel, Monitoring and Management, require to possess higher positioning precision, all naval vessels can be covered, possess certain antijamming capability, possess higher real-time, reliability and stability etc.
At present, although existing technological means can separate the problem of decision bit and supervision to a certain extent, but be mostly to carry out work based on satellite navigation system, even if the but gps system of at present the most complete, the most reliable high precision, round-the-clock, Global coverage, in position & navigation process, also have some limitations and risk.Such as 1996, a wrong time interocclusal record has dropped into a wherein satellite file of GPS control center, only mistake has broadcast the satellite signals broadcast ephemeris of 6 seconds, result causes the failure of eastern united states seashore 1/8 cell phone network (more than 100 cell phone network systems) Signal transmissions, clearly, this is the result too relying on GPS control.If this situation occurs in the crucial moment of off-shore operation process, its consequence is hardly imaginable, therefore we are when providing location and surveillance technology means for off-shore operation, too can not rely on the solution based on satellite navigation system, that also need other working systems, relatively independent ancillary technique means are to ensure the safety of operating personnel, equipment and property.
Location, coastal waters is work the most basic in off-shore operation, and can there be multiple few localization method location, coastal waters according to the difference of job task, and as optics crosses, location, radio distance-measuring location, gps satellite are located, hydrolocation and integrated positioning etc.
Although above-mentioned technology and method can separate the problem of decision bit and supervision to a certain extent, but in Project Realization, still there is positioning precision not high and application the problem such as to be limited to, and be more rely on gps system, and gps system is in position & navigation process, have some limitations, comprise solar activity impact, SA impact, Counter Measures And Deception, the easily factor such as to be damaged all can cause gps system information inaccurate.
Utility model content
Based on above shortcomings in prior art, technical problem to be solved in the utility model how to improve performance and the reliability of greater coasting area supervision.
For solving the problems of the technologies described above, the utility model provides a kind of greater coasting area surveillance based on MDS technology, comprises inquiry base station, reference answering machine, telepoint base station, data chain device and central processing station, wherein,
Described inquiry base station, couples mutually with the target platform in off-shore operation region, launches A/C/S mode query signal and/or the AIS pumping signal of repetition frequency, encourage described target platform to produce corresponding answer signal to described target platform;
Described reference answering machine, couples mutually with described telepoint base station and central processing station, periodically distally base station broadcast ADS-B signal and/or ais signal, and sends synchronizing clock signals to described central processing station;
Described telepoint base station, couple mutually with described target platform, reference answering machine and data chain device respectively, the answer signal that receiving target platform sends and the broadcast singal sent with reference to answering machine, and timestamp is added to it, then send to described central processing station by described data chain device;
Described central processing station, couple mutually with reference to answering machine and data chain device with described, receive the answer signal adding timestamp and broadcast singal that send from described data chain device, determine the exact position of target and carry out time calibration according to described signal lock in time with reference to answering machine transmission.
Preferably, described telepoint base station is provided with at least three.
Preferably, described telepoint base station comprises Transmit-Receive Unit and receiving element, and two kinds of unit all receive and the answer signal of A/C/S pattern of decoding and ADS-B signal and/or ais signal, and add timestamp to it.
Preferably, described reference answering machine is installed on described target platform.
Preferably, described reference answering machine is arranged in round-the-clock cabinet.
Preferably, described data chain device is formed as the transmission channel between described telepoint base station and described central processing station.
Preferably, described inquiry base station, reference answering machine, telepoint base station, data chain device and central processing station all have redundancy backup.
Compared with prior art, the greater coasting area surveillance based on MDS technology provided by the utility model, reaches following technique effect:
1) the utility model carries out design and implimentation based on multipoint positioning technology (MDS), can in the overall process of off-shore operation the positional information of the target such as Real-Time Monitoring naval vessel, helicopter, personal aircraft, yacht, have that precision is high, capacity is large, anti-interference, cover the features such as comprehensive, and there is very high real-time, reliability and stability;
2) the utility model is without the need to too much increase hardware device, only spends less cost just can promote the safety guarantee of related personnel, equipment and property; This system, as the Lookout assist means of greater coasting area, effectively can improve surveillance coverage and the utilization ratio of greater coasting area, meets following greater coasting area location and the demand monitored, has important society, economy and national defence meaning.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the greater coasting area surveillance based on MDS technology described in the utility model.
Fig. 2 is the schematic diagram of the greater coasting area surveillance based on MDS technology described in the utility model.
Embodiment
Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.As employed some vocabulary to censure particular elements in the middle of instructions and claim.Those skilled in the art should understand, and hardware manufacturer may call same parts with different noun.This specification and claims are not used as with the difference of title the mode distinguishing parts, but are used as the criterion of differentiation with parts difference functionally.Instructions subsequent descriptions is for implementing better embodiment of the present utility model, and right described description is to illustrate for the purpose of this novel rule, and is not used to limit scope of the present utility model.Protection domain of the present utility model is when being as the criterion depending on the claims person of defining.Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
The utility model is intended to solve existing greater coasting area location and too relies on GPS with supervision means, that need other working systems, relatively independent ancillary technique means, to ensure the problem of operating personnel, equipment and property safety, propose a kind of greater coasting area surveillance based on MDS technology.This system can carry out work independent of gps system, can in the overall process of off-shore operation the target such as Real-Time Monitoring naval vessel, helicopter, personal aircraft, yacht, possess precision high, anti-interference, cover comprehensive feature, and there is very high real-time, reliability and stability.Can be used as auxiliary location, coastal waters, Monitoring and Management control device, improve surveillance coverage and the utilization ratio of greater coasting area further, meet the demand that following greater coasting area monitors.
As shown in Figure 1, a kind of greater coasting area surveillance based on MDS technology disclosed in the utility model, is mainly used in coastal waters and port area.MDS is a kind of multiple spot surveillance based on answering machine, it uses the pulse of multiple receiver acquisition answering machine and calculates position and mark, the feature of MDS system is inquiry ability and advanced object processing unit, there is good redundancy, flexible configuration simultaneously, be easy to expansion, durability is high, goes for any airport, vehicle-mounted or ships environment.In FIG, this greater coasting area surveillance comprises: inquiry base station 101, reference answering machine 102, telepoint base station 103, data chain device 104 and central processing station 105, wherein,
Described inquiry base station 101, couple mutually with the target platform in off-shore operation region, for launching A/C/S mode query signal and/or AIS (the Automatic Identification System of repetition frequency, boats and ships identify automatically) pumping signal, encourages described target platform to reply.Wherein, A/C pattern answering machine (mode A/C transponder) is the airborne support equipment of secondary surveillance radar, and it can reply the interrogating signal that inquisitor sends, and during A mode query, answer signal is aircraft cognizance code; During C mode inquiry, answer signal is height coded message; S mode response is a kind of inquiry of calling out specially for the aircraft of selected geocoding, it can be inquired aircraft selectively, and the transmission of air-ground bi-directional data information can be carried out, compared with traditional secondary radar, even if it also has higher accuracy at aircraft congested area, in addition, it also has larger recognition coding capacity, can increase air traffic control capacity.Accommodation, ship's speed, the Ship dynamic situation such as rate and course that changes course are broadcasted to Its Adjacent Waters boats and ships and base station by very high frequency(VHF) (VHF) channel in conjunction with boats and ships static datas such as name of vessel, catchword, drinking water and dangerous cargos by ship automatic identification system (AIS), make contiguous boats and ships and base station can grasp the dynamic static information of all boats and ships in neighbouring sea in time, be able to converse mutually at once coordination, take necessary Anti-collision Actions, safety of ship is had very great help.
Wherein, described target platform is included in the platform such as all naval vessels, helicopter, personal aircraft, yacht of off-shore operation, we are fitted with the answering machine equipment of AIS equipment and/or A/C/S Three models on target platform, A/C/S mode query signal and the AIS pumping signal of certain repetition frequency are launched in this inquiry base station 101, relevant device in excitation measurement range is replied, to ensure the density of the answer signal that telepoint base station 103 can receive, this subsystem can also be provided in the excitation carrying out close beta function in system scope.
Described with reference to answering machine 102, be installed on target platform, couple mutually with described telepoint base station 103 and central processing station 105, distally ADS-B (AutomaticDependent Surveillance-Broadcast is broadcasted in base station 103 for periodicity, Automatic dependent surveillance broadcast) signal and/or AIS (Automatic Identification System, boats and ships identify automatically) signal, and generation internal clocking, transmission signal lock in time is to described central processing station 105.
Operationally, described reference answering machine 102 continuously sends ADS-B and ais signal to the telepoint base station 103 in its signal cover, shows oneself identity and position in this way, and provides the system synchronization clock signal of high precision.Central processing station 105 calibrates this unit time according to the clock signal of the transmission with reference to answering machine 102, and system carries out multipoint positioning with this basis that is calibrated to sea and aerial target exactly.
Wherein, be arranged in round-the-clock cabinet with reference to answering machine 102, the transceiver arrangement of redundancy is used for guaranteeing the ultrahigh reliability of key subsystem.
Described telepoint base station 103, couple mutually with described target platform, reference answering machine 102 and data chain device 104 respectively, the answer signal (A/C/S pattern) sent for receiving target platform and the broadcast singal (ADS-B and ais signal) sent with reference to answering machine 102, and send to described central processing station 105 by described data chain device 104 after timestamp is added to it.
Specifically, described telepoint base station 103 uses two kinds of far-end units, i.e. Transmit-Receive Unit and receiving element.Two kinds of unit receive and the answer signal of A/C/S pattern of decoding and ADS-B and AIS information, and add timestamp it.Timestamp (timestamp), normally a character string, identifies the time at certain a moment uniquely.These processed data get back to central processing station 105 by data chain device 104.Central processing station 105 also to transceiver solicited message, can comprise the coded message of A/C/S pattern and the trigger activator signal of AIS where necessary, uses the order of central processing station 105 predetermined query to complete.
Described telepoint base station 103 can be arranged on several (being no less than 3) fixed positions on the bank, substantially like this, can cover omnibearing Signal reception, after installing, need the precise position information demarcating these fixed positions good, telepoint base station 103 possess work in the presence of a harsh environment ability, can round-the-clockly use.Quantity and the installation of often kind of unit are determined flexibly by selected fixed-position structure, desired properties and required fiduciary level.
Described data chain device 104 is using as the transmission channel between telepoint base station 103 and central processing station 105.Data-Link, on digital communication technology development foundation, utilize the modulation-demodulation technique of various advanced person, error correction coding, group-net communication technology and information fusion technology, a class of formation adapts to the New Equipments of data communication needs between command and control system computing machine.Different from general communication system, the main information of Data-Link system transfers is real-time format combat data, comprises various target component and various command and guide data.Therefore, Data-Link transmission has: the advantages such as the validity of the real-time of information transmission, the reliability of information transmission, the security of information transmission, the consistance of information format and communication protocol.
According to the actual needs of the greater coasting area surveillance based on MDS technology, several data chain can be adopted to carry out data transmission, require that Data-Link possesses beam communication transmittability, the parameters such as concrete transfer rate, transmission range can be determined flexibly according to the size of monitor area required for system.
The content that data chain device 104 transmits comprises the own location information, the band markers and the target TOA data of ID, the status information etc. of telepoint base station 103 that are sent to central processing station 105 by telepoint base station 103; And central processing station 105 sends to the command information and configuration data etc. of telepoint base station 103.
Described central processing station 105, couple mutually with reference to answering machine 102 and data chain device 104 with described, for receiving the answer signal adding timestamp and broadcast singal that send from described data chain device 104, TDOA algorithm is adopted to process again, to determine the exact position of target, and carry out time calibration according to signal lock in time sent with reference to answering machine 102.
Described central processing station 105 takes fully redundance mode; to determine that data can return to random time in the past; realize the free of discontinuities protection of data; the central processing station 105 automatically switched gathers target TOA (TimeofArrival by data chain device 104 from all telepoint base stations 103; time of arrival) data, status data etc.; then TDOA (Time Difference of Arrival is adopted; time of arrival is poor) algorithm calculating position; tracking target, management controls and tail number is added target reporting.Central processing station 105 demarcates an absolute time reference to all reports, demarcates the time of detection return signal.Central processing station 105 also monitors the state that all systems form and health condition, has data filtering flexibly and communication system, is easy to same ambient systems and is connected.
In order to the integrity of the reliability and service that ensure system, the telepoint base station 103 of above-mentioned ingredient, data chain device 104, reference answering machine 102, central processing station 105 all take the design of redundancy backup, when a station server or a certain link failure, another station server or backup link take over its work at once, prevent because network or hardware fault cause the loss of data.
Fig. 2 is the fundamental diagram of the greater coasting area surveillance based on MDS technology described in the utility model.
AIS equipment or A/C/S pattern answering equipment need be equipped with at the platform such as all naval vessels, helicopter, personal aircraft, yacht of off-shore operation, choose several (being greater than 3) fixed positions on the coast and be equipped with telepoint base station 103, and demarcate the precise position information of these fixed positions good, concrete position and quantity are determined flexibly by the size of required monitor area.
Naval vessel on the one hand, helicopter, personal aircraft, land period broadcast ADS-B signal and the ais signals such as yacht, these platforms are after receiving the A/C/S mode query signal or AIS pumping signal launched inquiry base station 101 on the other hand, produce corresponding answer signal after treatment and theaomni-directional transmission is gone out, telepoint base station 103 now on each fixed position just can receive these broadcast singals and answer signal, and accurately measure the radio signal time of arrival (TOA) of these platform targets, then the TOA information got is sent to central processing station 105 through data chain device 104, then at central processing station 105, TDOA (Time Difference of Arrival is adopted to above-mentioned information, time of arrival is poor) time difference hyperbola location algorithm processes, just the exact position of target can be determined, real time fusion primary radar data simultaneously, secondary radar data, ADS-B, the data such as AIS realize the accurate supervision to target.TDOA is a kind of wireless location technology, and it is different from TOA, and TDOA is the mistiming being arrived two base stations by detection signal, instead of the absolute time arrived determines the position of transfer table, reduces time synchronized requirement.Adopt three different base stations can measure two TDOA, movement station is positioned on the hyp intersection point that two TDOA determine.
Compared with prior art; greater coasting area surveillance based on MDS technology described in the utility model; the coastal waters such as inshore fishing, offshore prospecting, coastal waters search and rescue, offshore navigation, coastal waters defence can be widely used in movable, the targets such as relevant naval vessel, helicopter, personal aircraft, yacht are located in real time, Monitoring and Management controls.
The utility model is determined by adopting MDS technology to carry out target location, can obtain higher positional precision (target positioning error is better than 9 meters, and after real time data merges, precision can promote further).
The utility model is by adopting AIS equipment and S mode inquire response equipment, can realize carrying out data interaction to targets such as the naval vessel in greater coasting area, helicopter, personal aircraft, yachts, thus improve surveillance coverage and the utilization ratio of greater coasting area, meet the demand of following greater coasting area location, Monitoring and Management control.
It should be noted that; the foregoing is only preferred embodiment of the present utility model; not thereby limit scope of patent protection of the present utility model, the utility model can also carry out the improvement of materials and structures to the structure of above-mentioned various parts, or adopts technically equivalent ones to replace.Therefore the equivalent structure change that all utilizations instructions of the present utility model and diagramatic content are done, or directly or indirectly apply to other correlative technology fields and be all in like manner all contained in the scope that the utility model contains.
Claims (7)
1. based on a greater coasting area surveillance for MDS technology, it is characterized in that, comprise inquiry base station, reference answering machine, telepoint base station, data chain device and central processing station, wherein,
Described inquiry base station, couples mutually with the target platform in off-shore operation region, launches A/C/S mode query signal and/or the AIS pumping signal of repetition frequency, encourage described target platform to produce corresponding answer signal to described target platform;
Described reference answering machine, couples mutually with described telepoint base station and central processing station, periodically distally base station broadcast ADS-B signal and/or ais signal, and sends synchronizing clock signals to described central processing station;
Described telepoint base station, couple mutually with described target platform, reference answering machine and data chain device respectively, the answer signal that receiving target platform sends and the broadcast singal sent with reference to answering machine, and timestamp is added to it, then send to described central processing station by described data chain device;
Described central processing station, couple mutually with reference to answering machine and data chain device with described, receive the answer signal adding timestamp and broadcast singal that send from described data chain device, determine the exact position of target and carry out time calibration according to described signal lock in time with reference to answering machine transmission.
2., as claimed in claim 1 based on the greater coasting area surveillance of MDS technology, it is characterized in that, described telepoint base station is provided with at least three.
3. as claimed in claim 2 based on the greater coasting area surveillance of MDS technology, it is characterized in that, described telepoint base station comprises Transmit-Receive Unit and receiving element, and two kinds of unit all receive and the answer signal of A/C/S pattern of decoding and ADS-B signal and/or ais signal, and add timestamp to it.
4. as claimed in claim 1 based on the greater coasting area surveillance of MDS technology, it is characterized in that, described reference answering machine is installed on described target platform.
5. as claimed in claim 1 based on the greater coasting area surveillance of MDS technology, it is characterized in that, described reference answering machine is arranged in round-the-clock cabinet.
6., as claimed in claim 1 based on the greater coasting area surveillance of MDS technology, it is characterized in that, described data chain device is formed as the transmission channel between described telepoint base station and described central processing station.
7. the greater coasting area surveillance based on MDS technology according to any one of claim 1-6, is characterized in that, described inquiry base station, reference answering machine, telepoint base station, data chain device and central processing station all have redundancy backup.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821104A (en) * | 2015-04-15 | 2015-08-05 | 中国民用航空总局第二研究所 | Multilaser-action surveillance inquiry method and multilaser-action surveillance inquiry system |
| CN106714209A (en) * | 2016-12-15 | 2017-05-24 | 上海埃威航空电子有限公司 | AIS base station virtual navigation mark broadcast monitoring system and method |
| CN107132530A (en) * | 2017-05-13 | 2017-09-05 | 西安费斯达自动化工程有限公司 | My god/the integral monitoring system of sky/ships and light boats/buoy/islands and reefs base marine site multisensor |
| CN108306670A (en) * | 2016-12-16 | 2018-07-20 | 泰雷兹管理与服务德国股份有限公司 | Method for verifying the location information being included in ADS-B and the base stations ADS-B |
| CN108492628A (en) * | 2018-03-02 | 2018-09-04 | 上海埃威航空电子有限公司 | A kind of aircraft operation monitoring system waterborne and its control method |
| CN108540933A (en) * | 2018-04-12 | 2018-09-14 | 季振山 | Boat-carrying navigation through electronic device |
| CN110426716A (en) * | 2019-08-08 | 2019-11-08 | 中国人民解放军军事科学院国防科技创新研究院 | A kind of double star collaboration ship rescue system and rescue mode |
| CN114112993A (en) * | 2021-11-24 | 2022-03-01 | 成都理工大学 | Digital signal radar positioning integrated control terminal system with monitoring function |
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2014
- 2014-09-10 CN CN201420518195.4U patent/CN204142956U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821104A (en) * | 2015-04-15 | 2015-08-05 | 中国民用航空总局第二研究所 | Multilaser-action surveillance inquiry method and multilaser-action surveillance inquiry system |
| CN106714209A (en) * | 2016-12-15 | 2017-05-24 | 上海埃威航空电子有限公司 | AIS base station virtual navigation mark broadcast monitoring system and method |
| CN106714209B (en) * | 2016-12-15 | 2020-02-14 | 上海埃威航空电子有限公司 | AIS base station virtual navigation mark broadcasting monitoring system and method |
| CN108306670A (en) * | 2016-12-16 | 2018-07-20 | 泰雷兹管理与服务德国股份有限公司 | Method for verifying the location information being included in ADS-B and the base stations ADS-B |
| CN107132530A (en) * | 2017-05-13 | 2017-09-05 | 西安费斯达自动化工程有限公司 | My god/the integral monitoring system of sky/ships and light boats/buoy/islands and reefs base marine site multisensor |
| CN108492628A (en) * | 2018-03-02 | 2018-09-04 | 上海埃威航空电子有限公司 | A kind of aircraft operation monitoring system waterborne and its control method |
| CN108540933A (en) * | 2018-04-12 | 2018-09-14 | 季振山 | Boat-carrying navigation through electronic device |
| CN110426716A (en) * | 2019-08-08 | 2019-11-08 | 中国人民解放军军事科学院国防科技创新研究院 | A kind of double star collaboration ship rescue system and rescue mode |
| CN110426716B (en) * | 2019-08-08 | 2020-08-18 | 中国人民解放军军事科学院国防科技创新研究院 | Double-star cooperative ship rescue system and rescue method |
| CN114112993A (en) * | 2021-11-24 | 2022-03-01 | 成都理工大学 | Digital signal radar positioning integrated control terminal system with monitoring function |
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