CN108519045A - A kind of Big Dipper precision deformation monitoring and early warning system - Google Patents
A kind of Big Dipper precision deformation monitoring and early warning system Download PDFInfo
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- CN108519045A CN108519045A CN201810458360.4A CN201810458360A CN108519045A CN 108519045 A CN108519045 A CN 108519045A CN 201810458360 A CN201810458360 A CN 201810458360A CN 108519045 A CN108519045 A CN 108519045A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/35—Constructional details or hardware or software details of the signal processing chain
- G01S19/37—Hardware or software details of the signal processing chain
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- Radar, Positioning & Navigation (AREA)
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a kind of Big Dipper precision deformation monitoring and early warning system, including sensor subsystem, communication subsystem and monitoring center subsystem, sensor subsystem is connect by communication subsystem with monitoring center subsystem；The sensor subsystem, including Big Dipper base station sensor, Big Dipper monitoring station sensor and aiding sensors；The monitoring center subsystem, including database, data calculation part and data analysis component.The system can effectively solve GNSS technologies accurate the of high cost of deformation monitoring field, stability is poor, suitable application area is narrow the defects of.
Description
Technical field
The present invention relates to big-dipper satellite high-precision location technique field, specifically a kind of Big Dipper precision deformation monitoring and early warning
System.
Background technology
Currently, the deformation monitoring system deployment cost of GNSS technologies is high, system design is complicated, suitable application area is narrow, intelligent
The problems such as degree is low.Existing GNSS deformation monitorings technology mostly uses GPS satellite system, since China does not have corresponding GPS high-precision
The independent intellectual property right of receiver chip is spent, purchase cost is higher, simultaneously because traditional monitoring system design scheme is complicated, this is all
The deformation monitoring cost based on GNSS technologies will be caused to get higher, be unfavorable for the large scale application of the technology.Traditional GNSS
The communication of deformation monitoring technical data mostly uses the schemes such as wiring, wireless, communications cost height, apart from short, and data transmission efficiency is low,
It cannot be satisfied application of the GNSS technologies in certain fields.
Invention content
It is an object of the invention to overcome the deficiencies in the prior art, and provide a kind of Big Dipper precision deformation monitoring and early warning system
System, the system can effectively solve GNSS technologies in accurate the of high cost of deformation monitoring field, stability is poor, suitable application area is narrow etc. lacks
It falls into.
Realizing the technical solution of the object of the invention is：
A kind of Big Dipper precision deformation monitoring and early warning system, including sensor subsystem, communication subsystem and monitoring center subsystem
System, sensor subsystem are connect by communication subsystem with monitoring center subsystem；
The sensor subsystem, including Big Dipper base station sensor, Big Dipper monitoring station sensor and aiding sensors；It is described
Big Dipper base station sensor includes that the sequentially connected Big Dipper/GPS reference station reception antenna, signal arrester and the base station Big Dipper connect
Receipts machine；Big Dipper monitoring station sensor includes the sequentially connected Big Dipper/GPS monitorings station antenna, signal arrester and monitoring station
Beidou receiver；Aiding sensors include camera and rain sensor etc.；
The monitoring center subsystem, including database, data calculation part and data analysis component, database respectively with number
It is connected with data analysis component according to part is resolved, the database is also connect by WEB server with monitor terminal, monitor terminal
Early warning is carried out by short message, mail, Big Dipper short message alarm or web interface；Base station Beidou receiver, the monitoring station Big Dipper connect
The data received are stored in database by receipts machine, camera and rain sensor by communication subsystem；Data calculation part from
It proposes that data carry out high accuracy positioning resolving processing in database, then handling result is stored in database；Data analysis component
The data that extraction process is crossed from database carry out comprehensive pre-warning analysis, and early warning analysis result is stored in system database.
The base station Beidou receiver and monitoring station Beidou receiver, can pass through electricity by solar energy or respectively respectively
Cable connect with city's power supply system and is powered；Reference receiver and monitoring station Beidou receiver connect it with city's power supply system
Between should be equipped with UPS equipment, prevent power-off system operation is had an impact.
The base station Beidou receiver and monitoring station Beidou receiver, observation pier steel is fixed on mounted on by anchor ear
In monitoring vasculum on pipe, the Big Dipper/GPS monitoring station antennas are mounted on top and base station Beidou receiver and the monitoring of steel pipe
Beidou receiver of standing communicates, and signal arrester is mounted on steel pipe, and solar panel, solar panel are also installed on steel pipe
On the basis of station Beidou receiver and monitoring station Beidou receiver power supply.
The reference receiver and monitoring station Beidou receiver, using 4 frequency point high-precision Beidou receiver of double antenna,
Using ARM+FPGA as acp chip, integrated radio-frequency circuit, falsh chips and DDR3 chips, can receive Big Dipper B1 B3 and
GPS L1 L2 signals, power consumption are stable and reliable for performance down to 6w.
The data calculation part manages the data of each monitoring point observation using three layers of multithreaded architecture, and in third
Module, program operation exception detection module and data quality-monitoring module are resolved in layer line journey using Big Dipper high-precision to be observed
The processing of data.
The data analysis component is for carrying out deformation monitoring early warning and alarm.The data analysis component includes early warning
Alarming and managing module, data preprocessing module, data depth processing module, data processed result analysis module；
Early warning and alarming management module, progress user management, priority assignation, and monitoring, early-warning parameters can be set etc., it ensure that
Security of system, and it is convenient for user's remote management and system maintenance；
Data preprocessing module carries out corresponding decoding to the original displacement data of the receiver being collected into and auxiliary sensor data.
Wherein, simple processing, such as formation zone displacement data, speed, acceleration information etc. can be done to displacement data；
Data depth processing module passes through the number such as Grey Markov chain predicting model, BP neural network model to data prediction data
The deep processing of data is carried out according to fusion and prediction model；
Data processed result analysis module carries out visualization processing to monitoring information, can intuitively action displacement deformation quantity, speed become
Change curve etc., user is facilitated to grasp earth's surface variation tendency in real time, when potential displacement sedimentation hidden danger occurs, system is according to system
The setting of alarm parameters, makes corresponding early warning, and entire early warning is divided into three-level according to Ground Deformation degree, different degrees of deformation into
The progressive alarm of row, and the records such as initial data, analysis result are backed up, analysis playback is carried out afterwards.
The monitoring center subsystem, also connect with server room, and server room is that monitoring center subsystem carries
For reliable, high-quality network computer room environment.
Advantageous effect：A kind of Big Dipper precision deformation monitoring provided by the invention and early warning system, have the following advantages that：
（1）Compared with traditional scheme, which designs advantages of simple, can effectively reduce system Construction complexity, reduces cloth and is set as
This.
（2）The system uses the high-precision receiver with independent intellectual property right designed based on Beidou satellite system, adopts
Purchase it is at low cost, while the short message business based on dipper system can effectively realize publication emergency alert message function.
（3）Compared with traditional scheme, the modes such as wired, broadcast have been abandoned in data transfer mode, and use wireless network
Network communication transmitting data.Since with the continuous maturation of radio network technique, the especially popularization of 4G technologies, using the technical transmission
Data have the characteristics that long transmission distance, stability are high, at low cost.
（4）In the data calculation part based on data receiver, data processing, data storage, set using multithreading, modularization
Principle is counted, more monitoring more data of monitoring point in region can be effectively managed, and has the characteristics that quickly to handle.
Description of the drawings
Fig. 1 is the structure diagram of a kind of Big Dipper precision deformation monitoring and early warning system of the embodiment of the present invention；
The cities Tu2Wei power supply system is the schematic diagram of monitoring station power supply；
It stands on the basis of the cities Tu3Wei power supply system the schematic diagram of power supply；
Fig. 4 is the structural schematic diagram of Big Dipper observation pier；
Fig. 5 is solar powered schematic diagram；
Fig. 6 is lightning protection schematic diagram；
Fig. 7 is Beidou receiver signal acquisition schematic diagram；
Fig. 8 is the signal transmission schematic diagram of communication subsystem；
Fig. 9 is the structure diagram of data calculation part；
Figure 10 is the structure diagram of warning function of the present invention.
Specific implementation mode
The present invention is further elaborated with reference to the accompanying drawings and examples, but is not limitation of the invention.
Embodiment：
As shown in Figure 1, a kind of Big Dipper precision deformation monitoring and early warning system, including sensor subsystem, communication subsystem and prison
Center subsystem is controlled, sensor subsystem is connect by communication subsystem with monitoring center subsystem；Sensor subsystem is located at
In the observation pier of observation station；
The sensor subsystem, including Big Dipper base station sensor, Big Dipper monitoring station sensor and aiding sensors；It is described
Big Dipper base station sensor includes that the sequentially connected Big Dipper/GPS reference station reception antenna, signal arrester and the base station Big Dipper connect
Receipts machine；Big Dipper monitoring station sensor includes the sequentially connected Big Dipper/GPS monitorings station antenna, signal arrester and monitoring station
Beidou receiver；Aiding sensors include camera and rain sensor；
The monitoring center subsystem, including database, data calculation part and data analysis component, database respectively with number
It is connected with data analysis component according to part is resolved, the database is also connect by server with monitor terminal, and monitor terminal is logical
It crosses short message, mail, Big Dipper short message alarm or web interface and carries out early warning；Base station Beidou receiver, the monitoring station Big Dipper receive
The data received are stored in database by machine, camera and rain sensor by communication subsystem；Data calculation part is from number
High accuracy positioning resolving processing is carried out according to proposition data in library, then handling result is stored in database；Data analysis component from
The data that extraction process is crossed in database carry out comprehensive pre-warning analysis, and early warning analysis result is stored in system database.
The monitoring center subsystem, also connect with server room, and server room is that monitoring center subsystem carries
For reliable, high-quality network computer room environment.
Server room is built：Computer room requires to provide reliable, high-quality building environment.One side computer room construction needs to meet
Equipment safety, the reliable, normal operation of computer system, the network equipment, data storage device and auxiliary facility；Another party
Face, computer room construction provide a comfortable working environment to staff.Therefore it is ensured that machine during equipment room renovation is designed and is constructed
Room is advanced, reliable and high-quality, to meet the service requirement of system.Computer room should specifically meet following requirement：
1) electric system stablized
2) band fixed ip address, the private line network of bandwidth 10MB or more
3) data center's cabinet, display
4) air-conditioning
5) Working table, work chair
6) fire prevention system
7) lightning-protection system
8) building environment is safeguarded
9) calculator room equipment is kept an eye on
As shown in Figure 2, Figure 3 and Figure 4, the monitoring station Beidou receiver and base station Beidou receiver are mounted on by embracing
Hoop is fixed in the monitoring vasculum on observation pier steel pipe, and the Big Dipper/GPS monitoring station antennas are mounted on the top and monitoring station of steel pipe
Beidou receiver communicates, and lightning rod is mounted on steel pipe, if monitoring station and base station Beidou receiver using solar powered,
Solar panel is also installed on steel pipe.
As shown in figure 5, being solar powered schematic diagram, solar panel is connected with controller, and controller connects respectively
Connect load and accumulator.Wherein, solar panel converts light energy into electric energy, and the electricity of electric energy is controlled by controller
Pressure, electric energy distribution etc. so that the electric energy of acquisition can be stored in accumulator to being rationally allocated to load, and by extra electric energy.
The base station Beidou receiver and monitoring station Beidou receiver should then be distinguished according to mains-supplied mode
It is connect with city's power supply system by cable, is set between reference receiver and monitoring station Beidou receiver and power supply system connection
There is UPS equipment, prevents power-off from being had an impact to system operation.
As shown in fig. 6, be usually to install lightning rod by observation pier to the protection of direct thunder, equicohesive lightning current in the middle
When being grounded by lightning rod, the safety value range of antenna can have been reached by the decaying of 20 cm distances.
As shown in fig. 7, the reference receiver and monitoring station Beidou receiver, using double antenna 4 frequency point high-precision
Beidou receiver, using ARM+FPGA as acp chip, integrated radio-frequency circuit, falsh chips and DDR3 chips can receive
GPS L1 L2 and BDS B1 B3 signals, power consumption are stable and reliable for performance down to 6w.
The communication subsystem, using wireless communication technique, including GPRS, 3G/4G wireless communication technique, 4G communicates skill
Art be using orthogonal frequency division multiplexi as core technology, it is high-performance, small-sized in combination with the high-speed access technology of strong interference immunity
Change the adaptive array smart antenna with low cost, large capacity, inexpensive wireless interface and optical interface, software radio and net
The technologies such as network infrastructure protocol.4G network of the 4G communication mechanisms based on current domestic three big operator, data are realized by 4G nets
Real-time upload, while backward compatible 3G network can automatically switch to 3G network progress in the case where 4G signals can not cover
Communication.
Public network 3G/4G communication data transfer processes are as shown in Figure 8.3G/4G communication modules are responsible for being communicated with the external world, will
The satellite data of receiver acquisition is sent to database, and data are transmitted directly to 3G/4G by serial ports and communicate mould by control bottom plate
Block, 3G/4G communication modules carry out data packing in inside, establish TCP Client socket interfaces later, will be counted by 3G/4G
According to being transferred to carrier network.Serial ports AT instruction be used for the working method of user configuration module and the IP address of connecting object and
Port is connected to 3G/4G communication modules using serial ports, you can sends corresponding AT instructions and completes module setting.In network transparent transmission
Under pattern, system, which is also an option that, allows 3G/4G communication modules to send heartbeat packet, and heartbeat packet can be sent to data receiver,
It can be sent to serial equipment end.Heartbeat packet is sent when network does not have the time of data to be more than the heart time of setting.
It is for the company with server holding connection, and idle for a long time equipment and server-side to send main purpose to data receiver
It connects, while server can also know the online situation of module by heartbeat packet.
As shown in figure 9, the data calculation part uses three layers of multithreaded architecture admin site data, first layer thread
It is responsible for each monitoring region of connection（Multiple monitoring stations form a monitoring region）Base station Beidou receiver, and receive observation
Data, while in order to provide reference data to all monitoring stations in entire monitoring region, the layer line journey is by the reference data of reception
It is broadcast to second layer thread by TCP server agreements；Second layer thread is responsible for connecting the monitoring station Big Dipper in each monitoring region
Receiver simultaneously receives observation data, while receiving reference data by TCP Client agreements；Third layer thread is from the second layer
Lift monitoring data and reference data is resolved and handled, the data calculation module includes that Big Dipper high accuracy positioning resolves mould
Block, program operation exception detection module and data quality-monitoring module.
The Big Dipper high accuracy positioning resolves module, is realized using the Big Dipper and the other navigation positioning systems of fusion high-precision
Degree positioning, which is the most crucial part of whole system, and real-time positioning calculation precision reaches grade, ship lock shape is fully achieved
Become monitoring standard requirement；Compared with the similar product under current techniques, which solves a variety of works by high accuracy positioning algorithm
Journey problem is realized using low-cost receiver, and the high accuracy positioning low precision problem in the case where observing adverse circumstances.Especially exist
Following innovation is carried out on high accuracy positioning algorithm：
（1）Multimodality fusion resolves mode
In order to improve positioning calculation precision, while in order to increase the fixed rate of high accuracy positioning solution, which can
Merge a variety of satellite positioning and navigation system, such as GPS, GLONASS etc., what multisystem fusion function had fully demonstrated the system can
Compatibility.
（2）Using robust spreading kalman algorithm
The problems such as causing positioning accuracy to decline for field monitoring bad environments, software novelty increase robust algorithm,
The algorithm can effectively eliminate influence of the observation rough error to positioning accuracy, improve positioning accuracy.
（3）Increase selects star strategy to improve precision
For the influences such as multipath and cycle slip caused by monitoring ship lock region, software, which increases, selects star strategy, for impacted
Low elevation angle satellite, selecting-star algorithm can be identified quickly and can be handled, and eliminate the influence that low elevation angle satellite generates precision.
（4）Noise-removed filtering algorithm improves positioning accuracy
For the weak noise that real-time dynamic high precision location algorithm occurs, handled using denoising filter in software, not
In the case of influencing positioning dynamic, the precision of real-time positioning calculation is improved.
（5）Pseudorange and carrier wave combination algorithm improve real-time
Software improves the real-time of positioning calculation in such a way that pseudorange and double-differential carrier phase combine.When only using only carrier wave
When phase double difference resolves, the equation for resolving integer ambiguity generates rank defect situation, causes fuzziness to be unable to real-time resolving and comes out, sternly
The live effect of monitoring is affected again.In order to improve the real-time of monitoring, which makes full use of real-time pseudo-range information, eliminate etc.
Formula rank defect phenomenon, improves the real-time of positioning.
Described program operation exception detection module, in order to cope with the abnormal conditions of high accuracy positioning resolving, in the module
Added with solution process self-checking function module, the function can high accuracy positioning resolves part operation feelings in monitoring program in real time
Condition, once occur resolving abnormal（For example long-time floating-point state, base station data exception occur etc.）, software can notify to manage in time
Member simultaneously starts self-regeneration function.
The quality of data monitoring modular, which can reject unusual observation, and is positioned into data are second-rate
Row smoothing processing improves the precision positioned in real time.
Data calculation partial fusion modularization idea, have easily extension, easily transplanting, stability is high, arithmetic speed is fast, memory
Occupy the features such as low and advantage.Software for Design fully considers compatibility, can realize and connect with multitype database（Such as SQL
Server, MYSQL etc.）, realization is attached with website or sensor various ways or protocol interface, such as is monitored in connection
The various ways such as Transmission Control Protocol, port may be used when standing.
For the data analysis component for carrying out deformation monitoring early warning and alarm, the data analysis component includes early warning
Alarming and managing module, data preprocessing module, data depth processing module, data processed result analysis module.
Early warning and alarming management module, progress user management, priority assignation, and monitoring, early-warning parameters can be set etc., it protects
Security of system has been demonstrate,proved, and has been convenient for user's remote management and system maintenance.
Data preprocessing module accordingly solves the original displacement data of the receiver being collected into and auxiliary sensor data
Code.Wherein, simple processing, such as formation zone displacement data, speed, acceleration information etc. can be done to displacement data.
Data depth processing module passes through Grey Markov chain predicting model, BP neural network model to data prediction data
Etc. data fusions and prediction model carry out the deep processing of data.
Data processed result analysis module carries out visualization processing, the intuitive action displacement deformation quantity of energy, speed to monitoring information
Spend change curve etc., user facilitated to grasp earth's surface variation tendency in real time, when potential displacement occurring settling hidden danger, system according to
The setting of system alarm parameter, makes corresponding early warning, and entire early warning is divided into three-level, different degrees of shape according to Ground Deformation degree
Become and carry out progressive alarm, and the records such as initial data, analysis result are backed up, carries out analysis playback afterwards.
Claims (9)
1. a kind of Big Dipper precision deformation monitoring and early warning system, which is characterized in that including sensor subsystem, communication subsystem and
Monitoring center subsystem, sensor subsystem are connect by communication subsystem with monitoring center subsystem；
The sensor subsystem, including Big Dipper base station sensor, Big Dipper monitoring station sensor and aiding sensors；It is described
Big Dipper base station sensor includes that the sequentially connected Big Dipper/GPS reference station reception antenna, signal arrester and the base station Big Dipper connect
Receipts machine；Big Dipper monitoring station sensor includes the sequentially connected Big Dipper/GPS monitorings station antenna, signal arrester and monitoring station
Beidou receiver；Aiding sensors include camera and rain sensor etc.；
The monitoring center subsystem, including database, data calculation part and data analysis component, database respectively with number
It is connected with data analysis component according to part is resolved, the database is also connect by WEB server with monitor terminal, monitor terminal
Early warning is carried out by short message, mail, Big Dipper short message alarm or web interface；Base station Beidou receiver, the monitoring station Big Dipper connect
The data received are stored in database by receipts machine, camera and rain sensor by communication subsystem；Data calculation part from
It proposes that data carry out high accuracy positioning resolving processing in database, then handling result is stored in database；Data analysis component
The data that extraction process is crossed from database carry out comprehensive pre-warning analysis, and early warning analysis result is stored in system database.
2. a kind of Big Dipper precision deformation monitoring according to claim 1 and early warning system, which is characterized in that the benchmark
It stands Beidou receiver and monitoring station Beidou receiver, cable can be passed through by solar energy or respectively respectively and connected with city's power supply system
It connects and is powered；It should be equipped with UPS equipment between reference receiver and monitoring station Beidou receiver and the connection of city's power supply system, prevent
It only powers off and system operation is had an impact.
3. a kind of Big Dipper precision deformation monitoring according to claim 1 and early warning system, which is characterized in that the benchmark
It stands Beidou receiver and monitoring station Beidou receiver, mounted on the monitoring vasculum being fixed on by anchor ear on observation pier steel pipe
It is interior, the Big Dipper/GPS monitoring station antennas are mounted on the top of steel pipe and base station Beidou receiver and monitoring station Beidou receiver lead to
Letter, signal arrester are mounted on steel pipe, and solar panel is also installed on steel pipe, and the station Big Dipper connects on the basis of solar panel
Receipts machine and the power supply of monitoring station Beidou receiver.
4. a kind of Big Dipper precision deformation monitoring according to claim 1 and early warning system, which is characterized in that the base
Quasi- station receiver and monitoring station Beidou receiver, using 4 frequency point high-precision Beidou receiver of double antenna, using ARM+FPGA as core
Chip centroid, integrated radio-frequency circuit, falsh chips and DDR3 chips can receive Big Dipper B1 B3 and GPS L1 L2 signals, work(
Consumption is stable and reliable for performance down to 6w.
5. a kind of Big Dipper precision deformation monitoring according to claim 1 and early warning system, which is characterized in that the data
The data that part manages each monitoring point observation using three layers of multithreaded architecture are resolved, and high using the Big Dipper in third layer thread
Precision resolves the processing that module, program operation exception detection module and data quality-monitoring module are observed data.
6. a kind of Big Dipper precision deformation monitoring according to claim 1 and early warning system, which is characterized in that the data
Analysis part is for carrying out deformation monitoring early warning and alarm.
7. the data analysis component includes early warning and alarming management module, data preprocessing module, data depth processing module, number
According to handling result analysis module；
Early warning and alarming management module, progress user management, priority assignation, and monitoring, early-warning parameters can be set etc., it ensure that
Security of system, and it is convenient for user's remote management and system maintenance；
Data preprocessing module carries out corresponding decoding to the original displacement data of the receiver being collected into and auxiliary sensor data.
8. wherein, simple processing, such as formation zone displacement data, speed, acceleration information etc. can be done to displacement data；
Data depth processing module passes through the number such as Grey Markov chain predicting model, BP neural network model to data prediction data
The deep processing of data is carried out according to fusion and prediction model；
Data processed result analysis module carries out visualization processing to monitoring information, can intuitively action displacement deformation quantity, speed become
Change curve etc., user is facilitated to grasp earth's surface variation tendency in real time, when potential displacement sedimentation hidden danger occurs, system is according to system
The setting of alarm parameters, makes corresponding early warning, and entire early warning is divided into three-level according to Ground Deformation degree, different degrees of deformation into
The progressive alarm of row, and the records such as initial data, analysis result are backed up, analysis playback is carried out afterwards.
9. a kind of Big Dipper precision deformation monitoring according to claim 1 and early warning system, which is characterized in that the monitoring
Center subsystem is also connect with server room, and server room provides reliable, high-quality network for monitoring center subsystem
Building environment.
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