CN104732728B - A kind of intelligent terminal's Pre-Alarm Earthquakes system - Google Patents
A kind of intelligent terminal's Pre-Alarm Earthquakes system Download PDFInfo
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
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Abstract
The invention belongs to disaster reduction and prevention field, and in particular to a kind of intelligent terminal's Pre-Alarm Earthquakes system.In the range of prewarning area, present system includes 1 data center and multiple intelligent terminal 1.In prealarming process, data center picks out part intelligent terminal 1 according to data processing subcenter method for building up from dynamic in intelligent terminal 1, is set to intelligent terminal 2, and intelligent terminal 2 is also referred to as data processing subcenter.Intelligent terminal 1 and intelligent terminal 2 can adopt smart mobile phone, have the advantages that small volume, lightweight, be easy to carry, arrange that simple, cost of layout is low, monitoring terminal quantity is more, distribution is wide；By the advantage on terminal quantity, the precision for estimating earthquake epicenter position is lifted；1 Pre-Alarm Earthquakes system of intelligent terminal shortens response time by the way of sub-network, and the efficiency of earthquake pre-warning is significantly improved；Intelligent terminal 1 includes notification module, when there is earthquake, can warn user in time.
Description
Technical field
The present invention relates to a kind of intelligent terminal's Pre-Alarm Earthquakes system, belongs to disaster reduction and prevention field.
Background technology
Existing earthquake pre-warning method is usually in certain area, lays multiple earthquakes and survey at the basement rock of below ground
Amount equipment.When there is earthquake, the seismic survey equipment in earthquake region sends seismic measurement data to earthquake pre-warning center first.Early warning
Center calculates earthquake centre, earthquake magnitude, epicentral intensity and Occurence Time of Earthquakes according to the data for receiving, and then believes to all kinds of earthquake pre-warnings
Breath receiving terminal sends earthquake pre-warning information.What this method needs were artificial lays substantial amounts of seismic survey equipment in below ground,
Construction cost is high, maintenance cost is high, and the value of seismic survey equipment itself is also very high.
Content of the invention
The purpose of the present invention is the deficiency existed for existing earthquake pre-warning technology, proposes a kind of low cost, prediction accurately,
And the quick intelligent terminal's Pre-Alarm Earthquakes system for propagating earthquake information to the common people.
The purpose of the present invention is achieved through the following technical solutions.
A kind of intelligent terminal's Pre-Alarm Earthquakes system of the present invention, it is characterised in that：In the range of prewarning area, comprising 1
Data center and multiple intelligent terminal 1.In prealarming process, data center according to data processing subcenter method for building up, from intelligence
In energy terminal 1, dynamic picks out part intelligent terminal 1, is set to intelligent terminal 2, and intelligent terminal 2 is also referred to as data processing
Subcenter.
The method for building up of the data processing subcenter, specially：
1st step：Prewarning area is divided into many sub-regions.
Described prewarning area is divided into many sub-regions method be：Averagely divide according to longitude and latitude.
Described the method that prewarning area is divided into many sub-regions can also be：By each mobile network in prewarning area
The base station range of supplier is used as sub-regions.
2nd step：Calculate the weights of each intelligent terminal 1 in subregion.
3rd step：The intelligent terminal of the intelligent terminal 1 as the subregion of a maximum weight is selected in every sub-regions
2.
In calculating subregion described in 2nd step, the method for the weights of each intelligent terminal 1 is：
Step 2.1：Setpoint distance threshold value (represented with symbol TH), TH ∈ [5,300] km；
Step 2.2：From in 1 place subregion of current intelligent terminal, a untreated other intelligent terminal 1 is selected,
The distance (being represented with symbol L ') of the other intelligent terminal 1 and current intelligent terminal 1 is calculated, if threshold value is less than apart from L '
TH, then add 1 by the weights of current intelligent terminal 1；Then the other intelligent terminal 1 is labeled as processed；Repeat the step,
Until current intelligent terminal 1 was calculated with the distance of whole other intelligent terminals 1 in the subregion, you can obtain current intelligence
The weights of terminal 1.
The method for calculating the weights of each intelligent terminal 1 in subregion described in 2nd step can also be：
Step 2.a：Calculate the center of gravity of 1 place subregion of current intelligent terminal；
Step 2.b：Distance of each intelligent terminal 1 to center of gravity in the subregion is calculated, then the weights of current intelligent terminal 1
Can be calculated by formula (2).
Wherein, wiRepresent the weights of i-th intelligent terminal 1 of the subregion；1≤i≤N；N is that intelligence is whole in the subregion
The quantity at end 1；LiFor the subregion i-th intelligent terminal to center of gravity distance.
Intelligent terminal 1 is consistent in composition structure with intelligent terminal 2, but functionally different.
The intelligent terminal 1 and intelligent terminal 2 include：Three axis accelerometer, three-axis gyroscope, magnetometer, analysis mould
Block, locating module, communication module, data memory module and notification module.The locating module is specially global navigational satellite system
System (Global Navigation Satellite System, GNSS).
2 uses of intelligent terminal analysis module therein, locating module, communication module and notification module.
The data center includes data transmission module, data processing module and data memory module.
Its annexation is：
Bidirectional data transfers are carried out between the communication module of the communication module of intelligent terminal 1 and intelligent terminal 2；Intelligent terminal
Bidirectional data transfers are carried out between 1 communication module and the data transmission module of data center；The communication module of intelligent terminal 2 with
Bidirectional data transfers are carried out between the data transmission module of data center；
The outfan of the three axis accelerometer of intelligent terminal 1, three-axis gyroscope and magnetometer number respectively with intelligent terminal 1
Connect according to the input of memory module and analysis module；Between the communication module of the analysis module of intelligent terminal 1 and intelligent terminal 1
Bidirectional data transfers；The outfan of the locating module of intelligent terminal 1 is whole with the data memory module of intelligent terminal 1 and intelligence respectively
The input connection of the communication module at end 1；The outfan of the analysis module of intelligent terminal 1 notice mould respectively with intelligent terminal 1
The input connection of block and data memory module.The outfan of the data memory module of intelligent terminal 1 and the communication of intelligent terminal 1
The input connection of module.
The outfan of the locating module of intelligent terminal 2 is connected with the input of the communication module of intelligent terminal 2；Intelligent terminal
Bidirectional data transfers are carried out between the communication module of 2 analysis module and intelligent terminal 2；The analysis module of intelligent terminal 2 defeated
Go out end to be connected with the input of the notification module of intelligent terminal 2.
Bidirectional data transfers are carried out between the data processing module of data center and the data transmission module of data center；Number
According to carrying out bidirectional data transfers between the data transmission module at center and the data memory module of data center.
The major function of the intelligent terminal 1 is：
1. using three axles of its built-in three axis accelerometer, three-axis gyroscope and magnetometer Real-time Collection intelligent terminal 1
Acceleration signal, three axis angular rate signals and three axial magnetic induction signals are stored in the data storage of intelligent terminal 1
Module, and it is sent to the analysis module of intelligent terminal 1.
2. the analysis module in intelligent terminal 1 is axial to the 3-axis acceleration of intelligent terminal 1, three axis angular rates and three
Magnetic induction is processed, the spatial attitude of computational intelligence terminal 1, i.e. three directions of intelligent terminal 1 and earth coordinates
Angle and intelligent terminal 1 kinestate；And judge whether intelligent terminal 1 is according to the spatial attitude of intelligent terminal 1
Working condition.
3. the 3-axis acceleration that the three axis accelerometer in the analysis module analysis intelligent terminal 1 in intelligent terminal 1 is gathered
Signal, when 3-axis acceleration signal is judged for abnormal signal, extracts acceleration signal special from the 3-axis acceleration signal
Levy, the communication module of communication module and intelligent terminal 2 the acceleration signal feature by intelligent terminal 1 is sent to intelligence
The analysis module of energy mobile terminal 2；Simultaneously by communication module and the data transmission module of data center of intelligent terminal 1,
The acceleration signal feature is sent to the data processing module of data center.
The acceleration signal feature includes：Longitudinal acceleration signal time of advent, longitudinal acceleration signal reach after 3 seconds
Interior signal, longitudinal acceleration signal reach after signal spectrum figure in 3 seconds, longitudinal acceleration signal peak value, transverse acceleration
Signal in 3 seconds after signal, transverse acceleration signal arrival in 3 seconds after time of arrival (toa), transverse acceleration signal arrival
Spectrogram, transverse acceleration signal peak value and τcValue.The longitudinal acceleration signal is P-wave signal；Described laterally accelerate
Degree signal is seismic Swave signals.The τcValue is calculated by formula (1).
Wherein,τo∈ [2,4] s (second)；U (t) is the acceleration signal changed with time t；It is
Difference to u (t).
4. the positional information for obtaining intelligent terminal 1 using the locating module in intelligent terminal 1 is sent to the number of intelligent terminal 1
According to memory module；By the communication module of intelligent terminal 1 and the communication module of intelligent terminal 2 the positional information of intelligent terminal 1
It is sent to the analysis module of intelligent mobile terminal 2；Meanwhile, passed by the communication module of intelligent terminal 1 and the data of data center
Defeated module, the data processing module that the positional information of intelligent terminal 1 is sent to data center.
5. the communication module of intelligent terminal 1 enters row data communication with the communication module of intelligent terminal 2.
6. the communication module of intelligent terminal 1 enters row data communication with the data transmission module of data center.
7. the analysis module of intelligent terminal 1 is for the data processing module or the analysis mould of intelligent terminal 2 from data center
Earthquake epicenter position, earthquake magnitude, epicentral intensity and the Occurence Time of Earthquakes information that block is received is processed, and is obtained earthquake arrival and is worked as
The time on ground and local earthquake intensity, and earthquake epicenter position, earthquake magnitude, epicentral intensity, Occurence Time of Earthquakes information, earthquake arrival are worked as
The time on ground and local earthquake intensity are sent to notification module and data memory module.The analysis module of intelligent terminal 1 is by analytically
Shake time of origin information, earthquake epicenter position, 1 present position of intelligent terminal and seismic Swave signals spread speed, obtain intelligence
A shake time of 1 present position of terminal, i.e. earthquake reach the local time.
8. the notification module of intelligent terminal 1 shows early warning information to user.
9. after early warning information to be presented terminates, the data memory module of intelligent terminal 1 the 3-axis acceleration signal of storage,
The positional information of three axis angular rate signals, three axial magnetic induction signals and intelligent terminal 1 is by the logical of intelligent terminal 1
Letter module and the data transmission module of data center, are sent to the data memory module of data center.
Described judge that acceleration signal for the method for abnormal signal is：
Step 1：According to spatial attitude and the 3-axis acceleration signal of intelligent terminal 1, calculate 3-axis acceleration signal and exist
The transverse acceleration signal and longitudinal acceleration signal of earth axes.
Step 2：If the Induction Peried of transverse acceleration signal is prior to the Induction Peried of longitudinal acceleration signal, then it is assumed that
Acceleration signal is non-abnormal signal, terminates to judge；Otherwise, the operation of step 3 is carried out.
Step 3：If the difference of transverse acceleration signal amplitude is not more than threshold value set in advance (uses symbol σ1Represent),Acceleration signal is then thought for non-abnormal signal, terminate to judge；Otherwise, the behaviour for carrying out step 4
Make.
Step 4：If the difference of longitudinal acceleration signal amplitude is not more than threshold value set in advance (uses symbol σ2Represent),Acceleration signal is then thought for non-abnormal signal, terminate to judge；Otherwise, the behaviour for carrying out step 5
Make.
Step 5：If 3-axis acceleration signal has symmetry in signal average, the operation of step 6 is carried out；Otherwise,
3-axis acceleration signal is thought for non-abnormal signal, terminate to judge.
Step 6：Fast Fourier transform (FFT) is done to 3-axis acceleration signal obtains acceleration signal spectrogram, if
The main frequency of signal is less than 10Hz, then it is assumed that 3-axis acceleration signal is abnormal signal；Otherwise it is assumed that acceleration signal is non-
Abnormal signal.
Described judge that 1 whether in running order concrete grammar of intelligent terminal is：If the three shaft angles speed of intelligent terminal 1
The amplitude of degree signal is respectively less than a certain threshold value set in advance and (uses symbol σ3Represent),And intelligent terminal's 1
The difference of three axial magnetic induction signal amplitudes is respectively less than a certain threshold value set in advance and (uses symbol σ4Represent), 0.1
≤σ4≤ 10, then it is assumed that intelligent terminal 1 is in running order.
The major function of the intelligent terminal 2 is：
1. the locating module by intelligent terminal 2 obtains the positional information of intelligent terminal 2, and by the logical of intelligent terminal 2
The communication module of letter module and intelligent terminal 1 is sent to the analysis module of intelligent terminal 1.
2. the communication module of intelligent terminal 2 enters row data communication with the communication module of intelligent terminal 1.
3. the communication module of intelligent terminal 2 enters row data communication with the data transmission module of data center.
4. the 3-axis acceleration of the intelligent terminal 1 that the analysis module of intelligent terminal 2 is transmitted to the communication module of intelligent terminal 2
Signal characteristic is analyzed, and obtains earthquake epicenter position, earthquake magnitude, epicentral intensity and Occurence Time of Earthquakes, by intelligent terminal's 2
The communication module of communication module and intelligent terminal 1 is sent to the analysis module of intelligent terminal 1.
5. the analysis module of intelligent terminal 2 is for the Earthquake middle position received from the data processing module of data center
Put, earthquake magnitude, epicentral intensity and Occurence Time of Earthquakes information are processed, obtain earthquake and reach local time and local earthquake intensity,
And earthquake epicenter position, earthquake magnitude, epicentral intensity, Occurence Time of Earthquakes information, earthquake are reached local time and local earthquake intensity
It is sent to the notification module of intelligent terminal 2.The analysis module of intelligent terminal 2 is by analyzing Occurence Time of Earthquakes information, Earthquake
Middle position, 2 present position of intelligent terminal and seismic Swave signals spread speed, obtain when playing shake of 2 present position of intelligent terminal
Between.
6. the notification module of intelligent terminal 2 shows early warning information to user.
The major function of the data center is：
1. the data transmission module of data center communication module and the communication mould of intelligent terminal 2 respectively with intelligent terminal 1
Block enters row data communication.
2. the data processing module of data center to the acceleration signal feature that receives from intelligent terminal 1 and intelligence eventually
The positional information at end 1 is processed, and is obtained earthquake epicenter position, earthquake magnitude, epicentral intensity and Occurence Time of Earthquakes, and is passed through data
The communication module of transport module, the communication module of intelligent terminal 1 and intelligent terminal 2 is sent respectively at the data of intelligent terminal 1
Reason module and the data processing module of intelligent terminal 2.
3. the data memory module of data center measures the intelligent terminal 1 for receiving 3-axis acceleration signal, three axles
The positional information storage of angular velocity signal, three axial magnetic induction signals and intelligent terminal 1 is standby.
4. the analysis module of data center is selected from dynamic in intelligent terminal 1 according to data processing subcenter method for building up
Go out part intelligent terminal 1, be set to intelligent terminal 2, intelligent terminal 2 is data processing subcenter.
The idiographic flow that earthquake pre-warning is carried out using intelligent terminal's Pre-Alarm Earthquakes system is：
Step A：Intelligent terminal 1 passes through the positional information of intelligent terminal 1 communication module and the data center of intelligent terminal 1
Data transmission module, issue the data processing module of data center.
Step B：Data center picks out part according to data processing subcenter method for building up from dynamic in intelligent terminal 1
Intelligent terminal 1, is set to intelligent terminal 2, and intelligent terminal 2 is also referred to as data processing subcenter.
Step C：Three axis accelerometer, three-axis gyroscope and magnetometer in intelligent terminal 1 will measure the three of intelligent terminal 1
Axle acceleration signal, three axis angular rate signals and three axial magnetic induction signals, and it is sent to the analysis of intelligent terminal 1
Module.
Step D：Analysis module in intelligent terminal 1 is to the 3-axis acceleration of intelligent terminal 1, three axis angular rates and three axle sides
To magnetic induction processed, the spatial attitude of computational intelligence terminal 1, i.e. intelligent terminal 1 three to earth coordinates
The angle in direction；And judge whether intelligent terminal is in running order according to the spatial attitude of intelligent terminal 1.If intelligent terminal
1 is in running order, then carry out the operation of step E；Otherwise, step C is returned to.
Step E：The acceleration of the three axis accelerometer collection in analysis module analysis intelligent terminal 1 in intelligent terminal 1
Signal, when 3-axis acceleration signal is abnormal signal, acceleration signal feature by the communication module of intelligent terminal 1, intelligence
The communication module of energy terminal 2 and the data transmission module of data center, are sent to analysis module and the data center of intelligent terminal 2
Data processing module；Otherwise, step C is returned to.
Step F：The positional information that intelligent terminal 1 is obtained using the locating module in intelligent terminal 1, and passed through intelligence
The data transmission module of the communication module of terminal 1, the communication module of intelligent terminal 2 and data center, is sent to intelligent terminal's 2
Analysis module and the data processing module of data center.
Step G：The analysis module of intelligent terminal 2 is processed to the acceleration signal feature of the intelligent terminal 1 for receiving, and is obtained
Arrive earthquake epicenter, earthquake magnitude, epicentral intensity and Occurence Time of Earthquakes, and the communication module by intelligent terminal 2 and intelligent terminal 1
Communication module, issues the analysis module of all intelligent terminal 1 in subregion.
Step I：The data processing module of data center is to the acceleration signal feature that receives from intelligent terminal 1 and intelligence
The positional information of energy terminal 1 is processed, and is obtained earthquake epicenter position, earthquake magnitude, epicentral intensity and Occurence Time of Earthquakes, and is passed through
The communication module of data transmission module, the communication module of intelligent terminal 1 and intelligent terminal 2 is sent respectively to the number of intelligent terminal 1
According to processing module and the data processing module of intelligent terminal 2.
Step J：The analysis module of the analysis module of intelligent terminal 1 and intelligent terminal 2 is respectively directed to the number from data center
Earthquake epicenter, earthquake magnitude, epicentral intensity and the Occurence Time of Earthquakes information received according to processing module is processed, and is obtained earthquake and is reached
To local time and local earthquake intensity；And form early warning information and be sent to respective notification module.The early warning information includes：Ground
Shake epicentral location, earthquake magnitude, epicentral intensity, Occurence Time of Earthquakes, shake reach the time of locality and local earthquake intensity.
Step K：The notification module of the notification module of intelligent terminal 1 and intelligent terminal 2 shows early warning information to user respectively.
Step L：Intelligent terminal 1 notification module displaying after, 3-axis acceleration signal and the positional information of intelligent terminal
By the communication module by intelligent terminal 1 and the data transmission module of data center, the data storage of data center is sent to
Module.
Step M：The data memory module of data center is the 3-axis acceleration signal of intelligent terminal 1 and intelligent terminal 1
Positional information storage is standby.
Beneficial effect
Intelligent terminal's Pre-Alarm Earthquakes system proposed by the present invention is compared with the prior art compared with having the advantage that：
1. small volume, lightweight, be easy to carry, arrange simple.
2. present smart mobile phone can meet the function needed for the intelligent terminal, can pass through to install mobile phone app's
Mode, makes smart mobile phone that there is the function of the intelligent terminal, therefore arranges that simple, cost of layout is low, and monitoring terminal quantity is more,
Distribution is wide.
3. intelligent terminal's Pre-Alarm Earthquakes system integral arrangement low cost of the invention, can pass through the quantitative advantage of website,
To lift the precision for estimating earthquake epicenter position.
4. intelligent terminal's Pre-Alarm Earthquakes system of the invention shortens response time, earthquake pre-warning by the way of sub-network
Efficiency significantly improve.
5. the intelligent terminal includes notification module, when there is earthquake, can warn user in time.
6. intelligent terminal's Pre-Alarm Earthquakes system of the invention is aggregated into data center coherent signal after earthquake, produces ground
Shake data accumulation, uses for latter earthquake research.
Description of the drawings
Fig. 1 is the structured flowchart of intelligent terminal's Pre-Alarm Earthquakes system in concrete real-time mode of the invention；
Fig. 2 is the 3-axis acceleration signal waveforms that three axis accelerometer is measured in concrete real-time mode of the invention；
Fig. 3 is the three axis angular rate signal waveforms that three-axis gyroscope is measured in concrete real-time mode of the invention；
Fig. 4 is the three axial magnetic induction signal waveforms that magnetometer is measured in concrete real-time mode of the invention；
Fig. 5 is transverse acceleration signal of the 3-axis acceleration signal in earth axes in concrete real-time mode of the invention
(earthquake S ripples) and longitudinal acceleration signal (P-wave) oscillogram；
Fast Fourier transform (FFT) is done in the concrete real-time mode of Fig. 6 present invention to obtain to 3-axis acceleration signal
Acceleration signal spectrogram.
Specific embodiment
Below in conjunction with the accompanying drawings embodiments of the invention are described in detail, the present embodiment is with technical solution of the present invention as front
Carry, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following embodiments.
Intelligent terminal's Pre-Alarm Earthquakes system in the present embodiment, in the range of prewarning area, comprising 1 data center and many
Individual intelligent terminal 1.In prealarming process, data center is according to data processing subcenter method for building up, dynamic from intelligent terminal 1
Part intelligent terminal 1 is picked out, intelligent terminal 2 is set to, intelligent terminal 2 is also referred to as data processing subcenter.Intelligence is eventually
The structured flowchart of end Pre-Alarm Earthquakes system is as shown in Figure 1.Intelligent terminal 1 and intelligent terminal 2 adopt smart mobile phone.
The method for building up of data processing subcenter, specially：
1st step：Prewarning area is divided into many sub-regions.
By the method that prewarning area is divided into many sub-regions it is：Base by each mobile network supplier in prewarning area
Coverage of standing is used as sub-regions.
2nd step：The weights of each intelligent terminal 1 in subregion are calculated, specially：
Step 2.1：Setpoint distance threshold value TH=50km；
Step 2.2：From in 1 place subregion of current intelligent terminal, a untreated other intelligent terminal 1 is selected,
The other intelligent terminal 1 is calculated with current intelligent terminal 1 apart from L ', if threshold value TH is less than apart from L ', by current intelligence
The weights of energy terminal 1 add 1；Then the other intelligent terminal 1 is labeled as processed；Repeat the step, until the subregion
Interior current intelligent terminal 1 was calculated with the distance of whole other intelligent terminals 1, you can obtain the weights of current intelligent terminal 1.
Through the operation of the 2nd step, you can obtain the weights of each intelligent terminal 1 in subregion.
3rd step：The intelligent terminal of the intelligent terminal 1 as the subregion of a maximum weight is selected in every sub-regions
2.
Intelligent terminal 1 is consistent in composition structure with intelligent terminal 2, but functionally different.
Intelligent terminal 1 and intelligent terminal 2 include：Three axis accelerometer, three-axis gyroscope, magnetometer, analysis module, fixed
Position module, communication module, data memory module and notification module.Locating module is specially global navigation satellite system GNSS.Intelligence
Can 2 uses of terminal analysis module therein, locating module, communication module and notification module.
Data center includes data transmission module, data processing module and data memory module.
Between the data transmission module of the communication module and data center of intelligent terminal 1 and intelligent terminal 2 by GSM and
WCDMA communication modes carry out networking.
Its annexation is：
Bidirectional data transfers are carried out between the communication module of the communication module of intelligent terminal 1 and intelligent terminal 2；Intelligent terminal
Bidirectional data transfers are carried out between 1 communication module and the data transmission module of data center；The communication module of intelligent terminal 2 with
Bidirectional data transfers are carried out between the data transmission module of data center；
The outfan of the three axis accelerometer of intelligent terminal 1, three-axis gyroscope and magnetometer number respectively with intelligent terminal 1
Connect according to the input of memory module and analysis module；Between the communication module of the analysis module of intelligent terminal 1 and intelligent terminal 1
Bidirectional data transfers；The outfan of the locating module of intelligent terminal 1 is whole with the data memory module of intelligent terminal 1 and intelligence respectively
The input connection of the communication module at end 1；The outfan of the analysis module of intelligent terminal 1 notice mould respectively with intelligent terminal 1
The input connection of block and data memory module.The outfan of the data memory module of intelligent terminal 1 and the communication of intelligent terminal 1
The input connection of module.
The outfan of the locating module of intelligent terminal 2 is connected with the input of the communication module of intelligent terminal 2；Intelligent terminal
Bidirectional data transfers are carried out between the communication module of 2 analysis module and intelligent terminal 2；The analysis module of intelligent terminal 2 defeated
Go out end to be connected with the input of the notification module of intelligent terminal 2.
Bidirectional data transfers are carried out between the data processing module of data center and the data transmission module of data center；Number
According to carrying out bidirectional data transfers between the data transmission module at center and the data memory module of data center.
The major function of intelligent terminal 1 is：
1. using three axles of its built-in three axis accelerometer, three-axis gyroscope and magnetometer Real-time Collection intelligent terminal 1
Acceleration signal, three axis angular rate signals and three axial magnetic induction signals are stored in the data storage of intelligent terminal 1
Module, and it is sent to the analysis module of intelligent terminal 1.
2. the analysis module in intelligent terminal 1 is axial to the 3-axis acceleration of intelligent terminal 1, three axis angular rates and three
Magnetic induction is processed, the spatial attitude of computational intelligence terminal 1, i.e. three directions of intelligent terminal 1 and earth coordinates
Angle and intelligent terminal 1 kinestate；And judge whether intelligent terminal 1 is according to the spatial attitude of intelligent terminal 1
Working condition.
3. the 3-axis acceleration that the three axis accelerometer in the analysis module analysis intelligent terminal 1 in intelligent terminal 1 is gathered
Signal, when 3-axis acceleration signal is judged for abnormal signal, extracts acceleration signal special from the 3-axis acceleration signal
Levy, the communication module of communication module and intelligent terminal 2 the acceleration signal feature by intelligent terminal 1 is sent to intelligence
The analysis module of energy mobile terminal 2；Simultaneously by communication module and the data transmission module of data center of intelligent terminal 1,
The acceleration signal feature is sent to the data processing module of data center.
The acceleration signal feature includes：Longitudinal acceleration signal time of advent, longitudinal acceleration signal reach after 3 seconds
Interior signal, longitudinal acceleration signal reach after signal spectrum figure in 3 seconds, longitudinal acceleration signal peak value, transverse acceleration
Signal in 3 seconds after signal, transverse acceleration signal arrival in 3 seconds after time of arrival (toa), transverse acceleration signal arrival
Spectrogram, transverse acceleration signal peak value and τcValue.The longitudinal acceleration signal is P-wave signal；Described laterally accelerate
Degree signal is seismic Swave signals.The τcValue is calculated by formula (1), wherein, τo=3s.
4. the positional information for obtaining intelligent terminal 1 using the locating module in intelligent terminal 1 is sent to the number of intelligent terminal 1
According to memory module；By the communication module of intelligent terminal 1 and the communication module of intelligent terminal 2 the positional information of intelligent terminal 1
It is sent to the analysis module of intelligent mobile terminal 2；Meanwhile, passed by the communication module of intelligent terminal 1 and the data of data center
Defeated module, the data processing module that the positional information of intelligent terminal 1 is sent to data center.
5. the communication module of intelligent terminal 1 enters row data communication with the communication module of intelligent terminal 2.
6. the communication module of intelligent terminal 1 enters row data communication with the data transmission module of data center.
7. the analysis module of intelligent terminal 1 is for the data processing module or the analysis mould of intelligent terminal 2 from data center
Earthquake epicenter position, earthquake magnitude, epicentral intensity and the Occurence Time of Earthquakes information that block is received is processed, and is obtained earthquake arrival and is worked as
The time on ground and local earthquake intensity, and earthquake epicenter position, earthquake magnitude, epicentral intensity, Occurence Time of Earthquakes information, earthquake arrival are worked as
The time on ground and local earthquake intensity are sent to notification module and data memory module；The analysis module of intelligent terminal 1 is by analytically
Shake time of origin information, earthquake epicenter position, 1 present position of intelligent terminal and seismic Swave signals spread speed, obtain intelligence
A shake time of 1 present position of terminal.
8. the notification module of intelligent terminal 1 shows early warning information to user.
9. after early warning information to be presented terminates, the data memory module of intelligent terminal 1 the 3-axis acceleration signal of storage,
The positional information of three axis angular rate signals, three axial magnetic induction signals and intelligent terminal 1 is by the logical of intelligent terminal 1
Letter module and the data transmission module of data center, are sent to the data memory module of data center.
The major function of the intelligent terminal 2 is：
1. the locating module by intelligent terminal 2 obtains the positional information of intelligent terminal 2, and by the logical of intelligent terminal 2
The communication module of letter module and intelligent terminal 1 is sent to the analysis module of intelligent terminal 1.
2. the communication module of intelligent terminal 2 enters row data communication with the communication module of intelligent terminal 1.
3. the communication module of intelligent terminal 2 enters row data communication with the data transmission module of data center.
4. the 3-axis acceleration of the intelligent terminal 1 that the analysis module of intelligent terminal 2 is transmitted to the communication module of intelligent terminal 2
Signal characteristic is analyzed, and obtains earthquake epicenter position, earthquake magnitude, epicentral intensity and Occurence Time of Earthquakes, by intelligent terminal's 2
The communication module of communication module and intelligent terminal 1 is sent to the analysis module of intelligent terminal 1.
5. the analysis module of intelligent terminal 2 is for the Earthquake middle position received from the data processing module of data center
Put, earthquake magnitude, epicentral intensity and Occurence Time of Earthquakes information are processed, obtain earthquake and reach local time and local earthquake intensity,
And earthquake epicenter position, earthquake magnitude, epicentral intensity, Occurence Time of Earthquakes information, earthquake are reached local time and local earthquake intensity
It is sent to the notification module of intelligent terminal 2.The analysis module of intelligent terminal 2 is by analyzing Occurence Time of Earthquakes information, Earthquake
Middle position, 2 present position of intelligent terminal and seismic Swave signals spread speed, obtain when playing shake of 2 present position of intelligent terminal
Between.
6. the notification module of intelligent terminal 2 shows early warning information to user.
The major function of the data center is：
1. the data transmission module of data center communication module and the communication mould of intelligent terminal 2 respectively with intelligent terminal 1
Block enters row data communication.
2. the data processing module of data center to the acceleration signal feature that receives from intelligent terminal 1 and intelligence eventually
The positional information at end 1 is processed, and is obtained earthquake epicenter position, earthquake magnitude, epicentral intensity and Occurence Time of Earthquakes, and is passed through data
The communication module of transport module, the communication module of intelligent terminal 1 and intelligent terminal 2 is sent respectively at the data of intelligent terminal 1
Reason module and the data processing module of intelligent terminal 2.
3. the data memory module of data center measures the intelligent terminal 1 for receiving 3-axis acceleration signal, three axles
The positional information storage of angular velocity signal, three axial magnetic induction signals and intelligent terminal 1 is standby.
4. the analysis module of data center is selected from dynamic in intelligent terminal 1 according to data processing subcenter method for building up
Go out part intelligent terminal 1, be set to intelligent terminal 2, intelligent terminal 2 is data processing subcenter.
The idiographic flow that earthquake pre-warning is carried out using intelligent terminal's Pre-Alarm Earthquakes system is：
Step A：Intelligent terminal 1 passes through the positional information of intelligent terminal 1 communication module and the data center of intelligent terminal 1
Data transmission module, issue the data processing module of data center.
Step B：Data center picks out part according to data processing subcenter method for building up from dynamic in intelligent terminal 1
Intelligent terminal 1, is set to intelligent terminal 2, and intelligent terminal 2 is also referred to as data processing subcenter.And if only if intelligent terminal 2
When leaving place subregion, data center selects a new intelligent terminal 2 again from the subregion, and by former intelligent terminal 2
Then it is changed into intelligent terminal 1.
Step C：Three axles (ax, the ay, az) acceleration of the intelligent terminal 1 that the three axis accelerometer in intelligent terminal 1 is measured
As shown in Fig. 2 its abscissa express time, unit is minute (min) to signal, and vertical coordinate represents acceleration, and unit is meter per second2
(m/s2).Three-axis gyroscope measures three axles (gx, the gy, yz) angular velocity signal of intelligent terminal 1 as shown in figure 3, its abscissa table
Show the time, unit is minute (min), vertical coordinate represents angular velocity, and unit is radian per second (rad/s)；Three axles that magnetometer is measured
As shown in figure 4, abscissa express time, unit is minute (min), vertical coordinate table for the magnetic induction signal in (x, y, z) direction
Show magnetic induction, unit Shi Wei tesla (micro-Tesla).Then these signals are sent to the analysis of intelligent terminal 1
Module.
Step D：The analysis module of intelligent terminal 1 is to the 3-axis acceleration of intelligent terminal 1, three axis angular rates and three direction of principal axis
Magnetic induction processed, obtain intelligent terminal 1 angle in three directions of earth coordinates is respectively 0 °, 90 ° and
90°；Spatial attitude according to intelligent terminal 1 judges whether intelligent terminal is in running order.
As the maximum amplitude of the three axis angular rate signals of intelligent terminal 1 is respectively 0.01,0.005 and 0.005, respectively less than
Threshold value σ3, σ3=0.3；And the maximum amplitude after the three axial magnetic induction signal differentials of intelligent terminal 1 respectively 1,
0.8 and 0.6, respectively less than threshold value σ4, σ4=5, it is taken as that intelligent terminal 1 is in running order.
Intelligent terminal 1 is in running order, carries out the operation of step E.
Step E：The acceleration letter of the three axis accelerometer collection in the analysis module analysis intelligent terminal 1 of intelligent terminal 1
Number, specially：
Step 1：According to spatial attitude and the 3-axis acceleration signal of intelligent terminal 1, calculated by STA/LTA algorithms
Go out transverse acceleration signal (earthquake S ripple) and longitudinal acceleration signal (earthquake P of the 3-axis acceleration signal in earth axes
Ripple), as shown in figure 5, its abscissa express time, unit is minute (min), and vertical coordinate represents acceleration, and unit is meter per second2
(m/s2).
Step 2：As the Induction Peried (15 points and 24 seconds) of transverse acceleration signal is later than the starting of oscillation of longitudinal acceleration signal
Time (9 points and 25 seconds), carry out the operation of step 3.
Step 3：Maximum amplitude (1.5m/s due to transverse acceleration signal2) it is more than threshold value σ1=0.6, carry out step 4
Operation.
Step 4：Amplitude (the 0.6m/s of longitudinal acceleration signal2) it is more than threshold value σ2=0.5, carry out the operation of step 5.
Step 5：As 3-axis acceleration signal as shown in Figure 2 has symmetry in signal average, the behaviour of step 6 is carried out
Make；
Step 6：Fast Fourier transform (FFT) is done to 3-axis acceleration signal obtains acceleration signal spectrogram, such as Fig. 6
Shown, abscissa represents frequency, and unit is hertz (hz), and vertical coordinate represents amplitude, and unit is meter per second2(m/s2).Due to signal
Frequency be less than 10Hz, it is taken as that 3-axis acceleration signal be abnormal signal.
As now 3-axis acceleration signal is abnormal signal, communication of the acceleration signal feature by intelligent terminal 1
The data transmission module of module, the communication module of intelligent terminal 2 and data center, be sent to intelligent terminal 2 analysis module and
The data processing module of data center.
Step F：The positional information that intelligent terminal 1 is obtained using the locating module in intelligent terminal 1, and passed through intelligence
The data transmission module of the communication module of terminal 1, the communication module of intelligent terminal 2 and data center, is sent to intelligent terminal's 2
Analysis module and the data processing module of data center.
Step G：The analysis module of intelligent terminal 2 is processed to the acceleration signal feature of the intelligent terminal 1 for receiving, and is obtained
Arrive earthquake epicenter, earthquake magnitude, epicentral intensity and Occurence Time of Earthquakes, and the communication module by intelligent terminal 2 and intelligent terminal 1
Communication module, issues the analysis module of all intelligent terminal 1 in subregion.
Step I：The data processing module of data center is to the acceleration signal feature that receives from intelligent terminal 1 and intelligence
The positional information of energy terminal 1 is processed, and is obtained earthquake epicenter position, earthquake magnitude, epicentral intensity and Occurence Time of Earthquakes, and is passed through
The communication module of data transmission module, the communication module of intelligent terminal 1 and intelligent terminal 2 is sent respectively to the number of intelligent terminal 1
According to processing module and the data processing module of intelligent terminal 2.
Step J：The analysis module of the analysis module of intelligent terminal 1 and intelligent terminal 2 is respectively directed to the number from data center
Earthquake epicenter, earthquake magnitude, epicentral intensity and the Occurence Time of Earthquakes information received according to processing module is processed, and is obtained earthquake and is reached
To local time and local earthquake intensity；And form early warning information and be sent to respective notification module.The early warning information includes：Ground
Shake epicentral location, earthquake magnitude, epicentral intensity, Occurence Time of Earthquakes, shake reach the time of locality and local earthquake intensity.
Step K：The notification module of the notification module of intelligent terminal 1 and intelligent terminal 2 shows early warning information to user respectively.
Step L：Intelligent terminal 1 notification module displaying after, 3-axis acceleration signal and the positional information of intelligent terminal
By the communication module by intelligent terminal 1 and the data transmission module of data center, the data storage of data center is sent to
Module.
Step M：The data memory module of data center is the 3-axis acceleration signal of intelligent terminal 1 and intelligent terminal 1
Positional information storage is standby.
Claims (9)
1. a kind of intelligent terminal's Pre-Alarm Earthquakes system, it is characterised in that：In the range of prewarning area, comprising 1 data center and
Multiple intelligent terminal 1；In prealarming process, data center is moved from intelligent terminal 1 according to data processing subcenter method for building up
State picks out part intelligent terminal 1, is set to intelligent terminal 2, and intelligent terminal 2 is also referred to as data processing subcenter；
The method for building up of the data processing subcenter, specially：
1st step：Prewarning area is divided into many sub-regions；
2nd step：Calculate the weights of each intelligent terminal 1 in subregion；
3rd step：The intelligent terminal 2 of the intelligent terminal 1 as the subregion of a maximum weight is selected in every sub-regions；
Intelligent terminal 1 is consistent in composition structure with intelligent terminal 2, but functionally different；
The intelligent terminal 1 and intelligent terminal 2 include：Three axis accelerometer, three-axis gyroscope, magnetometer, analysis module, fixed
Position module, communication module, data memory module and notification module；The locating module is specially GLONASS；
2 uses of intelligent terminal analysis module therein, locating module, communication module and notification module；
The data center includes data transmission module, data processing module and data memory module；
Its annexation is：
Bidirectional data transfers are carried out between the communication module of the communication module of intelligent terminal 1 and intelligent terminal 2；Intelligent terminal's 1
Bidirectional data transfers are carried out between communication module and the data transmission module of data center；The communication module of intelligent terminal 2 and number
According to carrying out bidirectional data transfers between the data transmission module at center；
The outfan of the three axis accelerometer of intelligent terminal 1, three-axis gyroscope and magnetometer is deposited with the data of intelligent terminal 1 respectively
The input connection of storage module and analysis module；Two-way between the communication module of the analysis module of intelligent terminal 1 and intelligent terminal 1
Data transfer；The outfan of the locating module of intelligent terminal 1 data memory module and intelligent terminal 1 respectively with intelligent terminal 1
Communication module input connection；The outfan of the analysis module of intelligent terminal 1 respectively with the notification module of intelligent terminal 1 and
The input connection of data memory module；The outfan of the data memory module of intelligent terminal 1 and the communication module of intelligent terminal 1
Input connection；
The outfan of the locating module of intelligent terminal 2 is connected with the input of the communication module of intelligent terminal 2；Intelligent terminal's 2
Bidirectional data transfers are carried out between the communication module of analysis module and intelligent terminal 2；The outfan of the analysis module of intelligent terminal 2
It is connected with the input of the notification module of intelligent terminal 2；
Bidirectional data transfers are carried out between the data processing module of data center and the data transmission module of data center；In data
Bidirectional data transfers are carried out between the data transmission module of the heart and the data memory module of data center；
The major function of the intelligent terminal 1 is：
1. accelerated using three axles of its built-in three axis accelerometer, three-axis gyroscope and magnetometer Real-time Collection intelligent terminal 1
Degree signal, three axis angular rate signals and three axial magnetic induction signals are stored in the data memory module of intelligent terminal 1,
And it is sent to the analysis module of intelligent terminal 1；
2. the analysis module in intelligent terminal 1 is to the 3-axis acceleration of intelligent terminal 1, three axis angular rates and three axial magnetic strengths
Intensity is answered to be processed, the spatial attitude of computational intelligence terminal 1, the i.e. folder in three directions of intelligent terminal 1 and earth coordinates
Angle and the kinestate of intelligent terminal 1；And judge intelligent terminal 1 whether in work according to the spatial attitude of intelligent terminal 1
State；
3. the 3-axis acceleration signal that the three axis accelerometer in the analysis module analysis intelligent terminal 1 in intelligent terminal 1 is gathered,
When 3-axis acceleration signal being judged for abnormal signal, extract acceleration signal feature from the 3-axis acceleration signal,
The communication module of communication module and intelligent terminal 2 of the acceleration signal feature by intelligent terminal 1, is sent to intelligent mobile
The analysis module of terminal 2；Simultaneously by communication module and the data transmission module of data center of intelligent terminal 1, add described
Rate signal feature is sent to the data processing module of data center；
4. the positional information for obtaining intelligent terminal 1 using the locating module in intelligent terminal 1 is sent to the data of intelligent terminal 1 and deposits
Storage module；The positional information of intelligent terminal 1 is sent by the communication module of intelligent terminal 1 and the communication module of intelligent terminal 2
Analysis module to intelligent mobile terminal 2；Meanwhile, by communication module and the data transfer mould of data center of intelligent terminal 1
Block, the data processing module that the positional information of intelligent terminal 1 is sent to data center；
5. the communication module of intelligent terminal 1 enters row data communication with the communication module of intelligent terminal 2；
6. the communication module of intelligent terminal 1 enters row data communication with the data transmission module of data center；
7. the analysis module of intelligent terminal 1 is directed to and connects from the data processing module of data center or the analysis module of intelligent terminal 2
Earthquake epicenter position, earthquake magnitude, epicentral intensity and the Occurence Time of Earthquakes information for receiving is processed, and is obtained earthquake and is reached locality
Time and local earthquake intensity, and earthquake epicenter position, earthquake magnitude, epicentral intensity, Occurence Time of Earthquakes information, earthquake are reached local
Time and local earthquake intensity are sent to notification module and data memory module；The analysis module of intelligent terminal 1 is sent out by analyzing earthquake
Raw temporal information, earthquake epicenter position, 1 present position of intelligent terminal and seismic Swave signals spread speed, obtain intelligent terminal
A shake time of 1 present position, i.e. earthquake reach the local time；
8. the notification module of intelligent terminal 1 shows early warning information to user；
9., after early warning information to be presented terminates, the data memory module of intelligent terminal 1 is the 3-axis acceleration signal, three axles for storing
Communication mould of the positional information of angular velocity signal, three axial magnetic induction signals and intelligent terminal 1 by intelligent terminal 1
Block and the data transmission module of data center, are sent to the data memory module of data center；
The major function of the intelligent terminal 2 is：
1. the locating module by intelligent terminal 2 obtains the positional information of intelligent terminal 2, and by the communication mould of intelligent terminal 2
The communication module of block and intelligent terminal 1 is sent to the analysis module of intelligent terminal 1；
2. the communication module of intelligent terminal 2 enters row data communication with the communication module of intelligent terminal 1；
3. the communication module of intelligent terminal 2 enters row data communication with the data transmission module of data center；
4. the 3-axis acceleration signal of the intelligent terminal 1 that the analysis module of intelligent terminal 2 is transmitted to the communication module of intelligent terminal 2
Feature is analyzed, and obtains earthquake epicenter position, earthquake magnitude, epicentral intensity and Occurence Time of Earthquakes, by the communication of intelligent terminal 2
The communication module of module and intelligent terminal 1 is sent to the analysis module of intelligent terminal 1；
5. the analysis module of intelligent terminal 2 is for the earthquake epicenter position, shake received from the data processing module of data center
Level, epicentral intensity and Occurence Time of Earthquakes information are processed, and are obtained earthquake and are reached local time and local earthquake intensity, and ground
Shake epicentral location, earthquake magnitude, epicentral intensity, Occurence Time of Earthquakes information, earthquake arrival local time and local earthquake intensity are sent to
The notification module of intelligent terminal 2；The analysis module of intelligent terminal 2 by analyze Occurence Time of Earthquakes information, earthquake epicenter position,
2 present position of intelligent terminal and seismic Swave signals spread speed, obtain 2 present position of intelligent terminal play the shake time；
6. the notification module of intelligent terminal 2 shows early warning information to user；
The major function of the data center is：
1. the data transmission module of data center is entered with the communication module of intelligent terminal 1 and the communication module of intelligent terminal 2 respectively
Row data communication；
2. the data processing module of data center is to the acceleration signal feature that receives from intelligent terminal 1 and intelligent terminal 1
Positional information processed, obtain earthquake epicenter position, earthquake magnitude, epicentral intensity and Occurence Time of Earthquakes, and passed by data
The communication module of defeated module, the communication module of intelligent terminal 1 and intelligent terminal 2 is sent respectively to the data processing of intelligent terminal 1
Module and the data processing module of intelligent terminal 2；
3. the data memory module of data center measures the intelligent terminal 1 for receiving 3-axis acceleration signal, three shaft angles speed
The positional information storage of degree signal, three axial magnetic induction signals and intelligent terminal 1 is standby；
4. the analysis module of data center picks out portion according to data processing subcenter method for building up from dynamic in intelligent terminal 1
Divide intelligent terminal 1, be set to intelligent terminal 2, intelligent terminal 2 is data processing subcenter.
2. a kind of intelligent terminal's Pre-Alarm Earthquakes system as claimed in claim 1, it is characterised in that：Data processing subcenter is built
Described in 1st step of cube method by the method that prewarning area is divided into many sub-regions it is：Averagely divide according to longitude and latitude.
3. a kind of intelligent terminal's Pre-Alarm Earthquakes system as claimed in claim 1, it is characterised in that：Data processing subcenter is built
The method that prewarning area is divided into many sub-regions can also be described in 1st step of cube method：By in prewarning area each
The base station range of mobile network supplier is used as sub-regions.
4. a kind of intelligent terminal's Pre-Alarm Earthquakes system as described in one of claims 1 to 3, it is characterised in that：Data processing
In calculating subregion described in 2nd step of the method for building up at center, the method for the weights of each intelligent terminal 1 is：
Step 2.1：Setpoint distance threshold value TH, TH ∈ [5,300] km；
Step 2.2：From in 1 place subregion of current intelligent terminal, a untreated other intelligent terminal 1 is selected, calculated
The other intelligent terminal 1 with current intelligent terminal 1 apart from L ', if being less than threshold value TH apart from L ', will currently intelligence be eventually
The weights at end 1 add 1；Then the other intelligent terminal 1 is labeled as processed；Repeat the step, until working as in the subregion
Front intelligent terminal 1 was calculated with the distance of whole other intelligent terminals 1, you can obtain the weights of current intelligent terminal 1.
5. a kind of intelligent terminal's Pre-Alarm Earthquakes system as described in one of claims 1 to 3, it is characterised in that：Data processing
The method for calculating the weights of each intelligent terminal 1 in subregion described in 2nd step of the method for building up at center can also be：
Step 2.a：Calculate the center of gravity of 1 place subregion of current intelligent terminal；
Step 2.b：Distance of each intelligent terminal 1 to center of gravity in the subregion is calculated, then the weights of current intelligent terminal 1 can lead to
Cross formula (2) to be calculated；
Wherein, wiRepresent the weights of i-th intelligent terminal 1 of the subregion；1≤i≤N；N is intelligent terminal 1 in the subregion
Quantity；LiFor the subregion i-th intelligent terminal to center of gravity distance.
6. a kind of intelligent terminal's Pre-Alarm Earthquakes system as described in one of claims 1 to 3, it is characterised in that：The acceleration
Signal characteristic includes：After longitudinal acceleration signal time of advent, longitudinal acceleration signal are reached, signal in 3 seconds, longitudinal direction accelerate
Degree signal reach after signal spectrum figure in 3 seconds, longitudinal acceleration signal peak value, transverse acceleration signal time of advent, laterally
Signal spectrum figure, transverse acceleration in 3 seconds after signal, transverse acceleration signal arrival in 3 seconds after acceleration signal arrival
Signal peak and τcValue；The longitudinal acceleration signal is P-wave signal；The transverse acceleration signal is believed for earthquake S ripples
Number；The τcValue is calculated by formula (1)；
Wherein,τo∈[2,4]s；U (t) is the acceleration signal changed with time t；It is the difference to u (t)
Point.
7. a kind of intelligent terminal's Pre-Alarm Earthquakes system as described in one of claims 1 to 3, it is characterised in that：The judgement adds
Rate signal is that the method for abnormal signal is：
Step 1：According to spatial attitude and the 3-axis acceleration signal of intelligent terminal 1,3-axis acceleration signal is calculated on ground
The transverse acceleration signal and longitudinal acceleration signal of coordinate system；
Step 2：If the Induction Peried of transverse acceleration signal is prior to the Induction Peried of longitudinal acceleration signal, then it is assumed that accelerate
Degree signal is non-abnormal signal, terminates to judge；Otherwise, the operation of step 3 is carried out；
Step 3：If the difference of transverse acceleration signal amplitude is not more than threshold value σ set in advance1, 0.2m/s2＜ σ1＜ 4m/
s2, then it is assumed that acceleration signal is non-abnormal signal, terminates to judge；Otherwise, the operation of step 4 is carried out；
Step 4：If the difference of longitudinal acceleration signal amplitude is not more than threshold value σ set in advance2, 0.2m/s2＜ σ2＜ 4m/
s2, then it is assumed that acceleration signal is non-abnormal signal, terminates to judge；Otherwise, the operation of step 5 is carried out；
Step 5：If 3-axis acceleration signal has symmetry in signal average, the operation of step 6 is carried out；Otherwise it is assumed that
3-axis acceleration signal is non-abnormal signal, terminates to judge；
Step 6：Fast Fourier transform is done to 3-axis acceleration signal and obtains acceleration signal spectrogram, if signal is main
Frequency is less than 10Hz, then it is assumed that 3-axis acceleration signal is abnormal signal；Otherwise it is assumed that acceleration signal is non-abnormal signal.
8. a kind of intelligent terminal's Pre-Alarm Earthquakes system as described in one of claims 1 to 3, it is characterised in that：The judgement intelligence
Can 1 whether in running order concrete grammar of terminal be：If the amplitude of the three axis angular rate signals of intelligent terminal 1 is respectively less than
A certain threshold value σ set in advance3, 0.01 ＜ σ3＜ 1, and the three axial magnetic induction signal amplitudes of intelligent terminal 1
Difference is respectively less than a certain threshold value σ set in advance4, 0.1≤σ4≤ 10, then it is assumed that intelligent terminal 1 is in running order.
9. a kind of intelligent terminal's Pre-Alarm Earthquakes system as described in one of claims 1 to 3, it is characterised in that：Using the intelligence
Energy terminal Pre-Alarm Earthquakes system carries out the idiographic flow of earthquake pre-warning：
Step A：Intelligent terminal 1 passes through the communication module of intelligent terminal 1 and the number of data center the positional information of intelligent terminal 1
According to transport module, the data processing module of data center is issued；
Step B：Data center picks out part intelligence according to data processing subcenter method for building up from dynamic in intelligent terminal 1
Terminal 1, is set to intelligent terminal 2, and intelligent terminal 2 is also referred to as data processing subcenter；
Step C：Three axles for measuring intelligent terminal 1 are added by the three axis accelerometer, three-axis gyroscope and magnetometer in intelligent terminal 1
Rate signal, three axis angular rate signals and three axial magnetic induction signals, and it is sent to the analysis mould of intelligent terminal 1
Block；
Step D：Analysis module in intelligent terminal 1 is axial to the 3-axis acceleration of intelligent terminal 1, three axis angular rates and three
Magnetic induction is processed, the spatial attitude of computational intelligence terminal 1, i.e. three directions of the intelligent terminal 1 to earth coordinates
Angle；And judge whether intelligent terminal is in running order according to the spatial attitude of intelligent terminal 1；If at intelligent terminal 1
In working condition, then carry out the operation of step E；Otherwise, step C is returned to；
Step E：The acceleration signal of the three axis accelerometer collection in analysis module analysis intelligent terminal 1 in intelligent terminal 1,
When 3-axis acceleration signal is abnormal signal, acceleration signal feature by the communication module of intelligent terminal 1, intelligent terminal
2 communication module and the data transmission module of data center, are sent to the analysis module of intelligent terminal 2 and the data of data center
Processing module；Otherwise, step C is returned to；
Step F：The positional information that intelligent terminal 1 is obtained using the locating module in intelligent terminal 1, and passed through intelligent terminal
The data transmission module of 1 communication module, the communication module of intelligent terminal 2 and data center, is sent to the analysis of intelligent terminal 2
Module and the data processing module of data center；
Step G：The analysis module of intelligent terminal 2 is processed to the acceleration signal feature of the intelligent terminal 1 for receiving, and obtains ground
Shake earthquake centre, earthquake magnitude, epicentral intensity and Occurence Time of Earthquakes, and the communication of the communication module by intelligent terminal 2 and intelligent terminal 1
Module, issues the analysis module of all intelligent terminal 1 in subregion；
Step I：The data processing module of data center to the acceleration signal feature that receives from intelligent terminal 1 and intelligence eventually
The positional information at end 1 is processed, and is obtained earthquake epicenter position, earthquake magnitude, epicentral intensity and Occurence Time of Earthquakes, and is passed through data
The communication module of transport module, the communication module of intelligent terminal 1 and intelligent terminal 2 is sent respectively at the data of intelligent terminal 1
Reason module and the data processing module of intelligent terminal 2；
Step J：The analysis module of the analysis module of intelligent terminal 1 and intelligent terminal 2 is respectively directed to from the data of data center
Reason the module earthquake epicenter, earthquake magnitude, epicentral intensity and the Occurence Time of Earthquakes information that receive are processed, and obtain earthquake and reach working as
The time on ground and local earthquake intensity；And form early warning information and be sent to respective notification module；The early warning information includes：Earthquake
Middle position, earthquake magnitude, epicentral intensity, Occurence Time of Earthquakes, shake reach the time of locality and local earthquake intensity；
Step K：The notification module of the notification module of intelligent terminal 1 and intelligent terminal 2 shows early warning information to user respectively；
Step L：Intelligent terminal 1 after notification module displaying passes through the positional information of 3-axis acceleration signal and intelligent terminal
By communication module and the data transmission module of data center of intelligent terminal 1, the data memory module of data center is sent to；
Step M：The position of 3-axis acceleration signal and intelligent terminal 1 of the data memory module of data center intelligent terminal 1
Information Store is standby.
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| CN108037529B (en) * | 2017-12-02 | 2019-10-11 | 桂林理工大学 | A kind of seismic events method for quickly identifying based on initial vibration signal |
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| CN110687587A (en) * | 2019-09-17 | 2020-01-14 | 南京信大气象科学技术研究院有限公司 | Medium-and-long-term earthquake early warning system based on multi-source remote sensing data and monitoring station data |
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