CN117572469A - Method for tracking target track based on CORS signal base station - Google Patents
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Abstract
The invention provides a method for tracking and analyzing a target track based on a CORS signal base station, which comprises the following steps: setting a time interval, and acquiring current position data of a target object from a CORS center by taking the time interval as a period; creating a geographic database, traversing the current position data, eliminating the current position data with the precision error larger than a preset error threshold value to obtain the accurate position data, and storing the accurate position data into the geographic database; acquiring accurate position data of the target object in continuous time from a geographic database by taking the time interval as a period, wherein the accurate position data are used as continuous position data; acquiring three-dimensional space position data of a target object and buffered three-dimensional space position data of a peripheral area of the target object according to the continuous position data; and judging the safety degree of the peripheral area of the target object according to the three-dimensional space position data and the buffer three-dimensional space position data, and carrying out safety reminding or early warning according to the safety degree.
Description
Technical Field
The invention relates to the technical field of geographic information, in particular to a method for tracking a target track based on a CORS signal base station.
Background
CORS (continuous operation reference station) is a high precision positioning and accurate measurement technique based on GPS technology. By deploying a set of fixed receivers worldwide, errors in satellite signals are measured and corrected to provide high accuracy GPS positioning, provide a continuous GPS data stream to support real-time measurements and monitoring, and also support multiple satellite systems. In recent years, a technology for tracking a target track based on a CORS signal base station is widely applied, and market user demands are increasing. However, the prior art has some problems, such as large positioning error, low tracking precision, single functionality and lack of multi-component information prompt function, and is difficult to meet the increasingly pre-increased diversified function requirements of market users in the current social form.
Chinese patent CN109862517B, "navigation enhancement system and method for converged mobile communication and broadcast", discloses a navigation enhancement method for converged mobile communication and broadcast. However, when facing complex environments of different terrains, the method cannot meet the functions of real-time tracking of position data, real-time searching of object positions and surrounding geographic data analysis.
Disclosure of Invention
In view of the above, the invention provides a method for tracking and analyzing a target track based on a CORS signal base station, which adopts the CORS technology to perform high-precision positioning, searches the position data of a target object and the peripheral area thereof in real time, and analyzes the potential danger of the peripheral area of the target object, thereby carrying out safety reminding on a user, and solving the problem that the prior art cannot track the target object in real time, thereby carrying out danger judgment on the peripheral area of the target object.
The technical scheme of the invention is realized as follows: the invention provides a method for tracking and analyzing a target track based on a CORS signal base station, which comprises the following steps:
s1, setting a time interval, and acquiring current position data of a target object from a CORS center by taking the time interval as a period;
s2, creating a geographic database, traversing the current position data, eliminating the current position data with the precision error larger than a preset error threshold value to obtain accurate position data, and storing the accurate position data into the geographic database;
s3, acquiring accurate position data of the target object in continuous time from a geographic database by taking the time interval as a period, wherein the accurate position data are used as continuous position data;
s4, acquiring three-dimensional space position data of the target object and buffered three-dimensional space position data of a peripheral area of the target object according to the continuous position data;
and S5, judging the safety degree of the peripheral area of the target object according to the three-dimensional space position data and the buffered three-dimensional space position data, and carrying out safety reminding or early warning according to the safety degree.
Preferably, step S4 comprises the steps of:
s41, positioning a target object according to the continuous position data, and acquiring two-dimensional position data and elevation values of the target object;
s42, carrying out buffer area analysis on the peripheral area of the target object to obtain buffer two-dimensional position data and buffer elevation values of the peripheral area of the target object;
s43, acquiring three-dimensional space position data of the target object according to the two-dimensional position data and the elevation value of the target object, and acquiring buffer three-dimensional space position data of the peripheral area of the target object according to the buffer two-dimensional position data and the buffer elevation value of the peripheral area of the target object.
Preferably, step S41 includes:
and positioning the target object according to the continuous position data, acquiring two-dimensional position data of the target object, and acquiring an elevation value of the target object by superposing the national DEM elevation image, wherein the two-dimensional position data comprises longitude and latitude.
Preferably, step S42 includes:
dividing a target object peripheral area by taking a longitude and latitude point of the target object as an origin and taking N meters as a radius, performing buffer area analysis on the target object peripheral area, and acquiring buffer two-dimensional position data and buffer elevation values of all points in the target object peripheral area, wherein the buffer two-dimensional position data comprises longitudes and latitudes.
Preferably, step S43 includes:
and combining the two-dimensional position data and the elevation value uniformly to obtain three-dimensional space position data, and combining the buffered two-dimensional position data and the buffered elevation value uniformly to obtain buffered three-dimensional space position data.
Preferably, step S5 comprises the steps of:
s51, judging the safety degree of the peripheral area of the target object when the target object is in the city range or the field range according to the three-dimensional space position data of the target object and the buffer three-dimensional space position data of the peripheral area of the target object;
s52, carrying out safety reminding or early warning on the target object according to the safety degree of the peripheral area of the target object, and controlling the number of workers in the peripheral area of the target object according to the safety degree of the peripheral area of the target object in the field range.
Preferably, step S51 includes:
by buffering three-dimensional space position data (X, Y, Z) Buffering mechanism ，Y Buffering mechanism ，Z Buffering mechanism ) Judging the safety degree of the peripheral area of the target object;
when the target object is in the city range:
wherein X is the longitude value of the position of the target object, V is the latitude value of the position of the target object, Z is the elevation value of the position of the target object, X Buffering mechanism Is the longitude value of the position in the peripheral area of the target object, Y Buffering mechanism Z is the latitude value of the position point in the peripheral area of the target object Buffering mechanism For the elevation value of the locus in the peripheral area of the target object, N is the radius of the peripheral area of the target object, Q City (City) Is the safety degree of the peripheral area of the target object in the city range;
when the target object is in the field range:
wherein Q is Wild field To the safety degree of the peripheral area of the target object in the field range。
Preferably, step S52 includes:
the target object is in city range:
when the safety degree of the peripheral area of the target object is in the urban safety range, safety reminding and early warning are not carried out;
when the safety degree of the peripheral area of the target object is in the urban primary early warning range, carrying out primary safety reminding on the target object;
when the safety degree of the surrounding area of the target object is the urban warning and early warning range, carrying out continuous safety reminding on the target object, and notifying emergency contacts of the target object when the stay time of the target object in the urban warning and early warning range reaches 5 minutes;
the target object is in the field:
when the safety degree of the peripheral area of the target object is the field work safety range, the number of workers in the field work safety range is not less than 1;
when the safety degree of the peripheral area of the target object is in the field hilly area range, the number of workers in the field hilly area range is not less than 2;
when the safety degree of the peripheral area of the target object is in a field mountain area range, the number of workers in the field mountain area range is not less than 3;
when the safety degree of the peripheral area of the target object is in a field primary dangerous range, carrying out primary safety reminding on the target object;
and when the safety degree of the surrounding area of the target object is in the field early warning range, carrying out continuous safety reminding on the target object, and notifying emergency contacts of the target object when the stay time of the target object in the field early warning range reaches 5 minutes.
Preferably, the time interval is 1 second, and the preset error threshold is 100 millimeters.
Preferably, step S3 includes:
the continuous position data is judged continuously by the Date data field of the accurate position data.
Compared with the prior art, the method for tracking and analyzing the target track based on the CORS signal base station has the following beneficial effects:
(1) The method comprises the steps of performing high-precision positioning by adopting a CORS technology, searching position data of a target object and a peripheral area thereof in real time, and analyzing potential dangers of the peripheral area of the target object, so that safety reminding is performed for a user;
(2) The longitude and latitude data and the elevation data in the target object and the peripheral buffer area of the target object are converted into three-dimensional space data, and the three-dimensional space position data of the target object and the peripheral buffer area are written into a database, so that detailed data recording and analysis of the peripheral area of the target object are realized;
(3) And evaluating and preventing potential safety risks, and reminding a user to take appropriate action measures so as to ensure the safety of individuals and teams.
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In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for tracking and analyzing a target track based on a CORS signal base station according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will clearly and fully describe the technical aspects of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
There is provided a method for tracking and analyzing a target track based on a CORS signal base station, as shown in FIG. 1, comprising the steps of:
s1, setting a time interval, and acquiring current position data of a target object from a CORS center by taking the time interval as a period;
s2, creating a geographic database, traversing the current position data, eliminating the current position data with the precision error larger than a preset error threshold value to obtain accurate position data, and storing the accurate position data into the geographic database;
s3, acquiring accurate position data of the target object in continuous time from a geographic database by taking the time interval as a period, wherein the accurate position data are used as continuous position data;
s4, acquiring three-dimensional space position data of the target object and buffered three-dimensional space position data of a peripheral area of the target object according to the continuous position data;
and S5, judging the safety degree of the peripheral area of the target object according to the three-dimensional space position data and the buffered three-dimensional space position data, and carrying out safety reminding or early warning according to the safety degree.
It should be noted that: the invention mainly extends around three aspects:
the precision of the position data is improved, the information service is diversified, and the motion trail is tracked in real time;
on the basis of capturing the storage position data in real time, the function of searching the accuracy error of the target object position data in real time is adopted, and the positioning error is found and corrected in time, so that the positioning deviation caused by error accumulation is avoided, and the tracking accuracy and accuracy are improved;
on the basis of capturing storage position data in real time, an intelligent peripheral geographic data analysis function is adopted to analyze whether geographic information of a peripheral area in a current target position has potential danger or not, and timely feed back the potential danger to a user, and meanwhile, geographic information of the peripheral area of the target position is fed back, including roads, buildings, terrains and the like, so that convenience and experience of the user are improved;
on the basis of capturing storage position data in real time, a real-time motion track map is generated, the track of the target object is analyzed and managed, high-precision target track tracking is achieved, and the motion rule and behavior characteristics of the target object are known through analyzing the motion track of the target object, so that more comprehensive and accurate information service is provided for users.
In this embodiment, the time interval is 1 second, and the preset error threshold is 100 millimeters.
The time interval is adopted to control the request and response time of the data so as to realize real-time high-precision tracking analysis, the time interval can be adjusted according to actual requirements, the default is set to be 1 second, and a user can set the time interval through custom behavior and change the time interval secondarily.
The current position data information of the target object can be obtained through the CORS signal base station, and a request is sent to the CORS center by taking the time interval as a period so as to obtain the position data information of a plurality of time points of the target object.
After receiving the position data responded by the CORS center, searching the position data in real time, judging whether the precision error is within 100 mm, if the precision error is within the range, considering the position data as accurate two-dimensional geographic data, finishing the precision judgment of the basic data, and if the precision error is not within the range, rejecting. The precise two-dimensional geographic data is saved to a created geographic database for subsequent data processing and analysis.
The step S3 comprises the following steps:
the continuous position data is judged continuously by the Date data field of the accurate position data.
It should be noted that: after the location data of the target object for a continuous period of time has been stored in the geographic database, the system will acquire the location data for that period of time from the geographic database at time intervals. When acquiring the position data, the system judges whether the position data are continuous or not according to the data field Date to acquire continuous two-dimensional geographic position data of the target object, the data field Date records the time for acquiring the position data, and whether the position data are continuous or not can be judged by judging whether the data field Date is continuous or not.
Step S4 comprises the steps of:
s41, positioning a target object according to the continuous position data, and acquiring two-dimensional position data and elevation values of the target object;
s42, carrying out buffer area analysis on the peripheral area of the target object to obtain buffer two-dimensional position data and buffer elevation values of the peripheral area of the target object;
s43, acquiring three-dimensional space position data of the target object according to the two-dimensional position data and the elevation value of the target object, and acquiring buffer three-dimensional space position data of the peripheral area of the target object according to the buffer two-dimensional position data and the buffer elevation value of the peripheral area of the target object.
It should be noted that: based on the responsive position data in the unit time interval in the geographic database, carrying out high-precision positioning on the area through a map under the same coordinate system, judging the administrative division where the current target object is located, wherein the positioning level is the city and county area street, so as to acquire the two-dimensional position data, namely the longitude and latitude, of the current target object; and obtaining the elevation value of the current point position coordinate by superposing the national DEM elevation image. And the longitude and latitude points of the target object are taken as an origin point, N meters are taken as a radius to diffuse to the periphery for buffer area analysis, longitude and latitude data and elevation data of all points in the buffer area are obtained, the data formats are unified and combined, and the three-dimensional object attribute values, namely three-dimensional space position data, are converted. And writing the point position data of the target object and the three-dimensional space position data of the peripheral buffer area into a geographic database.
Step S41 includes:
and positioning the target object according to the continuous position data, acquiring two-dimensional position data of the target object, and acquiring an elevation value of the target object by superposing the national DEM elevation image, wherein the two-dimensional position data comprises longitude and latitude.
Step S42 includes:
dividing a target object peripheral area by taking a longitude and latitude point of the target object as an origin and taking N meters as a radius, performing buffer area analysis on the target object peripheral area, and acquiring buffer two-dimensional position data and buffer elevation values of all points in the target object peripheral area, wherein the buffer two-dimensional position data comprises longitudes and latitudes.
Step S43 includes:
and combining the two-dimensional position data and the elevation value uniformly to obtain three-dimensional space position data, and combining the buffered two-dimensional position data and the buffered elevation value uniformly to obtain buffered three-dimensional space position data.
It should be noted that:
the high-precision positioning of the area is carried out through the map, the administrative division where the target object is located is accurately judged, the positioning level is city and county area street, and the precision is very important for application scenes such as positioning service, geographic information analysis and the like.
The longitude, latitude and elevation data are converted into three-dimensional space data, and the space properties of the point positions of the target object and the surrounding areas of the target object are more comprehensively described. Is very useful for the fields of geographic information systems and the like which need to perform spatial analysis and visualization.
And the three-dimensional space position data of the point position data of the target object and the three-dimensional space position data of the peripheral buffer area are unified and written into a geographic database, so that the subsequent data management, query and analysis are convenient, and the availability and the overall efficiency of the data are improved.
By acquiring longitude and latitude data and elevation data of all points in the buffer area, geographic features and attributes of the peripheral area of the target object are known in depth, and a more comprehensive basis is provided for subsequent spatial analysis and decision.
Step S5 comprises the steps of:
s51, judging the safety degree of the peripheral area of the target object when the target object is in the city range or the field range according to the three-dimensional space position data of the target object and the buffer three-dimensional space position data of the peripheral area of the target object;
s52, carrying out safety reminding or early warning on the target object according to the safety degree of the peripheral area of the target object, and controlling the number of workers in the peripheral area of the target object according to the safety degree of the peripheral area of the target object in the field range.
Step S51 includes:
by buffering three-dimensional space position data (X, Y, Z) Buffering mechanism ，Y Buffering mechanism ，Z Buffering mechanism ) Judging the safety degree of the peripheral area of the target object;
when the target object is in the city range:
wherein X is the longitude value of the position of the target object, V is the latitude value of the position of the target object, Z is the elevation value of the position of the target object, X Buffering mechanism Is the longitude value of the position in the peripheral area of the target object, Y Buffering mechanism Z is the latitude value of the position point in the peripheral area of the target object Buffering mechanism For the elevation value of the locus in the peripheral area of the target object, N is the radius of the peripheral area of the target object, Q City (City) Is the safety degree of the peripheral area of the target object in the city range;
when the target object is in the field range:
wherein Q is Wild field Is the safety degree of the peripheral area of the target object in the field range.
Step S52 includes:
the target object is in city range:
when the safety degree of the peripheral area of the target object is in the urban safety range, safety reminding and early warning are not carried out;
when the safety degree of the peripheral area of the target object is in the urban primary early warning range, carrying out primary safety reminding on the target object;
when the safety degree of the surrounding area of the target object is the urban warning and early warning range, carrying out continuous safety reminding on the target object, and notifying emergency contacts of the target object when the stay time of the target object in the urban warning and early warning range reaches 5 minutes;
the target object is in the field:
when the safety degree of the peripheral area of the target object is the field work safety range, the number of workers in the field work safety range is not less than 1;
when the safety degree of the peripheral area of the target object is in the field hilly area range, the number of workers in the field hilly area range is not less than 2;
when the safety degree of the peripheral area of the target object is in a field mountain area range, the number of workers in the field mountain area range is not less than 3;
when the safety degree of the peripheral area of the target object is in a field primary dangerous range, carrying out primary safety reminding on the target object;
and when the safety degree of the surrounding area of the target object is in the field early warning range, carrying out continuous safety reminding on the target object, and notifying emergency contacts of the target object when the stay time of the target object in the field early warning range reaches 5 minutes.
It should be noted that:
in the urban range, the point position elevation value of the target object is smaller than 100 meters, the maximum elevation value in the peripheral buffer area range is 50 meters, and the peripheral area of the target object can be divided into urban safety ranges; when the point position elevation value of the target object is greater than or equal to 100 meters and less than 200 and the maximum elevation value in the range of the peripheral buffer area is 100 meters, the peripheral area of the target object can be divided into urban primary early warning, and the target object is prompted for safety reminding, but the target object can continue to conduct behavior operation; when the point position elevation value of the target object is greater than or equal to 200 m and the maximum elevation value in the range of the peripheral buffer zone is 10 m, the peripheral area of the target object can be divided into urban warning and early warning, the warning and safety warning can not be canceled, and the emergency contact person can be contacted when the target object does not leave the area within 5 minutes.
In a field range, when the point position elevation value of the target object is smaller than 100 meters and the elevation maximum value in the range of the peripheral buffer area is 10 meters, the peripheral area of the target object can be divided into a field working safety range, and the field working safety range can support single person action, and the safety is good without mutual care; when the point position elevation value of the target object is greater than or equal to 100 meters and less than 300 meters and the maximum elevation value in the range of the peripheral buffer area is 250 meters, the peripheral area of the target object can be divided into the field hilly area range, and because the area has a certain risk, the area needs to be formed into team actions by at least two persons; when the point position elevation value of the target object is more than or equal to 300 and less than 500 meters and the maximum elevation value in the range of the peripheral buffer area is 400 meters, the peripheral area of the target object can be divided into the field mountain area, because the area is dangerous, unexpected accidents occur when people are few, at least two other peers are needed for rescue, and therefore, at least three people are needed to form team actions; when the point position elevation value of the target object is greater than or equal to 100 meters and less than 500 and the maximum elevation value in the range of the peripheral buffer area is 200 meters, the peripheral area of the target object can be divided into a field primary dangerous range, the safety reminding is given to the target object, but the target object can continue to conduct behavior operation; when the point position elevation value of the target object is greater than or equal to 100 m and less than 500 and the maximum elevation value in the range of the peripheral buffer zone is 50 m, the peripheral area of the target object can be divided into a field early warning range, the prompt safety prompt is not canceled, and the target object can contact an emergency contact person when not leaving the area within 5 minutes.
Evaluating and early warning actions in different ranges according to the point position elevation value of the target object and the elevation maximum value in the range of the peripheral buffer zone;
provides guidelines for urban and field work safety areas, enabling one to better understand what areas are relatively safe in urban and field environments.
And providing early warning of different levels according to different elevation values and the elevation maximum value in the range of the peripheral buffer zone, and dividing and warning areas with different danger degrees.
In a field environment, team actions of different scales are recommended according to the point position elevation value of the target object and the elevation maximum value in the range of the peripheral buffer area, so that the safety of personnel is improved.
For high-risk areas, people can be helped to take actions in time by prompting safety reminding and contacting emergency contacts, and potential risks are reduced.
The potential safety risk is evaluated and prevented, and the user is reminded to take appropriate action measures, so that the safety of individuals and teams is guaranteed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. The method for tracking and analyzing the target track based on the CORS signal base station is characterized by comprising the following steps:
s1, setting a time interval, and acquiring current position data of a target object from a CORS center by taking the time interval as a period;
s2, creating a geographic database, traversing the current position data, eliminating the current position data with the precision error larger than a preset error threshold value to obtain accurate position data, and storing the accurate position data into the geographic database;
s3, acquiring accurate position data of the target object in continuous time from a geographic database by taking the time interval as a period, wherein the accurate position data are used as continuous position data;
s4, acquiring three-dimensional space position data of the target object and buffered three-dimensional space position data of a peripheral area of the target object according to the continuous position data;
and S5, judging the safety degree of the peripheral area of the target object according to the three-dimensional space position data and the buffered three-dimensional space position data, and carrying out safety reminding or early warning according to the safety degree.
2. The method for tracking and analyzing a target track based on a CORS signal base station as set forth in claim 1, wherein the step S4 comprises the steps of:
s41, positioning a target object according to the continuous position data, and acquiring two-dimensional position data and elevation values of the target object;
s42, carrying out buffer area analysis on the peripheral area of the target object to obtain buffer two-dimensional position data and buffer elevation values of the peripheral area of the target object;
s43, acquiring three-dimensional space position data of the target object according to the two-dimensional position data and the elevation value of the target object, and acquiring buffer three-dimensional space position data of the peripheral area of the target object according to the buffer two-dimensional position data and the buffer elevation value of the peripheral area of the target object.
3. The method for tracking and analyzing a target track based on a CORS signal base station according to claim 2, wherein step S41 includes:
and positioning the target object according to the continuous position data, acquiring two-dimensional position data of the target object, and acquiring an elevation value of the target object by superposing the national DEM elevation image, wherein the two-dimensional position data comprises longitude and latitude.
4. A method of tracking and analyzing a target track based on a CORS signal base station as in claim 3, wherein step S42 comprises:
dividing a peripheral area of a target object by taking longitude and latitude points of the target object as an origin, taking N meters as a radius, carrying out buffer area analysis on the peripheral area of the target object, and obtaining buffer two-dimensional position data and buffer elevation values of all points in the peripheral area of the target object, wherein the buffer two-dimensional position data comprises longitudes and latitudes.
5. The method for tracking and analyzing a target track based on a CORS signal base station as set forth in claim 4, wherein step S43 includes:
and combining the two-dimensional position data and the elevation value uniformly to obtain three-dimensional space position data, and combining the buffered two-dimensional position data and the buffered elevation value uniformly to obtain buffered three-dimensional space position data.
6. The method for tracking and analyzing a target track based on a CORS signal base station as claimed in claim 1, wherein the step S5 comprises the steps of:
s51, judging the safety degree of the peripheral area of the target object when the target object is in the city range or the field range according to the three-dimensional space position data of the target object and the buffer three-dimensional space position data of the peripheral area of the target object;
s52, carrying out safety reminding or early warning on the target object according to the safety degree of the peripheral area of the target object, and controlling the number of workers in the peripheral area of the target object according to the safety degree of the peripheral area of the target object in the field range.
7. The method for tracking and analyzing a target track based on a CORS signal base station as set forth in claim 6, wherein step S51 includes:
by buffering three-dimensional space position data (X, Y, Z) Buffering mechanism ，Y Buffering mechanism ，Z Buffering mechanism ) Judging the safety degree of the peripheral area of the target object;
when the target object is in the city range:
wherein X is the longitude value of the position of the target object, Y is the latitude value of the position of the target object, Z is the elevation value of the position of the target object, X Buffering mechanism Is the longitude value of the position in the peripheral area of the target object, Y Buffering mechanism Z is the latitude value of the position point in the peripheral area of the target object Buffering mechanism For the elevation value of the locus in the peripheral area of the target object, N is the radius of the peripheral area of the target object, Q City (City) Is the safety degree of the peripheral area of the target object in the city range;
when the target object is in the field range:
wherein Q is Wild field Is the safety degree of the peripheral area of the target object in the field range.
8. The method for tracking and analyzing a target track based on a CORS signal base station as set forth in claim 7, wherein step S52 includes:
the target object is in city range:
when the safety degree of the peripheral area of the target object is in the urban safety range, safety reminding and early warning are not carried out;
when the safety degree of the peripheral area of the target object is in the urban primary early warning range, carrying out primary safety reminding on the target object;
when the safety degree of the surrounding area of the target object is the urban warning and early warning range, carrying out continuous safety reminding on the target object, and notifying emergency contacts of the target object when the stay time of the target object in the urban warning and early warning range reaches 5 minutes;
the target object is in the field:
when the safety degree of the peripheral area of the target object is the field work safety range, the number of workers in the field work safety range is not less than 1;
when the safety degree of the peripheral area of the target object is in the field hilly area range, the number of workers in the field hilly area range is not less than 2;
when the safety degree of the peripheral area of the target object is in a field mountain area range, the number of workers in the field mountain area range is not less than 3;
when the safety degree of the peripheral area of the target object is in a field primary dangerous range, carrying out primary safety reminding on the target object;
and when the safety degree of the surrounding area of the target object is in the field early warning range, carrying out continuous safety reminding on the target object, and notifying emergency contacts of the target object when the stay time of the target object in the field early warning range reaches 5 minutes.
9. The method of tracking and analyzing a target track based on a CORS signal base station as claimed in claim 1, wherein said time interval is 1 second and said predetermined error threshold is 100 mm.
10. The method for tracking and analyzing a target track based on a CORS signal base station as set forth in claim 1, wherein the step S3 includes:
the continuous position data is judged continuously by the Date data field of the accurate position data.
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| CN202311525061.5A CN117572469A (en) | 2023-11-15 | 2023-11-15 | Method for tracking target track based on CORS signal base station |
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