CN114200395A - Multipoint positioning system data quality monitoring method and device and electronic equipment - Google Patents
Multipoint positioning system data quality monitoring method and device and electronic equipment Download PDFInfo
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Abstract
The invention is suitable for the technical field of computers, and particularly relates to a method and a device for monitoring data quality of a multipoint positioning system and electronic equipment, wherein the method comprises the following steps: acquiring an actually measured response signal receiving time table and a test signal receiving time table; calculating a target position, and checking the actually measured data to obtain an actually measured checking result; checking the test data to obtain a test checking result; and judging whether the multipoint positioning system is accurately positioned according to the actual measurement check result and the test check result, if not, determining a fault signal receiving end, and re-positioning. The invention preliminarily deduces the target position according to the received signal, thereby preliminarily judging whether the signal received by each current signal receiving point is normal or not, then carrying out signal test on each signal receiving point to further judge whether the target position is accurate or not, ensuring the accuracy of the target position through double judgment, and improving the reliability of the multipoint positioning system.
Description
Technical Field
The invention belongs to the technical field of computers, and particularly relates to a method and a device for monitoring data quality of a multipoint positioning system and electronic equipment.
Background
The positioning principle of the multipoint positioning technology is a hyperbolic and hyperboloid positioning algorithm based on time difference of arrival. The arrival times of the same response signal received by different receiving stations are paired to obtain the time difference of the response signal to different stations, namely the time difference of the response signal to different receiving stations can be converted into the distance difference from a target to different receiving stations, according to the definitions of the hyperbola and the hyperboloid, one value corresponds to one hyperboloid or one hyperboloid containing the target position, the intersection point of the two hyperboloids is the position of the target in a two-dimensional system, and the intersection point of the three hyperboloids is the position of the target in a three-dimensional coordinate system.
In practical application of an airport, due to the shielding of a building body of an airport, in order to monitor the coverage area, antennas of a receiving station are often installed at a higher place around a field surface and a terminal area, so that the full coverage monitoring of an airport operation area is completed as much as possible, the heights of the receiving antennas are different, and the receiving antennas are not in the same plane with a target transponder, so that a hyperboloid resolving method is adopted to resolve the position of a target.
As a multipoint positioning system, a plurality of positioning points are required to receive signals, and finally, a target position is calculated through the time difference of the signals received by the plurality of points, but if a certain signal receiving point in the system has a fault or a problem, a deviation occurs in the calculation of the target position.
Disclosure of Invention
An embodiment of the present invention is directed to provide a method for monitoring data quality of a multipoint positioning system, which is used to solve the problem in the third part of the background art.
The embodiment of the invention is realized in such a way that a method for monitoring the data quality of a multipoint positioning system comprises the following steps:
acquiring an actual measurement response signal receiving time schedule and a test signal receiving time schedule, wherein the actual measurement response signal receiving time schedule comprises the time when all signal receiving terminals receive actual measurement target signals, and the test signal receiving time schedule comprises the time when all signal receiving terminals receive test signals;
calculating a target position according to the actually measured response signal receiving time table, and checking the actually measured data to obtain an actually measured checking result;
checking the test data according to the test signal receiving timetable to obtain a test checking result;
and judging whether the multipoint positioning system is accurately positioned according to the actual measurement check result and the test check result, if not, determining a fault signal receiving end, and re-positioning.
Preferably, the step of calculating the target position according to the actually measured response signal receiving time table, and performing actually measured data verification to obtain an actually measured verification result specifically includes:
reading the time when all data receiving ends in the actually measured response signal receiving timetable receive the actually measured target signal, and calculating the target position according to the time;
randomly selecting N groups of data receiving ends, calculating a detection target position according to the time when the N groups of data receiving ends receive an actually measured target signal, repeating the steps, and selecting all the combinations of the N groups of data receiving ends, wherein the numerical value of N is less than the total number of the data receiving ends, and the numerical value of N is more than or equal to four;
and counting the position of the detection target and generating an actual measurement checking result.
Preferably, the step of performing test data check according to the test signal receiving schedule to obtain a test check result specifically includes:
reading a test signal receiving time table to obtain the time when each data receiving end receives the test signal;
calculating the position of the data transmitting end according to the moment when each data receiving end receives the test signal to obtain the calculated position of the data transmitting end;
and comparing the calculated position of the data transmitting end with the standard position of the data transmitting end to generate a test checking result.
Preferably, if the determination result is inaccurate, the step of determining the fault signal receiving end specifically includes:
sequentially transmitting test signals to other signal receiving ends at each signal receiving end;
receiving a test signal through a signal receiving end, and recording the time of receiving the test signal;
and calculating the sending position of the test signal according to the time of receiving the test signal, checking and determining the fault signal receiving end.
Preferably, the test signal is transmitted by encryption.
Preferably, when the actual measurement check result and/or the test check result show that the current positioning is not accurate, the fault signal receiving end is determined and the positioning is performed again.
Another objective of an embodiment of the present invention is to provide a data quality monitoring system for a multipoint positioning system, where the system includes:
the data acquisition module is used for acquiring an actual measurement response signal receiving time schedule and a test signal receiving time schedule, wherein the actual measurement response signal receiving time schedule comprises the time when all signal receiving ends receive actual measurement target signals, and the test signal receiving time schedule comprises the time when all signal receiving ends receive test signals;
the actual measurement checking module is used for calculating a target position according to the actual measurement response signal receiving time table, and checking actual measurement data to obtain an actual measurement checking result;
the test checking module is used for checking the test data according to the test signal receiving timetable to obtain a test checking result;
and the fault self-checking module is used for judging whether the multipoint positioning system is accurately positioned according to the actual measurement checking result and the test checking result, and if not, determining a fault signal receiving end and re-positioning.
Preferably, the actual measurement checking module includes:
the actual measurement target calculation unit is used for reading the time when all the data receiving ends in the actual measurement response signal receiving timetable receive the actual measurement target signals and calculating the target position according to the time;
the remeasured target calculation unit is used for randomly selecting N groups of data receiving ends, calculating the position of a detected target according to the time when the N groups of data receiving ends receive an actually measured target signal, repeating the steps, and selecting all the combinations of the N groups of data receiving ends, wherein the numerical value of N is less than the total number of the data receiving ends, and the numerical value of N is greater than or equal to four;
and the result counting unit is used for counting the position of the detection target and generating an actual measurement checking result.
Preferably, the test checking module includes:
the data reading unit is used for reading the test signal receiving time table to obtain the time when each data receiving end receives the test signal;
the position calculating unit is used for calculating the position of the data transmitting end according to the moment when each data receiving end receives the test signal to obtain the calculated position of the data transmitting end;
and the data checking unit is used for comparing the calculated position of the data transmitting end with the standard position of the data transmitting end to generate a test checking result.
It is a further object of an embodiment of the present invention to provide an electronic device, including a memory and a processor, wherein the memory stores a computer program, and when the electronic device is executed by the processor, the electronic device causes the processor to perform the steps of the method for monitoring data quality of a multilateration system as described above.
According to the data quality monitoring method for the multipoint positioning system, provided by the embodiment of the invention, the preliminary inference of the target position is carried out according to the received signals, so that whether the signals received by each current signal receiving point are normal is preliminarily judged, then, the signal test is carried out on each signal receiving point, so that whether the current target position is accurate is further judged, the accuracy of the target position is ensured through double judgment, and the reliability of the multipoint positioning system is improved.
Drawings
Fig. 1 is a flowchart of a data quality monitoring method for a multipoint positioning system according to an embodiment of the present invention;
fig. 2 is a flowchart of a step of calculating a target position according to an actual measurement response signal receiving time table, and performing actual measurement data checking to obtain an actual measurement checking result according to the embodiment of the present invention;
fig. 3 is a flowchart illustrating a step of performing test data checking according to a test signal receiving schedule to obtain a test checking result according to an embodiment of the present invention;
fig. 4 is a flowchart of a step of determining whether the multi-point positioning system is accurately positioned according to the actual measurement check result and the test check result, and if not, determining a fault signal receiving end and performing positioning again according to the actual measurement check result and the test check result;
fig. 5 is an architecture diagram of a data quality monitoring system of a multipoint positioning system according to an embodiment of the present invention;
fig. 6 is an architecture diagram of an actual measurement checking module according to an embodiment of the present invention;
fig. 7 is an architecture diagram of a test check module according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms unless otherwise specified. These terms are only used to distinguish one element from another. For example, a first xx script may be referred to as a second xx script, and similarly, a second xx script may be referred to as a first xx script, without departing from the scope of the present application.
In practical application of an airport, due to the shielding of a building body of an airport, in order to monitor the coverage area, antennas of a receiving station are often installed at a higher place around a field surface and a terminal area, so that the full coverage monitoring of an airport operation area is completed as much as possible, the heights of the receiving antennas are different, and the receiving antennas are not in the same plane with a target transponder, so that a hyperboloid resolving method is adopted to resolve the position of a target. As a multipoint positioning system, a plurality of positioning points are required to receive signals, and finally, a target position is calculated through the time difference of the signals received by the plurality of points, but if a certain signal receiving point in the system has a fault or a problem, a deviation occurs in the calculation of the target position.
The invention preliminarily deduces the target position according to the received signal, thereby preliminarily judging whether the signal received by each current signal receiving point is normal or not, then carrying out signal test on each signal receiving point to further judge whether the target position is accurate or not, ensuring the accuracy of the target position through double judgment, and improving the reliability of the multipoint positioning system.
As shown in fig. 1, a flowchart of a data quality monitoring method for a multipoint positioning system according to an embodiment of the present invention is provided, where the method includes:
s100, acquiring an actual measurement response signal receiving time schedule and a test signal receiving time schedule, wherein the actual measurement response signal receiving time schedule comprises the time when all signal receiving terminals receive actual measurement target signals, and the test signal receiving time schedule comprises the time when all signal receiving terminals receive test signals.
In this step, an actual measurement response signal receiving timetable and a test signal receiving timetable are obtained, the actual measurement response signal receiving timetable includes the time when all signal receiving terminals receive an actual measurement target signal, the test signal receiving timetable includes the time when all signal receiving terminals receive a test signal, wherein the actual measurement target signal is sent out through a target to be positioned and received through the signal receiving terminals, and the test signal is sent out by the signal receiving terminals and used for testing whether each signal receiving terminal normally works.
And S200, calculating a target position according to the actually measured response signal receiving time table, and checking the actually measured data to obtain an actually measured checking result.
In this step, the target position is calculated according to the actually measured response signal receiving time table, after the time when all the signal receiving terminals receive the actually measured target signal is obtained, the multipoint positioning system is directly used for calculation to obtain the target position, and in order to ensure the accuracy of data, verification is performed according to the time when all the signal receiving terminals receive the actually measured target signal to generate an actually measured verification result.
And S300, checking the test data according to the test signal receiving timetable to obtain a test checking result.
In this step, the test data is checked according to the test signal receiving schedule, a signal receiving terminal sends test signals to other data receiving terminals, so that the other data receiving terminals are used for receiving data, and finally, a multipoint positioning system is used for calculating according to the time when all the signal receiving terminals receive the test signals so as to obtain a test target position through calculation, and the test target position is compared with the signal transmitting position, so that a test checking result is obtained.
And S400, judging whether the multipoint positioning system is accurately positioned or not according to the actual measurement check result and the test check result, if not, determining a fault signal receiving end, and re-positioning.
In the step, whether the multi-point positioning system is accurately positioned is judged according to the actual measurement check result and the test check result, when the actual measurement check result and/or the test check result show that the current positioning is not accurate, a fault signal receiving end is determined and the positioning is performed again, the signal receiving end with the fault is determined according to the actual measurement check result and the test check result before the repositioning is performed, and after the signal receiving end is planed, the target position is recalculated according to the time when other residual signal receiving ends receive signals.
As shown in fig. 2, as a preferred embodiment of the present invention, the step of calculating the target position according to the actually measured response signal receiving time table, and performing actually measured data checking to obtain an actually measured checking result specifically includes:
s201, reading the time when all data receiving ends in the actual measurement response signal receiving timetable receive the actual measurement target signal, and calculating the target position according to the time.
In this step, data reading is performed, the time when all data receiving ends in the actually measured response signal receiving timetable receive the actually measured target signal is read, all the time is imported into the multipoint positioning system, and the target position is calculated by the multipoint positioning system.
S202, randomly selecting N groups of data receiving ends, calculating a detection target position according to the time when the N groups of data receiving ends receive the actually-measured target signal, repeating the steps, and selecting all the combinations of the N groups of data receiving ends, wherein the numerical value of N is less than the total number of the data receiving ends, and the numerical value of N is more than or equal to four.
In this step, N groups of data receiving ends are randomly selected, so that N groups of signal receiving times exist, the N groups of times are introduced into a multipoint positioning system, the multipoint positioning system is used for calculation, so that a detection target position is determined, the steps are repeated until all combinations of the N groups of data receiving ends which can be combined are traversed, for example, the total number of the data receiving ends is 5, N is 4, the data receiving ends are ABCDE, and the 4 groups of data receiving ends are ABCD, ABCE, ABDE, ACDE and BCDE respectively selected each time, so that five groups of detection target positions are calculated, if any one group of data receiving ends in the ABCDE is in a problem, the remaining four groups of detection target positions are the same, so that fault removal can be performed, and the detection target positions can also be used as new target positions.
And S203, counting the position of the detection target and generating a measured checking result.
In this step, the detection target positions are counted, and the detection target positions are compared to generate an actual measurement check result, so as to determine the wrong detection target positions.
As shown in fig. 3, as a preferred embodiment of the present invention, the step of performing test data checking according to a test signal receiving schedule to obtain a test checking result specifically includes:
s301, reading the test signal receiving time table to obtain the time when each data receiving end receives the test signal.
In this step, a test signal receiving schedule is read, where the test signal receiving schedule includes the time when all signal receiving terminals receive the test signal.
S302, calculating the position of the data transmitting end according to the time when each data receiving end receives the test signal to obtain the calculated position of the data transmitting end.
In this step, the position of the data transmitting end is calculated according to the time when each data receiving end receives the test signal, and since the multipoint positioning system can calculate according to the signal receiving time of a plurality of data receiving ends, the calculated position of the data transmitting end can be calculated according to the arrival time of the test signal, and in order to ensure the correctness of data, a certain data receiving end is used as the data transmitting end to transmit the test signal, so that the calculated position of the data transmitting end is obtained.
And S303, comparing the calculated position of the data transmitting terminal with the standard position of the data transmitting terminal to generate a test checking result.
In this step, the calculated position of the data transmitting end is compared with the standard position of the data transmitting end, so as to judge whether the calculated position of the data transmitting end is overlapped with the standard position of the data transmitting end according to the test result, and if not, the fault of the data receiving end exists.
As shown in fig. 4, as a preferred embodiment of the present invention, if the determining is not accurate, the determining the fault signal receiving end specifically includes:
s401, sequentially transmitting test signals to other signal receiving ends at each signal receiving end.
S402, receiving the test signal through the signal receiving end, and recording the time of receiving the test signal.
In the step, test signals are sequentially transmitted to other signal receiving ends at each signal receiving end, the test signals are received through the signal receiving ends, and the time of receiving the test signals is recorded; the test signal is transmitted in an encrypted manner.
And S403, calculating the sending position of the test signal according to the time of receiving the test signal, checking and determining the fault signal receiving end.
In this step, if there is a failure at one data receiving end, the time when the data receiving end receives the signal is imported into the multipoint positioning system, and the result obtained by the final calculation also has a problem, for example, 5 groups of data are provided, wherein 4 groups are the same, and the remaining group is correct data.
As shown in fig. 5, the system for monitoring data quality of a multipoint positioning system provided by the present invention includes:
the data obtaining module 100 is configured to obtain an actual measurement response signal receiving schedule and a test signal receiving schedule, where the actual measurement response signal receiving schedule includes times when all signal receiving terminals receive actual measurement target signals, and the test signal receiving schedule includes times when all signal receiving terminals receive test signals.
In the system, the data acquisition module 100 acquires an actual measurement response signal receiving schedule including times when all signal receiving terminals receive actual measurement target signals, and a test signal receiving schedule including times when all signal receiving terminals receive test signals, wherein the actual measurement target signals are sent out through a target to be positioned and received through the signal receiving terminals, and the test signals are sent out through the signal receiving terminals and used for testing whether each signal receiving terminal normally works.
And the actual measurement checking module 200 is configured to calculate a target position according to the actual measurement response signal receiving schedule, and perform actual measurement data checking to obtain an actual measurement checking result.
In the system, the actual measurement checking module 200 calculates the target position according to the actual measurement response signal receiving time table, after the time when all the signal receiving terminals receive the actual measurement target signal is obtained, the multipoint positioning system is directly used for calculation to obtain the target position, and in order to ensure the accuracy of data, the actual measurement checking module performs checking according to the time when all the signal receiving terminals receive the actual measurement target signal to generate the actual measurement checking result.
The test checking module 300 is configured to check the test data according to the test signal receiving schedule to obtain a test checking result.
In the system, the test checking module 300 checks the test data according to the test signal receiving schedule, sends test signals to other data receiving terminals through one signal receiving terminal, so as to receive data by using other data receiving terminals, and finally calculates by using a multipoint positioning system according to the time when all the signal receiving terminals receive the test signals, so as to calculate to obtain a test target position, and compares the test target position with the signal transmitting position, so as to obtain a test checking result.
And the fault self-checking module 400 is configured to determine whether the multi-point positioning system is accurately positioned according to the actual measurement check result and the test check result, and if not, determine a fault signal receiving end and perform positioning again.
In the system, the fault self-checking module 400 determines whether the multi-point positioning system is accurately positioned according to the actual measurement check result and the test check result, determines a fault signal receiving end and performs positioning again when the actual measurement check result and/or the test check result show that the current positioning is not accurate, determines the signal receiving end with the fault according to the actual measurement check result and the test check result before performing the positioning again, and recalculates the target position according to the time when other remaining signal receiving ends receive the signal after removing the signal receiving end.
As shown in fig. 6, as a preferred embodiment of the present invention, the actual measurement checking module 200 includes:
and the actual measurement target calculation unit 201 is configured to read the time when all the data receiving ends in the actual measurement response signal receiving time table receive the actual measurement target signal, and calculate the target position according to the time.
In this module, the measured target calculation unit 201 reads data, reads the time when all data receiving terminals in the measured response signal receiving schedule receive the measured target signal, and introduces all the times into the multipoint positioning system, and obtains the target position by calculation using the multipoint positioning system.
The remeasured target calculation unit 202 is configured to randomly select N groups of data receiving ends, calculate a detected target position according to a time when the N groups of data receiving ends receive an actually measured target signal, repeat the above steps, and select all combinations of N groups of data receiving ends, where a value of N is smaller than a total number of the data receiving ends, and the value of N is greater than or equal to four.
In this module, the retest target calculation unit 202 randomly selects N sets of data receiving terminals, so that there will be N sets of signal receiving times, introduces the N sets of times into the multipoint positioning system, performs calculation using the multipoint positioning system to determine a detection target position, and then repeats the above steps until all combinations of the N sets of data receiving terminals that can be combined have been traversed.
And the result counting unit 203 is used for counting the positions of the detection targets and generating actual measurement checking results.
In this module, the result counting unit 203 counts the detection target positions, and compares the detection target positions to generate an actual measurement check result, so as to determine an erroneous detection target position.
As shown in fig. 7, as a preferred embodiment of the present invention, the test checking module 300 includes:
the data reading unit 301 is configured to read the test signal receiving schedule to obtain the time when each data receiving end receives the test signal.
In this module, the data reading unit 301 reads a test signal receiving schedule, where the test signal receiving schedule includes the time when all signal receiving terminals receive the test signal.
The position calculating unit 302 is configured to calculate the position of the data transmitting end according to the time when each data receiving end receives the test signal, so as to obtain the calculated position of the data transmitting end.
In this module, the position calculating unit 302 calculates the position of the data transmitting end according to the time when each data receiving end receives the test signal, and since the multipoint positioning system can calculate according to the signal receiving time of a plurality of data receiving ends, the calculated position of the data transmitting end can be calculated according to the arrival time of the test signal, and in order to ensure the correctness of data, a certain data receiving end is used as the data transmitting end to transmit the test signal, so as to obtain the calculated position of the data transmitting end.
And the data checking unit 303 is configured to compare the calculated position of the data transmitting end with the standard position of the data transmitting end, and generate a test checking result.
In this module, the data checking unit 303 compares the calculated position of the data transmitting end with the standard position of the data transmitting end, so as to determine whether the calculated position of the data transmitting end coincides with the standard position of the data transmitting end according to the test result, and if not, it indicates that there is a data receiving end fault.
In one embodiment, an electronic device is proposed, which comprises a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
acquiring an actual measurement response signal receiving time schedule and a test signal receiving time schedule, wherein the actual measurement response signal receiving time schedule comprises the time when all signal receiving terminals receive actual measurement target signals, and the test signal receiving time schedule comprises the time when all signal receiving terminals receive test signals;
calculating a target position according to the actually measured response signal receiving time table, and checking the actually measured data to obtain an actually measured checking result;
checking the test data according to the test signal receiving timetable to obtain a test checking result;
and judging whether the multipoint positioning system is accurately positioned according to the actual measurement check result and the test check result, if not, determining a fault signal receiving end, and re-positioning.
It should be understood that, although the steps in the flowcharts of the embodiments of the present invention are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in various embodiments may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a non-volatile computer-readable storage medium, and can include the processes of the embodiments of the methods described above when the program is executed. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A multipoint positioning system data quality monitoring method is characterized by comprising the following steps:
acquiring an actual measurement response signal receiving time schedule and a test signal receiving time schedule, wherein the actual measurement response signal receiving time schedule comprises the time when all signal receiving terminals receive actual measurement target signals, and the test signal receiving time schedule comprises the time when all signal receiving terminals receive test signals;
calculating a target position according to the actually measured response signal receiving time table, and checking the actually measured data to obtain an actually measured checking result;
checking the test data according to the test signal receiving timetable to obtain a test checking result;
and judging whether the multipoint positioning system is accurately positioned according to the actual measurement check result and the test check result, if not, determining a fault signal receiving end, and re-positioning.
2. The method for monitoring the data quality of the multipoint positioning system according to claim 1, wherein the step of calculating the target position according to the actually measured response signal receiving schedule, and performing the actually measured data check to obtain the actually measured check result specifically comprises:
reading the time when all data receiving ends in the actually measured response signal receiving timetable receive the actually measured target signal, and calculating the target position according to the time;
randomly selecting N groups of data receiving ends, calculating a detection target position according to the time when the N groups of data receiving ends receive an actually measured target signal, repeating the steps, and selecting all the combinations of the N groups of data receiving ends, wherein the numerical value of N is less than the total number of the data receiving ends, and the numerical value of N is more than or equal to four;
and counting the position of the detection target and generating an actual measurement checking result.
3. The method for monitoring data quality of a multipoint positioning system according to claim 1, wherein said step of performing test data verification according to a test signal reception schedule to obtain a test verification result specifically comprises:
reading a test signal receiving time table to obtain the time when each data receiving end receives the test signal;
calculating the position of the data transmitting end according to the moment when each data receiving end receives the test signal to obtain the calculated position of the data transmitting end;
and comparing the calculated position of the data transmitting end with the standard position of the data transmitting end to generate a test checking result.
4. The method for monitoring data quality of a multipoint positioning system according to claim 1, wherein said step of determining a fault signal receiving end if it is not accurate specifically comprises:
sequentially transmitting test signals to other signal receiving ends at each signal receiving end;
receiving a test signal through a signal receiving end, and recording the time of receiving the test signal;
and calculating the sending position of the test signal according to the time of receiving the test signal, checking and determining the fault signal receiving end.
5. The multipoint positioning system data quality monitoring method of claim 1, wherein the test signal employs encrypted transmission.
6. The method for monitoring the data quality of the multipoint positioning system according to claim 1, wherein when the actual measurement check result and/or the test check result show that the current positioning is not accurate, the fault signal receiving end is determined and the positioning is performed again.
7. A multipoint positioning system data quality monitoring system, the system comprising:
the data acquisition module is used for acquiring an actual measurement response signal receiving time schedule and a test signal receiving time schedule, wherein the actual measurement response signal receiving time schedule comprises the time when all signal receiving ends receive actual measurement target signals, and the test signal receiving time schedule comprises the time when all signal receiving ends receive test signals;
the actual measurement checking module is used for calculating a target position according to the actual measurement response signal receiving time table, and checking actual measurement data to obtain an actual measurement checking result;
the test checking module is used for checking the test data according to the test signal receiving timetable to obtain a test checking result;
and the fault self-checking module is used for judging whether the multipoint positioning system is accurately positioned according to the actual measurement checking result and the test checking result, and if not, determining a fault signal receiving end and re-positioning.
8. The multipoint positioning system data quality monitoring system of claim 7, wherein said measured verification module comprises:
the actual measurement target calculation unit is used for reading the time when all the data receiving ends in the actual measurement response signal receiving timetable receive the actual measurement target signals and calculating the target position according to the time;
the remeasured target calculation unit is used for randomly selecting N groups of data receiving ends, calculating the position of a detected target according to the time when the N groups of data receiving ends receive an actually measured target signal, repeating the steps, and selecting all the combinations of the N groups of data receiving ends, wherein the numerical value of N is less than the total number of the data receiving ends, and the numerical value of N is greater than or equal to four;
and the result counting unit is used for counting the position of the detection target and generating an actual measurement checking result.
9. The multipoint positioning system data quality monitoring system of claim 7, wherein said test verification module comprises:
the data reading unit is used for reading the test signal receiving time table to obtain the time when each data receiving end receives the test signal;
the position calculating unit is used for calculating the position of the data transmitting end according to the moment when each data receiving end receives the test signal to obtain the calculated position of the data transmitting end;
and the data checking unit is used for comparing the calculated position of the data transmitting end with the standard position of the data transmitting end to generate a test checking result.
10. An electronic device comprising a memory and a processor, the memory having stored therein a computer program, which when executed by the processor causes the processor to perform the steps of the multilateration system data quality monitoring method of any of claims 1 to 6.
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