CN116990746B - Direction finding system and method for radio monitoring - Google Patents
Direction finding system and method for radio monitoring Download PDFInfo
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- CN116990746B CN116990746B CN202311213812.XA CN202311213812A CN116990746B CN 116990746 B CN116990746 B CN 116990746B CN 202311213812 A CN202311213812 A CN 202311213812A CN 116990746 B CN116990746 B CN 116990746B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 82
- 238000012795 verification Methods 0.000 claims abstract description 20
- 238000012797 qualification Methods 0.000 claims description 20
- 238000004088 simulation Methods 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 238000013102 re-test Methods 0.000 abstract 1
- 238000013507 mapping Methods 0.000 description 39
- 238000005192 partition Methods 0.000 description 12
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/023—Monitoring or calibrating
- G01S3/026—Simulating means therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention relates to the field of radio, and particularly discloses a system and a method for radio monitoring and direction finding, wherein the system comprises the following steps: extracting radio direction finding equipment from the same batch of radio direction finding equipment which is qualified in verification, collecting geographic data of a region to be monitored, generating a corresponding number of radio direction finding equipment test containers, and assigning radio direction finding equipment numbers to the radio direction finding equipment test containers; each radio direction-finding device obtains the direction-finding signal transmitting direction according to the received analog radio transmitting signal; and carrying out radio direction finding equipment adaptability adjustment and re-testing on the virtual positions which do not pass the radio direction finding equipment direction finding test according to the collected geographic data, generating a radio direction finding equipment debugging strategy, and sending the radio direction finding equipment debugging strategy to a cloud data server to finish the direction finding test. According to the invention, the multi-point position and multi-angle direction-finding test of the radio direction-finding equipment can be realized, the dependence on manual operation is reduced, and the test efficiency is improved.
Description
Technical Field
The invention relates to the field of radio, in particular to a system and a method for radio monitoring and direction finding.
Background
The radio direction finding technology is widely applied to the fields of military, rescue, environmental protection and the like, and has important significance for positioning and tracking radio signals. In a radio direction finding system, direction finding equipment realizes the positioning and tracking of a signal source by measuring the arrival direction of a radio signal and combining a signal processing algorithm and a data transmission technology.
However, the performance of a radio direction-finding device may be affected by a number of factors, including but not limited to signal strength, signal multipath propagation, noise interference, device internal errors, and the like. Thus, accurate testing and calibration of the radio directional devices is critical to ensuring their performance and accuracy.
Existing radio direction finding device testing methods rely primarily on analog signal sources and precision measurement devices such as directional antennas and signal generators. These methods typically need to be performed in a specific test environment and require manual operation and intervention and are therefore not suitable for all scenarios. Furthermore, these methods often require a lot of time and resources, and may not accurately simulate the radio signal characteristics in an actual operating environment.
Therefore, how to perform automatic direction-finding test of the radio direction-finding equipment reduces the dependence on manual operation, improves the test efficiency, and simultaneously can provide more accurate test results.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a direction finding method for radio monitoring, which comprises the following steps:
step one, carrying out qualification verification on the radio direction finding equipment in the same batch after production is completed, entering a step two if the qualification verification is passed, and sending out production fault information if the qualification verification is not passed;
step two, extracting radio direction finding equipment passing through consistency verification according to a set extraction proportion from the radio direction finding equipment in the same batch which is qualified in verification, numbering the extracted radio direction finding equipment respectively after the radio direction finding equipment is extracted to the number of the set proportion, and entering a step three;
step three, collecting geographical data of a region to be monitored, inputting the collected geographical data of the region to be monitored into a simulation test device, generating a corresponding number of radio direction finding equipment test containers by the simulation test device according to the geographical data of the region to be monitored and the number of the radio direction finding equipment, connecting the generated radio direction finding equipment test containers with the radio direction finding equipment in a communication way, and assigning the radio direction finding equipment numbers to the radio direction finding equipment test containers;
step four, acquiring set virtual position information of each radio direction-finding device in a region to be monitored, respectively sending the virtual position information to each radio direction-finding device test container, respectively sending analog radio emission signals to corresponding radio direction-finding devices by each radio direction-finding device test container according to the virtual emission positions and directions of the direction-finding signals, and respectively obtaining direction-finding signal emission directions by each radio direction-finding device according to the received analog radio emission signals;
step five, according to the signal emission directions obtained by the radio direction-finding devices, respectively comparing the signal emission directions with the virtual emission directions of the direction-finding signals, if the direction deviation is in a set range, passing the direction-finding test of the radio direction-finding devices, and if the passing rate of the direction-finding test of the radio direction-finding devices is not less than the set passing rate, entering a step seven; otherwise, enter step six;
step six, carrying out radio direction finding equipment adaptability adjustment on the virtual position which is not passed by the radio direction finding equipment according to the collected geographic data, and carrying out the test again until the test passes, and entering a step seven;
and step seven, generating a radio direction finding device debugging strategy, and sending the strategy to a cloud data server to finish the direction finding test.
Further, the qualification verification of the radio direction finding equipment in the same batch after the production is completed comprises the following steps:
and carrying out power-on test on the produced radio direction-finding equipment, if the radio direction-finding equipment can carry out radio reception and radio direction-finding, the radio direction-finding equipment is qualified, and if the qualification rate of the radio direction-finding equipment is not less than the set qualification rate, the radio direction-finding equipment in the same batch passes the qualification test.
Further, the method for extracting the radio direction finding equipment passing the consistency check in the same batch of radio direction finding equipment passing the verification according to the set extraction proportion comprises the following steps:
and respectively transmitting the same test radio signal to the extracted radio direction-finding equipment at the same interval distance, if the amplitude and the intensity of the radio signal received by each radio direction-finding equipment are within the error range, checking the consistency of the radio direction-finding equipment, and otherwise, not passing.
Further, the obtaining the set virtual position information of each radio direction-finding device in the area to be monitored, and sending the virtual position information to each radio direction-finding device test container, according to the virtual transmitting position and direction of the direction-finding signal, each radio direction-finding device test container sends the analog radio transmitting signal to the corresponding radio direction-finding device, including:
setting virtual position information of the area to be monitored for each radio direction-finding device respectively, sending the virtual position information to each radio direction-finding device test container respectively, generating corresponding direction-finding signals by each radio direction-finding device test container according to the virtual transmitting position and direction of the direction-finding signals, sending the corresponding direction-finding signals to the radio direction-finding devices connected with the radio direction-finding device test container,
further, the radio direction finding device adaptability adjustment according to the collected geographic data includes:
and acquiring geographical data of an area to be monitored according to the deployment position of the radio direction-finding equipment, and completing the adaptive adjustment of the radio direction-finding equipment by adjusting the receiving antenna of the radio direction-finding equipment.
Further, the generating the radio directional device debugging strategy and sending the generated radio directional device debugging strategy to the cloud data server includes:
and packaging the obtained adaptive adjustment data of the radio directional equipment and the corresponding geographic data of the area to be monitored, and sending the data to a cloud data server.
The system comprises a cloud data server, a direction finding signal simulation module, a data processing module, a radio data acquisition device, a communication device, a simulation test device and a geographic data acquisition device;
the direction finding signal simulation module, the radio data acquisition device, the communication device, the simulation test device and the geographic data acquisition device are respectively connected with the data processing module; the cloud data server is in communication connection with the communication device.
The beneficial effects of the invention are as follows: according to the technical scheme provided by the invention, the multi-point position and multi-angle direction-finding test of the radio direction-finding equipment can be realized at the same time, the dependence on manual operation is reduced, the test efficiency is improved, and more accurate test results can be provided.
Drawings
FIG. 1 is a flow diagram of a method for radio monitoring direction finding;
fig. 2 is a schematic diagram of a principle for a radio monitoring direction finding system.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
For the purpose of making the technical solution and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention. It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
The features and capabilities of the present invention are described in further detail below in connection with the examples.
As shown in fig. 1, the direction finding method for radio monitoring comprises the following steps:
step one, carrying out qualification verification on the radio direction finding equipment in the same batch after production is completed, entering a step two if the qualification verification is passed, and sending out production fault information if the qualification verification is not passed;
step two, extracting radio direction finding equipment passing through consistency verification according to a set extraction proportion from the radio direction finding equipment in the same batch which is qualified in verification, numbering the extracted radio direction finding equipment respectively after the radio direction finding equipment is extracted to the number of the set proportion, and entering a step three;
step three, collecting geographical data of a region to be monitored, inputting the collected geographical data of the region to be monitored into a simulation test device, generating a corresponding number of radio direction finding equipment test containers by the simulation test device according to the geographical data of the region to be monitored and the number of the radio direction finding equipment, connecting the generated radio direction finding equipment test containers with the radio direction finding equipment in a communication way, and assigning the radio direction finding equipment numbers to the radio direction finding equipment test containers;
step four, acquiring set virtual position information of each radio direction-finding device in a region to be monitored, respectively sending the virtual position information to each radio direction-finding device test container, respectively sending analog radio emission signals to corresponding radio direction-finding devices by each radio direction-finding device test container according to the virtual emission positions and directions of the direction-finding signals, and respectively obtaining direction-finding signal emission directions by each radio direction-finding device according to the received analog radio emission signals;
step five, according to the signal emission directions obtained by the radio direction-finding devices, respectively comparing the signal emission directions with the virtual emission directions of the direction-finding signals, if the direction deviation is in a set range, passing the direction-finding test of the radio direction-finding devices, and if the passing rate of the direction-finding test of the radio direction-finding devices is not less than the set passing rate, entering a step seven; otherwise, enter step six;
step six, carrying out radio direction finding equipment adaptability adjustment on the virtual position which is not passed by the radio direction finding equipment according to the collected geographic data, and carrying out the test again until the test passes, and entering a step seven;
and step seven, generating a radio direction finding device debugging strategy, and sending the strategy to a cloud data server to finish the direction finding test.
And carrying out power-on test on the produced radio direction-finding equipment, if the radio direction-finding equipment can carry out radio reception and radio direction-finding, the radio direction-finding equipment is qualified, and if the qualification rate of the radio direction-finding equipment is not less than the set qualification rate, the radio direction-finding equipment in the same batch passes the qualification test.
The method for extracting the radio direction finding equipment passing the consistency check in the same batch of radio direction finding equipment passing the verification according to the set extraction proportion comprises the following steps:
and respectively transmitting the same test radio signal to the extracted radio direction-finding equipment at the same interval distance, if the amplitude and the intensity of the radio signal received by each radio direction-finding equipment are within the error range, checking the consistency of the radio direction-finding equipment, and otherwise, not passing.
The method comprises the steps of collecting geographical data of a region to be monitored, inputting the collected geographical data of the region to be monitored into a simulation test device, and comprising the following steps:
s1, acquiring coordinates of a region to be monitored, and establishing a mapping region according to the coordinates to obtain the transverse length and the longitudinal length of the mapping region;
s2, setting a mapping height according to the established mapping area, taking the transverse direction as the mapping direction, dividing the mapping area into a plurality of transverse mapping areas according to the picture width acquired by mapping equipment at the set mapping height and the longitudinal length of the mapping area, respectively acquiring transverse mapping images and transverse geographical mapping data from the plurality of transverse mapping areas through the mapping equipment, and splicing the acquired transverse mapping images to obtain the transverse mapping images of the area to be measured;
s3, dividing a mapping area into a plurality of longitudinal mapping areas according to the set mapping height, taking the longitudinal direction as the mapping direction and the transverse length of the mapping area, and respectively acquiring a longitudinal mapping partition map and corresponding longitudinal geographical mapping data for the plurality of longitudinal mapping areas through the mapping equipment according to the picture width acquired by the mapping equipment at the set mapping height;
s4, dividing the obtained transverse mapping graph of the region to be measured into a plurality of longitudinal partition graphs of the transverse mapping graph according to the longitudinal mapping direction, wherein the longitudinal partition graphs of the transverse mapping graph correspond to the longitudinal mapping partition graphs obtained respectively one by one;
s5, carrying out image comparison on the longitudinal partition map of the transverse map and the corresponding longitudinal mapping partition map one by one, wherein the image comparison comprises obtaining image similarity, and if the image similarity of the longitudinal partition map of the transverse map and the corresponding longitudinal mapping partition map is not smaller than the set image similarity, acquiring the image data to be qualified; otherwise, entering a step six;
s6, extracting a longitudinal partition map of the transverse map with image similarity smaller than the set image similarity, detecting the coincidence rate of each transverse partition in the longitudinal partition map of the transverse map and a corresponding region in the corresponding longitudinal map, screening out the transverse partition with the coincidence rate lower than the set image similarity, re-acquiring image data of the region, detecting the similarity of the re-acquired image data, and if the image data is qualified, replacing the image data of the region in the transverse map to obtain a corrected transverse map, completing image mapping, and obtaining image mapping data of a monitoring region;
and S7, carrying out data fusion on the transverse geographic data and the corresponding longitudinal geographic data to obtain geographic mapping data of the monitoring area, and packaging the image mapping data of the monitoring area and the geographic mapping data of the monitoring area to generate geographic data of the area to be monitored.
The method comprises the steps of obtaining set virtual position information of each radio direction-finding device in a region to be monitored, respectively sending the virtual position information to each radio direction-finding device test container, respectively sending analog radio emission signals to corresponding radio direction-finding devices by each radio direction-finding device test container according to the virtual emission positions and directions of the direction-finding signals, and comprising the following steps:
setting virtual position information of the area to be monitored for each radio direction-finding device respectively, sending the virtual position information to each radio direction-finding device test container respectively, generating corresponding direction-finding signals by each radio direction-finding device test container according to the virtual transmitting position and direction of the direction-finding signals, sending the corresponding direction-finding signals to the radio direction-finding devices connected with the radio direction-finding device test container,
the radio direction finding equipment adaptability adjustment is carried out according to the collected geographic data, and the radio direction finding equipment adaptability adjustment comprises:
and acquiring geographical data of an area to be monitored according to the deployment position of the radio direction-finding equipment, and completing the adaptive adjustment of the radio direction-finding equipment by adjusting the receiving antenna of the radio direction-finding equipment.
The generating the radio directional device debugging strategy and sending the radio directional device debugging strategy to the cloud data server comprises the following steps:
and packaging the obtained adaptive adjustment data of the radio directional equipment and the corresponding geographic data of the area to be monitored, and sending the data to a cloud data server.
As shown in fig. 2, the method for radio monitoring and direction finding is applied to a radio monitoring and direction finding system, and comprises a cloud data server, a direction finding signal simulation module, a data processing module, a radio data acquisition device, a communication device, a simulation test device and a geographic data acquisition device;
the direction finding signal simulation module, the radio data acquisition device, the communication device, the simulation test device and the geographic data acquisition device are respectively connected with the data processing module; the cloud data server is in communication connection with the communication device.
The foregoing is merely a preferred embodiment of the invention, and it is to be understood that the invention is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (6)
1. A direction finding method for radio monitoring, characterized by the steps of:
step one, carrying out qualification verification on the radio direction finding equipment in the same batch after production is completed, entering a step two if the qualification verification is passed, and sending out production fault information if the qualification verification is not passed;
step two, extracting radio direction finding equipment passing through consistency verification according to a set extraction proportion from the radio direction finding equipment in the same batch which is qualified in verification, numbering the extracted radio direction finding equipment respectively after the radio direction finding equipment is extracted to the number of the set proportion, and entering a step three;
step three, collecting geographical data of a region to be monitored, inputting the collected geographical data of the region to be monitored into a simulation test device, generating a corresponding number of radio direction finding equipment test containers by the simulation test device according to the geographical data of the region to be monitored and the number of the radio direction finding equipment, connecting the generated radio direction finding equipment test containers with the radio direction finding equipment in a communication way, and assigning the radio direction finding equipment numbers to the radio direction finding equipment test containers;
step four, acquiring set virtual position information of each radio direction-finding device in a region to be monitored, respectively sending the virtual position information to each radio direction-finding device test container, respectively sending analog radio emission signals to corresponding radio direction-finding devices by each radio direction-finding device test container according to the virtual emission positions and directions of the direction-finding signals, and respectively obtaining direction-finding signal emission directions by each radio direction-finding device according to the received analog radio emission signals;
step five, according to the signal emission directions obtained by the radio direction-finding devices, respectively comparing the signal emission directions with the virtual emission directions of the direction-finding signals, if the direction deviation is in a set range, passing the direction-finding test of the radio direction-finding devices, and if the passing rate of the direction-finding test of the radio direction-finding devices is not less than the set passing rate, entering a step seven; otherwise, enter step six;
step six, carrying out radio direction finding equipment adaptability adjustment on the virtual position which is not passed by the radio direction finding equipment according to the collected geographic data, and carrying out the test again until the test passes, and entering a step seven;
step seven, generating a radio direction finding device debugging strategy, and sending the strategy to a cloud data server to finish a direction finding test;
the method comprises the steps of obtaining set virtual position information of each radio direction-finding device in a region to be monitored, respectively sending the virtual position information to each radio direction-finding device test container, respectively sending analog radio emission signals to corresponding radio direction-finding devices by each radio direction-finding device test container according to the virtual emission positions and directions of the direction-finding signals, and comprising the following steps:
and setting virtual position information of the to-be-monitored area for each radio direction-finding device respectively, sending the virtual position information to each radio direction-finding device test container respectively, generating corresponding direction-finding signals by each radio direction-finding device test container according to the virtual transmitting positions and directions of the direction-finding signals, and sending the corresponding direction-finding signals to the radio direction-finding devices connected with the radio direction-finding device test containers.
2. The method for radio monitoring and direction finding according to claim 1, wherein said qualification of the same batch of radio direction finding devices after production comprises:
and carrying out power-on test on the produced radio direction-finding equipment, if the radio direction-finding equipment can carry out radio reception and radio direction-finding, the radio direction-finding equipment is qualified, and if the qualification rate of the radio direction-finding equipment is not less than the set qualification rate, the radio direction-finding equipment in the same batch passes the qualification test.
3. The method for radio monitoring and direction finding according to claim 2, wherein the step of extracting the radio direction finding devices passing the consistency check in the same batch of radio direction finding devices passing the verification according to the set extraction ratio comprises the steps of:
and respectively transmitting the same test radio signal to the extracted radio direction-finding equipment at the same interval distance, if the amplitude and the intensity of the radio signal received by each radio direction-finding equipment are within the error range, checking the consistency of the radio direction-finding equipment, and otherwise, not passing.
4. A method for radio monitoring and direction finding according to claim 3, wherein said adapting the radio direction finding device according to the collected geographical data comprises:
and acquiring geographical data of an area to be monitored according to the deployment position of the radio direction-finding equipment, and completing the adaptive adjustment of the radio direction-finding equipment by adjusting the receiving antenna of the radio direction-finding equipment.
5. The method for radio monitoring and direction finding according to claim 4, wherein generating the radio direction finding device debug policy and sending the same to the cloud data server comprises:
and packaging the obtained adaptive adjustment data of the radio directional equipment and the corresponding geographic data of the area to be monitored, and sending the data to a cloud data server.
6. The direction finding system for radio monitoring is characterized in that the direction finding method for radio monitoring according to any one of claims 1-5 is applied and comprises a cloud data server, a direction finding signal simulation module, a data processing module, a radio data acquisition device, a communication device, a simulation test device and a geographic data acquisition device;
the direction finding signal simulation module, the radio data acquisition device, the communication device, the simulation test device and the geographic data acquisition device are respectively connected with the data processing module; the cloud data server is in communication connection with the communication device.
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