CN117812573A - Tunnel portal object identity recognition method based on Bluetooth information and radio frequency information - Google Patents
Tunnel portal object identity recognition method based on Bluetooth information and radio frequency information Download PDFInfo
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Abstract
The application relates to a tunnel portal object identity recognition method based on Bluetooth information and radio frequency information, and relates to the field of target recognition. The method comprises the following steps: acquiring Bluetooth information and radio frequency information sent by a fusion beacon passing through a tunnel portal; the radio frequency information comprises check reference data; checking the Bluetooth information and the radio frequency information by adopting a preset checking mode to obtain current checking data; and determining whether the object carried by the fusion beacon is an effective object according to the consistency of the check reference data and the current check data. The method and the device can improve the identification accuracy and the identification efficiency of the object identification.
Description
Technical Field
The application relates to the field of target identification, in particular to a tunnel portal object identification method based on Bluetooth information and radio frequency information.
Background
The pumped storage power station is generally built in a remote area with economic benefit, and has wide construction work surface distribution, large fluidity of constructors and long construction period, so that in order to ensure the safety of the constructors, the constructors and vehicles need to be accurately and effectively identified at a construction entrance (for example, a tunnel underground cavity entrance and exit).
In the prior art, when people and vehicles are identified through indoor positioning and identification technologies, such as an AI (Artificial Intelligence) camera, UWB (Ultra-Wideband) positioning, wireless positioning, infrared positioning and the like, interference of dust, light, metal in a construction environment and the like is easily received, so that the identification accuracy is low.
Disclosure of Invention
Based on the foregoing, it is necessary to provide a tunnel portal object identification method, device, positioning base station, system, medium and program product based on bluetooth information and radio frequency information, which can improve accuracy of identification results.
In a first aspect, the present application provides a tunnel portal object identification method based on bluetooth information and radio frequency information, including:
acquiring Bluetooth information and radio frequency information sent by a fusion beacon passing through a tunnel portal; the radio frequency information comprises check reference data;
checking the Bluetooth information and the radio frequency information by adopting a preset checking mode to obtain current checking data; wherein, the preset verification mode corresponds to the generation mode of the verification reference data;
and determining whether the object carried by the fusion beacon is an effective object according to the consistency of the check reference data and the current check data.
In one embodiment, the bluetooth information and/or the radio frequency information includes a beacon identifier of the fused beacon; correspondingly, according to the consistency of the check reference data and the current check data, determining whether the object carried by the fusion beacon is an effective object comprises the following steps: if the check reference data is consistent with the current check data, matching the beacon identifier of the fusion beacon with the standard beacon identifier in the base station database; and determining whether the object carried by the fused beacon is an effective object according to the matching condition of the beacon identification.
In one embodiment, determining whether the object carried by the fused beacon is a valid object according to the matching condition of the beacon identifier includes: if the beacon identification of the fusion beacon is matched with the standard beacon identification in the base station database, determining that the carrying object of the fusion beacon is an effective object; if the beacon identification of the fusion beacon is not matched with the standard beacon identification in the base station database, determining that the carrying object of the fusion beacon is an invalid object.
In one embodiment, the bluetooth information and/or the radio frequency information further includes an object identifier carrying the object; correspondingly, the method further comprises the steps of: if the carried object is an effective object, matching the object identifier of the carried object with the standard object identifier in the base station database; and carrying out object identification on the object carried by the fusion beacon according to the matching condition of the object identification.
In one embodiment, acquiring bluetooth information and radio frequency information transmitted by a fusion beacon passing through a tunnel portal includes: when one of Bluetooth information and radio frequency information sent by the fusion beacon is acquired, the information acquisition frequency of the other information is increased; and when no new Bluetooth information or radio frequency information is acquired within the preset duration range, the information acquisition frequency is reduced.
In a second aspect, the present application further provides an object identification device, including:
the information acquisition module is used for acquiring Bluetooth information and radio frequency information sent by the fusion beacon passing through the tunnel portal; the radio frequency information comprises check reference data;
the data verification module is used for verifying the Bluetooth information and the radio frequency information by adopting a preset verification mode to obtain current verification data;
and the object identification module is used for determining whether the object carried by the fusion beacon is an effective object according to the consistency of the check reference data and the current check data.
In a third aspect, the present application also provides a positioning base station, which includes a memory and a processor, the memory storing a computer program, the processor implementing the following steps when executing the computer program:
Acquiring Bluetooth information and radio frequency information sent by a fusion beacon passing through a tunnel portal; the radio frequency information comprises check reference data;
checking the Bluetooth information and the radio frequency information by adopting a preset checking mode to obtain current checking data; wherein, the preset verification mode corresponds to the generation mode of the verification reference data;
and determining whether the object carried by the fusion beacon is an effective object according to the consistency of the check reference data and the current check data.
In a fourth aspect, the present application further provides a positioning system, where the system includes a positioning base station, a fusion beacon, a bluetooth antenna, and a radio frequency antenna;
the Bluetooth antenna is respectively in communication connection with the positioning base station and the fusion beacon; the radio frequency antenna is respectively in communication connection with the positioning base station and the fusion beacon;
the fusion beacon is used for sending Bluetooth information and transmitting the Bluetooth information to the positioning base station through the Bluetooth antenna;
and the fusion beacon is also used for sending radio frequency information and transmitting the radio frequency information to the positioning base station through a radio frequency antenna.
In a fifth aspect, the present application also provides a readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of:
Acquiring Bluetooth information and radio frequency information sent by a fusion beacon passing through a tunnel portal; the radio frequency information comprises check reference data;
checking the Bluetooth information and the radio frequency information by adopting a preset checking mode to obtain current checking data; wherein, the preset verification mode corresponds to the generation mode of the verification reference data;
and determining whether the object carried by the fusion beacon is an effective object according to the consistency of the check reference data and the current check data.
In a sixth aspect, the present application also provides a program product comprising a computer program which, when executed by a processor, performs the steps of:
acquiring Bluetooth information and radio frequency information sent by a fusion beacon passing through a tunnel portal; the radio frequency information comprises check reference data;
checking the Bluetooth information and the radio frequency information by adopting a preset checking mode to obtain current checking data; wherein, the preset verification mode corresponds to the generation mode of the verification reference data;
and determining whether the object carried by the fusion beacon is an effective object according to the consistency of the check reference data and the current check data.
The tunnel portal object identity recognition method, the device, the positioning base station, the system, the medium and the program product based on the Bluetooth information and the radio frequency information verify the acquired Bluetooth information and radio frequency information in a preset verification mode to obtain current verification data; and determining whether the object carried by the fusion beacon is an effective object according to the consistency of the check reference data and the current check data. In the process, the Bluetooth information and the radio frequency information are checked, wherein the radio frequency information comprises check reference data, and further, the consistency condition of the check reference data and the current check data is judged, so that the integrity and the accuracy of the Bluetooth information and the radio frequency information are ensured, and the validity and the accuracy of the follow-up object identity identification are ensured. In addition, before determining whether the object carried by the fusion beacon is an effective object, the verification process of the Bluetooth information and the radio frequency information is completed, so that the efficiency of the identification of the subsequent object is improved.
Drawings
Fig. 1 is a schematic diagram of an application scenario of a tunnel portal object identification method provided in an embodiment of the present application;
FIG. 2 is a flowchart of a tunnel portal object identification method provided in an embodiment of the present application;
FIG. 3 is a flowchart illustrating steps for determining whether an object is a valid object according to an embodiment of the present application;
FIG. 4 is a flowchart of steps for determining an effective object according to an embodiment of the present application;
fig. 5 is a flowchart of a step of adjusting information acquisition frequency according to an embodiment of the present application;
FIG. 6 is a flowchart of another tunnel portal object identification method according to an embodiment of the present application;
FIG. 7 is an exemplary diagram of a waveform of a linearly polarized signal provided in an embodiment of the present application;
FIG. 8 is an exemplary diagram of a waveform of a circularly polarized signal according to an embodiment of the present application;
FIG. 9 is an exemplary plot of an elliptically polarized signal waveform provided in an embodiment of the present application;
FIG. 10 is a block diagram of a first object identification device according to an embodiment of the present application;
FIG. 11 is a block diagram of a second object identification device according to an embodiment of the present application;
FIG. 12 is a block diagram of a third object identification device according to an embodiment of the present application;
Fig. 13 is a block diagram of a fourth object identification device according to an embodiment of the present application;
FIG. 14 is an internal block diagram of a positioning base station in one embodiment;
fig. 15 is a system block diagram of a positioning system provided in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application. In the description of the present application, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Based on the above situation, the tunnel portal object identification method provided by the embodiment of the application can be applied to an application environment as shown in fig. 1. In one embodiment, a positioning system is provided in this scenario, where the positioning system is provided with a positioning base station 101, a fused beacon 102, a bluetooth antenna 103, and a radio frequency antenna 104, and the system architecture diagram may be as shown in fig. 1.
The Bluetooth antenna 103 is respectively connected with the positioning base station 101 and the fusion beacon 102 in a communication way; the radio frequency 1 antenna 104 is respectively in communication connection with the positioning base station 101 and the fusion beacon 102; a fused beacon 102, configured to send bluetooth information, and transmit the bluetooth information to the positioning base station 101 through a bluetooth antenna 103; the fused beacon 102 is further configured to send radio frequency information, and transmit the radio frequency information to the positioning base station 101 through the radio frequency antenna 104.
In an exemplary embodiment, as shown in fig. 2, the tunnel portal object identification method of the present embodiment may be applied to a positioning base station, and includes the following steps:
s201, bluetooth information and radio frequency information sent by the fusion beacon passing through the tunnel portal are obtained.
The Bluetooth information comprises a beacon identifier of a fusion beacon and an object identifier of a carrying object of the fusion beacon; the radio frequency information includes check reference data, for example, the check reference data may be at least one of a cyclic redundancy check code, a hamming check code, a parity check code, and the like, and at least one of a beacon identifier of the fused beacon and an object identifier of a carrying object of the fused beacon.
It should be noted that, the fused beacon is used for indicating a beacon designed by combining the bluetooth technology and the ultra-high frequency RFID (Radio Frequency Identification ) technology together, that is, the fused beacon has both the bluetooth function and the ultra-high frequency radio frequency identification function, so that the fused beacon can transmit both bluetooth information and radio frequency information.
Further, the bluetooth information sent by the fusion beacon may be transmitted to the positioning base station through a bluetooth antenna connected to the positioning base station, and the radio frequency information sent by the fusion beacon may be transmitted to the positioning base station through a radio frequency antenna connected to the positioning base station.
The Bluetooth antenna is composed of two independent Bluetooth antennas, and the two independent Bluetooth antennas are subjected to signal superposition in an elliptical polarization mode. On the one hand, the signal superposition mode enables the Bluetooth antenna to simultaneously transmit signals in the horizontal direction and the vertical direction, reduces the influence of multipath interference on signal quality, can be better suitable for different transmission paths and receiving equipment, and enables the signal transmission process to be more stable and more reliable. On the other hand, the signal superposition mode enables the loss to be small when the signal state changes, and the signal transmission efficiency can be improved.
The radio frequency antenna refers to an ultrahigh frequency RFID antenna, and the radio frequency signal frequency of the ultrahigh frequency RFID antenna is 860 MHz (megahertz) to 960 MHz (megahertz), so that the ultrahigh frequency RFID antenna has a longer reading distance and high-speed data transmission capability.
S202, checking the Bluetooth information and the radio frequency information by adopting a preset checking mode to obtain current checking data.
It should be noted that, because the bluetooth information or the radio frequency information may be lost and lost in the transmission process, in order to ensure the integrity and accuracy of the information in the transmission process, the data integrity check and the data error check may be performed on the bluetooth information and the radio frequency information, so as to ensure that the complete and accurate bluetooth information and radio frequency information are obtained.
Further, the preset verification mode may be preset according to the history experience of the staff, and the preset verification mode may include at least one of a cyclic redundancy verification mode, a hamming verification mode, a parity verification mode, and the like, and only the selected preset verification mode needs to be ensured to be matched with the generation mode of the verification reference data.
Further, a corresponding preset checking mode can be selected according to the type of the checking reference data, so that the checking of the Bluetooth information and the radio frequency information is realized, and the current checking data is obtained.
In an embodiment of the present application, if the type of the check reference data is a cyclic redundancy check code, the bluetooth information and the radio frequency information may be checked according to a cyclic redundancy check mode, which specifically may include the following: and acquiring binary information codes corresponding to the Bluetooth information and the radio frequency information, and performing modular operation on the binary information codes by using a cyclic redundancy check generating polynomial, wherein the modulus of the modular operation is 2, and obtaining a modular operation result, namely the current check data.
In another embodiment of the present application, if the type of the verification reference data is a hamming verification code, the bluetooth information and the radio frequency information may be verified according to a hamming verification method, which specifically may include the following contents: and further, carrying out exclusive or operation on binary numbers corresponding to the check bit indexes in the binary information codes according to the check bit indexes to obtain exclusive or operation results, wherein the exclusive or operation results are the current check data.
In yet another embodiment of the present application, if the type of the check reference data is a parity check code, the bluetooth information and the radio frequency information may be checked according to a parity check manner, which may specifically include the following: and acquiring binary information codes corresponding to the Bluetooth information and the radio frequency information, and counting the number of bits coded as 1 and the number of bits coded as 0 in the binary information codes to obtain a counting result, namely the current check data.
S203, determining whether the object carried by the fusion beacon is an effective object according to the consistency of the check reference data and the current check data.
In order to ensure the effectiveness and efficiency of the object identification, the consistency comparison is performed between the verification reference data and the current verification data, and the subsequent object identification is performed according to the consistency comparison result.
In an embodiment of the present application, if the check reference data is inconsistent with the current check data, it may be directly determined that the carrying object of the fusion beacon is an invalid object.
In another embodiment of the present application, if the check reference data is consistent with the current check data, determining whether the object carried by the fused beacon is a valid object may specifically include the following: matching the beacon identifier of the fusion beacon with the standard beacon identifier in the base station database, and if the beacon identifier of the fusion beacon is matched with the standard beacon identifier in the base station database, determining that the carrying object of the fusion beacon is an effective object; if the beacon identification of the fusion beacon is not matched with the standard beacon identification in the base station database, determining that the carrying object of the fusion beacon is an invalid object.
According to the tunnel portal object identity identification method based on the Bluetooth information and the radio frequency information, the obtained Bluetooth information and the obtained radio frequency information are checked in a preset checking mode to obtain current checking data; and determining whether the object carried by the fusion beacon is an effective object according to the consistency of the check reference data and the current check data. In the process, the Bluetooth information and the radio frequency information are checked, wherein the radio frequency information comprises check reference data, and further, the consistency condition of the check reference data and the current check data is judged, so that the integrity and the accuracy of the Bluetooth information and the radio frequency information are ensured, and the validity and the accuracy of the follow-up object identity identification are ensured. In addition, before determining whether the object carried by the fusion beacon is an effective object, the verification process of the Bluetooth information and the radio frequency information is completed, so that the efficiency of the identification of the subsequent object is improved.
On the basis of the technical solutions of the above embodiments, the present application further provides an alternative embodiment. In this alternative embodiment, the step of determining whether the carrying object of the fused beacon is a valid object in S203 is optimized and improved, so as to improve the accuracy of determining the valid object.
The effective object determining step shown in fig. 3 includes the steps of:
and S301, if the check reference data is consistent with the current check data, matching the beacon identifier of the fused beacon with the standard beacon identifier in the base station database.
The beacon identifier of the fused beacon is used to represent information capable of uniquely identifying the fused beacon, for example, the beacon identifier of the fused beacon may include at least one of a beacon device code of the fused beacon and a production serial number of the fused beacon. The standard beacon identification refers to a beacon identification which is prestored in a base station database.
In one embodiment of the present application, a binary encoding of a beacon identification of a fused beacon and a binary encoding of a standard beacon identification may be obtained; performing exclusive-or operation on the binary code of the beacon identifier fused with the beacon and the binary code of the standard beacon identifier to obtain an exclusive-or operation result; if the exclusive OR operation result is 0, determining that the beacon identification of the fusion beacon is matched with the standard beacon identification in the base station database; if the exclusive OR operation result is not 0, determining that the beacon identification of the fusion beacon is not matched with the standard beacon identification in the base station database.
As an example, if the beacon identification of the fused beacon is 15 and the standard beacon identification is 12, the binary encoding of the beacon identification of the fused beacon is: 1111, binary encoding of standard beacon identification is: 1100, performing exclusive-or operation on the binary code 1111 of the beacon identifier fused with the beacon and the binary code 1100 of the standard beacon identifier to obtain an exclusive-or operation result 0011. Because the exclusive or operation result is not 0, the beacon identifier of the fused beacon is not matched with the standard beacon identifier in the base station database.
As another example, if the beacon identification of the fused beacon is 15 and the standard beacon identification is 15, the binary encoding of the beacon identification of the fused beacon is: 1111, binary encoding of standard beacon identification is: 1111, performing exclusive-or operation on the binary code 1111 of the beacon identifier of the fused beacon and the binary code 1111 of the standard beacon identifier, to obtain an exclusive-or operation result of 0. Because the exclusive or operation result is 0, the beacon identifier of the fusion beacon is matched with the standard beacon identifier in the base station database.
S302, determining whether the object carried by the fusion beacon is an effective object according to the matching condition of the beacon identification.
It should be noted that, when it is required to determine whether the object carried by the fused beacon is a valid object, the following may be specifically included: if the beacon identification of the fusion beacon is matched with the standard beacon identification in the base station database, determining that the carrying object of the fusion beacon is an effective object; if the beacon identification of the fusion beacon is not matched with the standard beacon identification in the base station database, determining that the carrying object of the fusion beacon is an invalid object.
According to the tunnel portal object identity recognition method based on the Bluetooth information and the radio frequency information, the consistency of the verification reference data and the current verification data is judged, the integrity and the accuracy of the acquired information are guaranteed, and furthermore, the validity of object identity recognition is guaranteed by judging the matching condition of the beacon identifier of the fusion beacon and the standard beacon identifier in the base station database.
Based on the technical solutions of the above embodiments, the present application further provides an optional embodiment, in which the determining step of the effective object in the step S302 is optimized and improved, so as to implement accurate identification of the object. Referring to the method shown in fig. 4, the method comprises the steps of:
s401, if the carried object is an effective object, matching the object identifier of the carried object with the standard object identifier in the base station database.
The object identifier of the portable object is used for representing information capable of uniquely identifying the fusion beacon, for example, the object identifier of the portable object can be an identity document number of the portable object, a mobile phone number of the portable object, or a work number of the portable object; the standard object identification refers to an object identification stored in advance in the base station database.
In one embodiment of the present application, when the object identifier of the carrying object needs to be matched with the standard object identifier in the base station database, the following may be specifically included: acquiring a binary code of an object identifier of a carrying object and a binary code of a standard object identifier, and further performing exclusive-or operation on the binary code of the object identifier of the carrying object and the binary code of the standard object identifier to obtain an exclusive-or operation result; if the exclusive or operation result is 0, the object identification of the carried object is determined to be matched with the standard object identification in the base station database, and if the exclusive or operation result is not 0, the object identification of the carried object is determined to be not matched with the standard object identification in the base station database.
As an example, if the object carrying object is identified as 67 and the standard beacon is identified as 64, the binary encoding of the beacon identification of the fused beacon is: 1000011, the binary encoding of the standard beacon identification is: 1000000, performing exclusive-or operation on the binary code 1000011 of the beacon identifier of the fused beacon and the binary code 1000000 of the standard beacon identifier to obtain an exclusive-or operation result as follows: 0000011, because the exclusive or operation result is not 0, the matching condition of the object identifier of the carrying object and the standard object identifier in the base station database is not matching.
As another example, if the beacon identification of the fused beacon is 32 and the standard beacon identification is 32, the binary encoding of the beacon identification of the fused beacon is: 100000, binary encoding of standard beacon identification is: 100000, performing exclusive-or operation on the binary code 100000 of the beacon identifier of the fusion beacon and the binary code 100000 of the standard beacon identifier to obtain an exclusive-or operation result as follows: 0, because the exclusive or operation result is 0, the matching condition of the object identification carrying the object and the standard object identification in the base station database is matching.
S402, carrying out object identification on the object carried by the fusion beacon according to the matching condition of the object identification.
In one embodiment of the present application, when object identification needs to be performed on the carrying object of the fused beacon, the following may be specifically included: if the object identification of the carried object is matched with the standard object identification in the base station database, the matching result is used as the object identification result of the carried object; if the object identification of the carried object is not matched with the standard object identification in the base station database, the base station database is indicated that the standard object identification corresponding to the object identification of the carried object does not exist, in this case, the object identification of the carried object can be temporarily stored in the base station database, a management user is reminded to register the corresponding carried object in the standard database, and after the registration is successful, the standard object identification of the carried object is added into the standard database.
According to the tunnel portal object identification method based on the Bluetooth information and the radio frequency information, accurate identification of the object is achieved by judging whether the object identification carrying the object is matched with the standard object identification in the base station database.
Based on the technical solutions of the above embodiments, the present application further provides an optional embodiment, in which the obtaining of the bluetooth information and the radio frequency information in the step S101 is optimized and improved, so as to achieve efficient information obtaining. Referring to the method shown in fig. 5, the method comprises the steps of:
s501, when one of Bluetooth information and radio frequency information sent by a fusion beacon is acquired, the information acquisition frequency of the other information is increased.
The frequency adjustment range of the information acquisition frequency can be determined according to the historical working experience and actual conditions of the staff.
It should be noted that, since the information acquisition frequency is too low, it is easy to cause information omission or a waiting time process, the information acquisition frequency may be dynamically adjusted adaptively.
In one embodiment of the present application, when bluetooth information sent by a fusion beacon is first acquired, the information acquisition frequency of the radio frequency information is increased; when the radio frequency information sent by the fusion beacon is acquired, the information acquisition frequency of the Bluetooth information is increased.
Further, there are many methods for increasing the information acquisition frequency, for example, the information acquisition frequency can be increased to a fixed frequency at one time according to a preset fixed frequency; or, the information acquisition frequency can be uniformly increased in each time step according to the preset time step.
The fixed frequency and the preset time step can be set according to the historical experience of the staff.
S502, when new Bluetooth information or radio frequency information is not acquired within a preset duration range, the information acquisition frequency is reduced.
The preset duration range may be determined according to the historical working experience and actual situation of the staff, for example, the preset duration range may be 20 seconds or 1 minute.
It should be noted that, because the information acquisition frequency is too high, the resource occupation amount and the power consumption of the positioning base station are correspondingly increased, in order to improve the resource utilization rate and save energy and protect environment, when no new bluetooth information or radio frequency information is acquired within the preset duration range, the information acquisition frequency can be properly reduced.
Further, the information acquisition frequency may be turned down by restoring the information acquisition frequency to the initial acquisition frequency, or by adjusting the information acquisition frequency to a frequency slightly higher than the initial acquisition frequency according to the actual situation.
Further, there are many methods for reducing the information acquisition frequency, for example, the information acquisition frequency can be reduced to a fixed frequency at one time according to a preset fixed frequency; or, the information acquisition frequency can be uniformly reduced in each time step according to the preset time step; or, the information acquisition frequency is returned to the initial frequency.
The fixed frequency and the preset time step can be set according to the historical experience of the staff.
According to the tunnel portal object identity recognition method based on the Bluetooth information and the radio frequency information, the information acquisition frequency is adjusted dynamically in an adaptive mode, so that information sent by the fusion beacon at any moment can be comprehensively acquired according to the adjusted information acquisition frequency, and the effect of object identity recognition with high probability is achieved.
In an exemplary embodiment, when the object identity needs to be identified, the following flows may be specifically included, as shown in fig. 6:
s601, bluetooth information and radio frequency information sent by a fusion beacon passing through a tunnel portal are obtained.
For example, there are many signal superposition manners of the bluetooth antenna, for example, a linear polarization manner, a circular polarization manner and an elliptical polarization manner, wherein an example diagram of a linear polarization signal waveform corresponding to the linear polarization manner is shown in fig. 7, an example diagram of a circular polarization signal waveform corresponding to the circular polarization manner is shown in fig. 8, and an example diagram of an elliptical polarization signal waveform corresponding to the elliptical polarization manner is shown in fig. 9.
S602, checking the Bluetooth information and the radio frequency information by adopting a preset checking mode to obtain current checking data.
And S603, if the check reference data is consistent with the current check data, matching the beacon identifier of the fused beacon with the standard beacon identifier in the base station database.
S604, if the beacon identification of the fusion beacon is matched with the standard beacon identification in the base station database, determining that the carrying object of the fusion beacon is an effective object.
S605, if the beacon identification of the fusion beacon is not matched with the standard beacon identification in the base station database, determining that the carrying object of the fusion beacon is an invalid object.
S606, if the carried object is an effective object, matching the object identification of the carried object with the standard object identification in the base station database.
S607, according to the matching condition of the object identification, the object identification is carried out on the object carried by the fusion beacon.
In one embodiment of the present application, initializing a positioning base station is further included; wherein the initializing includes: setting information acquisition frequency of a positioning base station; the positioning base station scans the detection area of the underground tunnel portal through the Bluetooth antenna and the radio frequency antenna simultaneously, judges whether the Bluetooth information and/or the radio frequency information sent by the fusion beacon are detected, if the Bluetooth information and/or the radio frequency information are not detected, continues scanning, and if the Bluetooth information sent by the fusion beacon is detected, the Bluetooth information sent by the fusion beacon is obtained, and meanwhile the information obtaining frequency of the radio frequency information is increased; if the radio frequency information sent by the fusion beacon is detected, the information acquisition frequency of the Bluetooth information is increased at the same time; further, a preset checking mode is adopted to check the Bluetooth information and the radio frequency information, so that current checking data are obtained; further, according to the consistency of the check reference data and the current check data, whether the object carried by the fusion beacon is an effective object or not is determined; and when the new Bluetooth information or the radio frequency information is not acquired within the preset duration range, the information acquisition frequency is reduced.
It should be understood that, although the steps in the flowcharts related to the above embodiments are sequentially shown as indicated by arrows, these steps are not necessarily sequentially performed in the order indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in the flowcharts described in the above embodiments may include a plurality of steps or a plurality of stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of the steps or stages is not necessarily performed sequentially, but may be performed alternately or alternately with at least some of the other steps or stages.
Based on the same inventive concept, the embodiment of the application also provides an object identity recognition device for realizing the tunnel portal object identity recognition method. The implementation of the solution provided by the device is similar to the implementation described in the above method, so the specific limitation in the embodiments of the one or more object identification devices provided below may refer to the limitation of the tunnel portal object identification method hereinabove, and will not be described herein.
In one embodiment, as shown in fig. 10, there is provided a tunnel portal object identification device based on bluetooth information and radio frequency information, including: an information acquisition module 10, a data verification module 20, and an object identification module 30, wherein:
the information acquisition module 10 is used for acquiring Bluetooth information and radio frequency information sent by the fusion beacon passing through the tunnel portal; the radio frequency information comprises check reference data.
The data verification module 20 is configured to verify the bluetooth information and the radio frequency information by adopting a preset verification manner, so as to obtain current verification data; the preset verification mode corresponds to the generation mode of the verification reference data.
The object identifying module 30 is configured to determine whether the object carried by the fused beacon is an effective object according to the condition that the check reference data is consistent with the current check data.
According to the tunnel portal object identity recognition device based on the Bluetooth information and the radio frequency information, the obtained Bluetooth information and the obtained radio frequency information are verified in a preset verification mode, and current verification data are obtained; and determining whether the object carried by the fusion beacon is an effective object according to the consistency of the check reference data and the current check data. In the process, the Bluetooth information and the radio frequency information are checked, wherein the radio frequency information comprises check reference data, and further, the consistency condition of the check reference data and the current check data is judged, so that the integrity and the accuracy of the Bluetooth information and the radio frequency information are ensured, and the validity and the accuracy of the follow-up object identity identification are ensured. In addition, before determining whether the object carried by the fusion beacon is an effective object, the verification process of the Bluetooth information and the radio frequency information is completed, so that the efficiency of the identification of the subsequent object is improved.
In one embodiment, as shown in fig. 11, there is provided a tunnel portal object identification device based on bluetooth information and radio frequency information, in which an object identification module 30 includes: a verification unit 31 and a match identification unit 32, wherein:
and the verification unit 31 is configured to match the beacon identifier of the fused beacon with the standard beacon identifier in the base station database if the verification reference data is consistent with the current verification data.
And the matching recognition unit 32 is configured to determine whether the object carried by the fused beacon is a valid object according to the matching condition of the beacon identifier.
In one embodiment, as shown in fig. 12, there is provided a tunnel portal object identification device based on bluetooth information and radio frequency information, in which the matching identification unit 32 includes: a first determination subunit 321 and a second determination subunit 322, wherein:
the first determining subunit 321 is configured to determine that the object carried by the fused beacon is an effective object if the beacon identifier of the fused beacon matches with the standard beacon identifier in the base station database.
And the second determining subunit 322 is configured to determine that the object carried by the fused beacon is an invalid object if the beacon identifier of the fused beacon does not match the standard beacon identifier in the base station database.
In one embodiment, as shown in fig. 13, there is provided a tunnel portal object identification device based on bluetooth information and radio frequency information, in which the information acquisition module 10 includes: a first frequency adjustment unit 11 and a second frequency adjustment unit 12, wherein:
the first frequency adjustment unit 11 is configured to, when acquiring one of the bluetooth information and the radio frequency information transmitted by the fused beacon, increase the information acquisition frequency of the other information.
The second frequency adjustment unit 12 is configured to lower the information acquisition frequency when no new bluetooth information or no new radio frequency information is acquired within a preset duration range.
The modules in the tunnel portal object identification device based on the Bluetooth information and the radio frequency information can be all or partially realized by software, hardware and a combination thereof. The above modules may be embedded in hardware or independent of the processor in the positioning base station, or may be stored in software in the memory in the positioning base station, so that the processor may invoke and execute the operations corresponding to the above modules.
In one embodiment, a positioning base station is provided, the internal structure of which may be as shown in fig. 14. The positioning base station comprises a processor, a memory, an input/output interface, a communication interface, a display unit and an input device. The processor, the memory and the input/output interface are connected through a system bus, and the communication interface, the display unit and the input device are connected to the system bus through the input/output interface. Wherein the processor of the positioning base station is configured to provide computing and control capabilities. The memory of the positioning base station includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The input/output interface of the positioning base station is used for exchanging information between the processor and the external device. The communication interface of the positioning base station is used for carrying out wired or wireless communication with an external terminal, and the wireless mode can be realized through WIFI, a mobile cellular network, NFC (near field communication) or other technologies. The computer program when executed by the processor is used for realizing a tunnel portal object identification method. The display unit of the positioning base station is used for forming a visual picture, and can be a display screen, a projection device or a virtual reality imaging device. The display screen can be a liquid crystal display screen or an electronic ink display screen, the input device of the positioning base station can be a touch layer covered on the display screen, can also be a key, a track ball or a touch pad arranged on the positioning base station shell, and can also be an external keyboard, a touch pad or a mouse and the like.
It will be appreciated by those skilled in the art that the structure shown in fig. 14 is merely a block diagram of a portion of the structure associated with the present application and is not limiting of the positioning base station to which the present application is applied, and that a particular positioning base station may include more or fewer components than shown, or may combine some of the components, or have a different arrangement of components.
In one embodiment, there is provided a positioning base station comprising a memory and a processor, the memory having stored therein a computer program which when executed by the processor performs the steps of:
acquiring Bluetooth information and radio frequency information sent by a fusion beacon passing through a tunnel portal; the radio frequency information comprises check reference data;
checking the Bluetooth information and the radio frequency information by adopting a preset checking mode to obtain current checking data; wherein, the preset verification mode corresponds to the generation mode of the verification reference data;
and determining whether the object carried by the fusion beacon is an effective object according to the consistency of the check reference data and the current check data.
In one embodiment, the processor when executing the computer program further performs the steps of: if the check reference data is consistent with the current check data, matching the beacon identifier of the fusion beacon with the standard beacon identifier in the base station database; and determining whether the object carried by the fused beacon is an effective object according to the matching condition of the beacon identification.
In one embodiment, the processor when executing the computer program further performs the steps of: if the beacon identification of the fusion beacon is matched with the standard beacon identification in the base station database, determining that the carrying object of the fusion beacon is an effective object; if the beacon identification of the fusion beacon is not matched with the standard beacon identification in the base station database, determining that the carrying object of the fusion beacon is an invalid object.
In one embodiment, the processor when executing the computer program further performs the steps of: if the carried object is an effective object, matching the object identifier of the carried object with the standard object identifier in the base station database; and carrying out object identification on the object carried by the fusion beacon according to the matching condition of the object identification.
In one embodiment, the processor when executing the computer program further performs the steps of: when one of Bluetooth information and radio frequency information sent by the fusion beacon is acquired, the information acquisition frequency of the other information is increased; and when no new Bluetooth information or radio frequency information is acquired within the preset duration range, the information acquisition frequency is reduced.
On the basis of the above embodiments, the application also provides an alternative embodiment. Referring to fig. 15, there is provided a positioning system in which a positioning base station, a fusion beacon, a bluetooth antenna, and a radio frequency antenna as shown in fig. 14 are provided; the Bluetooth antenna is respectively in communication connection with the positioning base station and the fusion beacon; the radio frequency antenna is respectively in communication connection with the positioning base station and the fusion beacon; the fusion beacon is used for sending Bluetooth information and transmitting the Bluetooth information to the positioning base station through the Bluetooth antenna; the fusion beacon is also used for sending radio frequency information and transmitting the radio frequency information to the positioning base station through the radio frequency antenna.
In one embodiment, a readable storage medium is provided having a computer program stored thereon, which when executed by a processor, performs the steps of:
acquiring Bluetooth information and radio frequency information sent by a fusion beacon passing through a tunnel portal; the radio frequency information comprises check reference data;
checking the Bluetooth information and the radio frequency information by adopting a preset checking mode to obtain current checking data; wherein, the preset verification mode corresponds to the generation mode of the verification reference data;
and determining whether the object carried by the fusion beacon is an effective object according to the consistency of the check reference data and the current check data.
In one embodiment, the computer program when executed by the processor further performs the steps of: if the check reference data is consistent with the current check data, matching the beacon identifier of the fusion beacon with the standard beacon identifier in the base station database; and determining whether the object carried by the fused beacon is an effective object according to the matching condition of the beacon identification.
In one embodiment, the computer program when executed by the processor further performs the steps of: if the beacon identification of the fusion beacon is matched with the standard beacon identification in the base station database, determining that the carrying object of the fusion beacon is an effective object; if the beacon identification of the fusion beacon is not matched with the standard beacon identification in the base station database, determining that the carrying object of the fusion beacon is an invalid object.
In one embodiment, the computer program when executed by the processor further performs the steps of: if the carried object is an effective object, matching the object identifier of the carried object with the standard object identifier in the base station database; and carrying out object identification on the object carried by the fusion beacon according to the matching condition of the object identification.
In one embodiment, the computer program when executed by the processor further performs the steps of: when one of Bluetooth information and radio frequency information sent by the fusion beacon is acquired, the information acquisition frequency of the other information is increased; and when no new Bluetooth information or radio frequency information is acquired within the preset duration range, the information acquisition frequency is reduced.
In one embodiment, a program product is provided comprising a computer program which, when executed by a processor, performs the steps of:
acquiring Bluetooth information and radio frequency information sent by a fusion beacon passing through a tunnel portal; the radio frequency information comprises check reference data;
checking the Bluetooth information and the radio frequency information by adopting a preset checking mode to obtain current checking data; wherein, the preset verification mode corresponds to the generation mode of the verification reference data;
And determining whether the object carried by the fusion beacon is an effective object according to the consistency of the check reference data and the current check data.
In one embodiment, the computer program when executed by the processor further performs the steps of: if the check reference data is consistent with the current check data, matching the beacon identifier of the fusion beacon with the standard beacon identifier in the base station database; and determining whether the object carried by the fused beacon is an effective object according to the matching condition of the beacon identification.
In one embodiment, the computer program when executed by the processor further performs the steps of: if the beacon identification of the fusion beacon is matched with the standard beacon identification in the base station database, determining that the carrying object of the fusion beacon is an effective object; if the beacon identification of the fusion beacon is not matched with the standard beacon identification in the base station database, determining that the carrying object of the fusion beacon is an invalid object.
In one embodiment, the computer program when executed by the processor further performs the steps of: if the carried object is an effective object, matching the object identifier of the carried object with the standard object identifier in the base station database; and carrying out object identification on the object carried by the fusion beacon according to the matching condition of the object identification.
In one embodiment, the computer program when executed by the processor further performs the steps of: when one of Bluetooth information and radio frequency information sent by the fusion beacon is acquired, the information acquisition frequency of the other information is increased; and when no new Bluetooth information or radio frequency information is acquired within the preset duration range, the information acquisition frequency is reduced.
It should be noted that, the user information (including, but not limited to, user equipment information, user personal information, etc.) and the data (including, but not limited to, data for analysis, stored data, presented data, etc.) referred to in the present application are information and data authorized by the user or sufficiently authorized by each party, and the collection, use and processing of the related data are required to comply with the related laws and regulations and standards of the related countries and regions.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, data blocks, or other media used in the various embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high density embedded nonvolatile Memory, resistive random access Memory (ReRAM), magnetic random access Memory (Magnetoresistive Random Access Memory, MRAM), ferroelectric Memory (Ferroelectric Random Access Memory, FRAM), phase change Memory (Phase Change Memory, PCM), graphene Memory, and the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory, and the like. By way of illustration, and not limitation, RAM can be in the form of a variety of forms, such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM), and the like. The data blocks referred to in various embodiments provided herein may comprise at least one of relational data blocks and non-relational data blocks. The non-relational data blocks may include, but are not limited to, blockchain-based distributed data blocks, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic units, quantum computing-based data processing logic units, etc., without being limited thereto.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples represent only a few embodiments of the present application, which are described in more detail and are not thereby to be construed as limiting the scope of the present application. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application shall be subject to the appended claims.
Claims (10)
1. The tunnel portal object identification method based on Bluetooth information and radio frequency information is characterized by comprising the following steps:
acquiring Bluetooth information and radio frequency information sent by a fusion beacon passing through a tunnel portal; the radio frequency information comprises check reference data;
checking the Bluetooth information and the radio frequency information by adopting a preset checking mode to obtain current checking data; wherein, the preset verification mode corresponds to the generation mode of the verification reference data;
And determining whether the object carried by the fusion beacon is an effective object according to the consistency condition of the check reference data and the current check data.
2. The method according to claim 1, wherein the bluetooth information and/or the radio frequency information comprises a beacon identification of the fused beacon; correspondingly, the determining whether the object carried by the fusion beacon is an effective object according to the consistency of the check reference data and the current check data comprises the following steps:
if the check reference data is consistent with the current check data, matching the beacon identifier of the fusion beacon with the standard beacon identifier in the base station database;
and determining whether the object carried by the fusion beacon is an effective object according to the matching condition of the beacon identification.
3. The method according to claim 2, wherein the determining whether the object carried by the fused beacon is a valid object according to the matching condition of the beacon identifier includes:
if the beacon identifier of the fusion beacon is matched with the standard beacon identifier in the base station database, determining that the carrying object of the fusion beacon is an effective object;
And if the beacon identifier of the fusion beacon is not matched with the standard beacon identifier in the base station database, determining that the carrying object of the fusion beacon is an invalid object.
4. A method according to any one of claims 1-3, wherein the bluetooth information and/or the radio frequency information further comprises an object identifier of the carrying object; correspondingly, the method further comprises the steps of:
if the carried object is an effective object, matching an object identifier of the carried object with a standard object identifier in a base station database;
and carrying out object identification on the object carried by the fusion beacon according to the matching condition of the object identification.
5. A method according to any one of claims 1-3, wherein said acquiring bluetooth information and radio frequency information transmitted by the fused beacon through the tunnel portal comprises:
when one of Bluetooth information and radio frequency information sent by the fusion beacon is acquired, the information acquisition frequency of the other information is increased;
and when new Bluetooth information or radio frequency information is not acquired within a preset duration range, the information acquisition frequency is reduced.
6. An object identification device based on bluetooth information and radio frequency information, the device comprising:
The information acquisition module is used for acquiring Bluetooth information and radio frequency information sent by the fusion beacon passing through the tunnel portal; the radio frequency information comprises check reference data;
the data verification module is used for verifying the Bluetooth information and the radio frequency information by adopting a preset verification mode to obtain current verification data;
and the object identification module is used for determining whether the object carried by the fusion beacon is an effective object according to the consistency condition of the check reference data and the current check data.
7. A positioning base station comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any of claims 1 to 5 when the computer program is executed.
8. A positioning system, wherein the positioning system is provided with the positioning base station, the fusion beacon, the bluetooth antenna and the radio frequency antenna according to claim 7;
the Bluetooth antenna is respectively in communication connection with the positioning base station and the fusion beacon; the radio frequency antenna is respectively in communication connection with the positioning base station and the fusion beacon;
the fusion beacon is used for sending Bluetooth information and transmitting the Bluetooth information to the positioning base station through the Bluetooth antenna;
The fusion beacon is also used for sending radio frequency information and transmitting the radio frequency information to the positioning base station through the radio frequency antenna.
9. A readable storage medium having stored thereon a computer program, which when executed by a processor, implements the steps of the method of any of claims 1 to 5.
10. A program product comprising a computer program, characterized in that the computer program, when being executed by a processor, realizes the steps of the method according to any one of claims 1 to 5.
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