CN117155746B - Electromagnetic signal combination processing method, system and medium - Google Patents
Electromagnetic signal combination processing method, system and medium Download PDFInfo
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- 238000007781 pre-processing Methods 0.000 claims description 12
- 230000004927 fusion Effects 0.000 claims description 10
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4906—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/24—Classification techniques
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/25—Fusion techniques
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0012—Modulated-carrier systems arrangements for identifying the type of modulation
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The application discloses a method, a system and a medium for combining electromagnetic signals, which mainly relate to the technical field of electromagnetic signal combination and are used for solving the problem that the existing scheme cannot effectively combine signals. Comprising the following steps: classifying the calibration electromagnetic signals, and unifying the same class of calibration electromagnetic signals into a first electromagnetic signal; determining a signal classification packet corresponding to the first electromagnetic signal based on a signal protocol in the first electromagnetic signal; acquiring a source classification standard knowledge base corresponding to the signal classification group, and labeling source data of the first electromagnetic signal based on the source classification standard knowledge base; determining equipment corresponding to the equipment information in the source data, and further determining environment information corresponding to the first electromagnetic signal from cache data corresponding to the equipment based on time information of the first electromagnetic signal; and combining the first electromagnetic signals based on the environment information, the alarm content, the frequency point, the bandwidth, the modulation mode and the frequency band identification ID to obtain final electromagnetic signals.
Description
Technical Field
The present disclosure relates to the field of electromagnetic signal combining technologies, and in particular, to a method, a system, and a medium for combining electromagnetic signals.
Background
With the continuous advancement of informatization construction, the network space is rapidly developed, and the network information security is greatly threatened. However, the information security problem not only exists in the network field contacted by us, but also can cause the information security to be in danger in the fields of electromagnetic radiation leakage, wireless interception and theft, illegal use of mobile terminals and other devices, so that the information security protection of the electromagnetism is also not light.
In order to quickly identify and analyze abnormal signals in real time, a signal fusion technology appears, and the existing signal fusion technology comprises the following steps: CN202010147232.5 is a device for pulse signal fusion between multiple modules, which comprises multiple digital receivers and a signal fusion device, the digital receivers comprise: an AD for converting the pulse analog signal into a pulse digital signal; a signal detector for detecting a pulse signal; and the parameter measurer is used for measuring parameters of the pulse signals. The signal combiner is used for combining signals among a plurality of digital receivers. The problems that the fused pulse signal description words cannot contain the amplitude and the phase of all channels when the pulse signal is near the sensitivity, and the subsequent direction finding precision is reduced or wrong are solved through the multiple digital receivers and the signal fusion device.
However, the existing "signal fusion between multiple digital receivers" mainly includes: after signal data are converged, duplication is removed according to the bandwidth of a frequency point, but the fluctuation of the signals causes less merged data, so that subsequent alarms are increased, real abnormal signals cannot be accurately judged, and the problems of easiness in error judgment, unsatisfactory effect and the like are caused.
Disclosure of Invention
Aiming at the defects in the prior art, the application provides a method, a system and a medium for combining electromagnetic signals, so as to solve the problem that the existing scheme cannot effectively combine signals.
In a first aspect, the present application provides a method for processing electromagnetic signals in a combining manner, where the method includes: acquiring an original electromagnetic signal in a preset time period, and preprocessing the original electromagnetic signal into a calibration electromagnetic signal; the original electromagnetic signal comprises at least: alarm content, RBW, frequency point, bandwidth, modulation mode and frequency band identification ID; classifying the calibration electromagnetic signals based on RBW and bandwidth, and unifying the same class of calibration electromagnetic signals into a first electromagnetic signal; determining a signal classification packet corresponding to the first electromagnetic signal based on a signal protocol in the first electromagnetic signal; acquiring a source classification standard knowledge base corresponding to the signal classification group, and labeling source data of the first electromagnetic signal based on the source classification standard knowledge base; the source classification standard knowledge base corresponds to the source data; determining equipment corresponding to the equipment information in the source data, and further determining environment information corresponding to the first electromagnetic signal from cache data corresponding to the equipment based on time information of the first electromagnetic signal; wherein the environment information includes: task ID, building, floor, conference site; and combining the first electromagnetic signals based on the environment information, the alarm content, the frequency point, the bandwidth, the modulation mode and the frequency band identification ID to obtain final electromagnetic signals.
Further, acquiring an original electromagnetic signal within a preset time period, preprocessing the original electromagnetic signal into a calibrated electromagnetic signal, and specifically comprising: acquiring original electromagnetic signals sent by electromagnetic sensors in a plurality of devices within a preset time period; converting the original electromagnetic signals in a binary form into standard signal data based on preset binary conversion rules corresponding to the electromagnetic sensors; carrying out alignment calibration on the original electromagnetic signals within a preset time period; acquiring a preset signal standard formatting template; and carrying out missing field completion and redundant field removal on the aligned and calibrated electromagnetic signals based on the signal standard formatting template so as to obtain the calibrated electromagnetic signals.
Further, classifying the calibration electromagnetic signals based on the RBW and the bandwidth, and unifying the same class of calibration electromagnetic signals into a first electromagnetic signal, specifically comprising: acquiring RBW and bandwidth of a first input calibration electromagnetic signal, and generating a signal range and a signal set based on a fluctuation value of a preset RBW multiple value and bandwidth; determining whether RBW and bandwidth of a calibration electromagnetic signal input subsequently exist in a signal range, and adding the calibration electromagnetic signal into a signal set corresponding to the signal range when the signal range exists; generating a signal range and a signal set based on the RBW and bandwidth of the current calibrated electromagnetic signal when no conforming signal range exists; obtaining a plurality of signal sets until all the calibrated electromagnetic signals in a preset time period are input; and unifying the calibration electromagnetic signals of the same signal set into the same first electromagnetic signal through correction processing.
Further, the signal protocol includes at least any one or more of the following: a device for generating a signal, a time period for generating the signal, and a signal class; the signal classification packet includes at least: device classification packets, time period classification packets, and signal class classification packets; before determining a signal classification packet corresponding to the first electromagnetic signal based on a signal protocol in the first electromagnetic signal, the method includes: creating a number of device classification packets based on the device from which the signal was generated; creating a number of time period classification packets based on the time periods of signal generation; based on the signal categories, several signal category classification packets are created.
Further, the obtaining the source classification standard knowledge base corresponding to the signal classification group specifically includes: uploading a source classification standard knowledge base corresponding to each signal classification group through a preset back-end interface; the source classification standard knowledge base comprises standard electromagnetic signals and allowable fluctuation ranges corresponding to the standard electromagnetic signals.
Further, labeling the source data of the first electromagnetic signal based on the source classification standard knowledge base specifically comprises: and determining an allowable fluctuation range in which the first electromagnetic signal falls, and annotating source data corresponding to the allowable fluctuation range in which the first electromagnetic signal falls.
Further, the source data includes device information, time information, and signal categories; the equipment caches the corresponding relation among buildings, floors, meeting places and time slots and task IDs; determining equipment corresponding to equipment information in source data, and further determining environment information corresponding to the first electromagnetic signal from cache data corresponding to the equipment based on time information of the first electromagnetic signal, wherein the environment information specifically comprises the following steps: determining equipment corresponding to the first electromagnetic signal based on equipment information in the source data; further obtaining buildings, floors and meeting places corresponding to the first electromagnetic signals from the cache data of the equipment; based on the time information in the source data, the task ID corresponding to the fixed first electromagnetic signal is obtained from the cache data of the equipment.
Further, based on the environmental information, the alarm content, the frequency point, the bandwidth, the modulation mode and the frequency band identification ID, the first electromagnetic signals are combined to obtain final electromagnetic signals, which specifically comprises: the method comprises the steps of converging first electromagnetic signals with the same environment information, alarm content, frequency points, bandwidth, modulation mode and frequency band identification ID into an electromagnetic signal set; acquiring a preset similarity calculation formula corresponding to RBW corresponding to the frequency band identification ID:
calculating the similarity between the first electromagnetic signals in the electromagnetic signal set; wherein (1)>、/>The central frequency point and the bandwidth of the current first electromagnetic signal are used as the central frequency point and the bandwidth of the current first electromagnetic signal; />、/>The method comprises the steps of performing polling comparison on a central frequency point and a bandwidth of a first electromagnetic signal in an electromagnetic signal set; determining that two first electromagnetic signals with similarity larger than a preset threshold value are the same signal; two first electromagnetic signals, which are the same signal, are combined to generate a final electromagnetic signal.
In a second aspect, the present application provides a system for processing electromagnetic signals in combination, the system comprising: the preprocessing module is used for acquiring an original electromagnetic signal in a preset time period and preprocessing the original electromagnetic signal into a calibrated electromagnetic signal; the original electromagnetic signal comprises at least: alarm content, RBW, frequency point, bandwidth, modulation mode and frequency band identification ID; the signal identification module is used for classifying the calibration electromagnetic signals based on RBW and bandwidth and unifying the same type of calibration electromagnetic signals into a first electromagnetic signal; determining a signal classification packet corresponding to the first electromagnetic signal based on a signal protocol in the first electromagnetic signal; acquiring a source classification standard knowledge base corresponding to the signal classification group, and labeling source data of the first electromagnetic signal based on the source classification standard knowledge base; the source classification standard knowledge base corresponds to the source data; determining equipment corresponding to the equipment information in the source data, and further determining environment information corresponding to the first electromagnetic signal from cache data corresponding to the equipment based on time information of the first electromagnetic signal; wherein the environment information includes: task ID, building, floor, conference site; the signal fusion module is used for combining the first electromagnetic signals based on the environment information, the alarm content, the frequency point, the bandwidth, the modulation mode and the frequency band identification ID so as to obtain final electromagnetic signals.
In a third aspect, the present application provides a non-volatile computer storage medium having stored thereon computer instructions which, when executed, implement a method of combining electromagnetic signals as in any of the above.
As can be appreciated by those skilled in the art, the present application has at least the following beneficial effects:
according to the technical scheme, on one hand, the number of signals is reduced through identifying the signals and carrying out relevant processing, and then the order of magnitude of alarming is reduced, so that operators can more accurately conduct treatment and judgment. On the other hand, repeated data are reduced in a large area, so that the system processing is quicker and more accurate, the service architecture is more flexible and complete, and the throughput of the whole processing is improved.
Drawings
Some embodiments of the present disclosure are described below with reference to the accompanying drawings, in which:
fig. 1 is a flowchart of a method for combining electromagnetic signals according to an embodiment of the present application.
Fig. 2 is a schematic diagram of an internal structure of an electromagnetic signal combining processing system according to an embodiment of the present application.
Detailed Description
It should be understood by those skilled in the art that the embodiments described below are only preferred embodiments of the present disclosure, and do not represent that the present disclosure can be realized only by the preferred embodiments, which are merely for explaining the technical principles of the present disclosure, not for limiting the scope of the present disclosure. Based on the preferred embodiments provided by the present disclosure, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort shall still fall within the scope of the present disclosure.
It should also be noted that 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 an element.
The following describes in detail the technical solution proposed in the embodiments of the present application through the accompanying drawings.
The embodiment of the application provides a method for combining and processing electromagnetic signals, as shown in fig. 1, the method provided by the embodiment of the application mainly comprises the following steps:
step 110, acquiring an original electromagnetic signal in a preset time period, and preprocessing the original electromagnetic signal into a calibration electromagnetic signal.
It should be noted that, the original electromagnetic signal is the same as the existing electromagnetic signal, and at least includes: alarm content, RBW (resolving band width resolution bandwidth), frequency point, bandwidth, modulation mode, frequency band identification ID and the like. The frequency band identification ID here is an identification of a frequency band number marked on the original electromagnetic signal by the device that sent the original electromagnetic signal.
As an example, this step may be specifically:
acquiring original electromagnetic signals sent by electromagnetic sensors in a plurality of devices within a preset time period; converting the original electromagnetic signals in a binary form into standard signal data based on preset binary conversion rules corresponding to the electromagnetic sensors; carrying out alignment calibration on the original electromagnetic signals within a preset time period; acquiring a preset signal standard formatting template; and carrying out missing field completion and redundant field removal on the aligned and calibrated electromagnetic signals based on the signal standard formatting template so as to obtain the calibrated electromagnetic signals.
It should be noted that, the specific processes of alignment calibration, missing field completion and redundant field removal may be implemented by the prior art, which is not limited in this application.
Step 120, classifying the calibration electromagnetic signals based on the RBW and the bandwidth, and unifying the same class of calibration electromagnetic signals into a first electromagnetic signal.
The method comprises the following steps:
acquiring RBW and bandwidth of a first input calibration electromagnetic signal, and generating a signal range and a signal set based on a fluctuation value of a preset RBW multiple value and bandwidth; determining whether RBW and bandwidth of a calibration electromagnetic signal input subsequently exist in a signal range, and adding the calibration electromagnetic signal into a signal set corresponding to the signal range when the signal range exists; generating a signal range and a signal set based on the RBW and bandwidth of the current calibrated electromagnetic signal when no conforming signal range exists; obtaining a plurality of signal sets until all the calibrated electromagnetic signals in a preset time period are input; and unifying the calibration electromagnetic signals of the same signal set into the same first electromagnetic signal through correction processing.
When the signal set is generated, the signal set includes a calibration electromagnetic signal that triggers the generating operation. The multiple value of the preset RBW and the fluctuation value of the bandwidth can be determined by a person skilled in the art according to actual situations, and the application is not limited herein. The signal range of coincidence is: the RBW and bandwidth fall within a multiple of the RBW of the signal range and within a fluctuation of the bandwidth. The correction processing can be realized by the existing method by unifying the calibrated electromagnetic signals of the same signal set into the same first electromagnetic signal, and the specific method for unifying the correction processing into the same first electromagnetic signal is not limited.
Step 130, determining a signal classification packet corresponding to the first electromagnetic signal based on a signal protocol in the first electromagnetic signal; acquiring a source classification standard knowledge base corresponding to the signal classification group, and labeling source data of the first electromagnetic signal based on the source classification standard knowledge base; the source classification standard knowledge base corresponds to the source data.
It should be noted that, the signal classification packets are preset by those skilled in the art according to the signal protocol. The signal protocol includes at least any one or more of the following: a device for generating a signal, a time period for generating the signal, and a signal class; the signal classification packet includes at least: device classification packets, time period classification packets, and signal class classification packets. The source data includes generation device information, generation time information, and a signal class of the first electromagnetic signal corresponding to the first electromagnetic signal.
The application can be used for creating signal classification packets, and specifically can be as follows:
creating a number of device classification packets based on the device from which the signal was generated; creating a number of time period classification packets based on the time periods of signal generation; based on the signal categories, several signal category classification packets are created.
It should be added that the specific number of devices generated by the signal in the device classification packets is determined. The number of time period classification packets is determined by a number of time period divisions preset by a person skilled in the art. The number of the signal category classification groups is determined by a preset number of signal categories, and the signal categories at least comprise: WIFI, bluetooth, broadcast television, trunked communications, mobile communications, etc.
The obtaining a source classification standard knowledge base corresponding to the signal classification group may specifically be:
uploading a source classification standard knowledge base corresponding to each signal classification group through a preset back-end interface; the source classification standard knowledge base comprises standard electromagnetic signals and allowable fluctuation ranges corresponding to the standard electromagnetic signals.
It should be noted that the allowable fluctuation range is a preset value for those skilled in the art.
The labeling of the source data of the first electromagnetic signal based on the source classification standard knowledge base may specifically be:
and determining an allowable fluctuation range in which the first electromagnetic signal falls, and annotating source data corresponding to the allowable fluctuation range in which the first electromagnetic signal falls.
Step 140, determining the device corresponding to the device information in the source data, and further determining the environment information corresponding to the first electromagnetic signal from the cache data corresponding to the device based on the time information of the first electromagnetic signal.
The environment information includes: task ID, building, floor, venue. The source data includes device information, time information, and signal categories; the corresponding relation between the building, the floor, the meeting place and the time period and the task ID is cached in the equipment corresponding to the equipment information. The task ID is a preset task ID corresponding to the device in the time period.
As an example, this step may be specifically:
determining equipment corresponding to the first electromagnetic signal based on equipment information in the source data; further obtaining buildings, floors and meeting places corresponding to the first electromagnetic signals from the cache data of the equipment; based on the time information in the source data, the task ID corresponding to the fixed first electromagnetic signal is obtained from the cache data of the equipment.
Step 150, combining the first electromagnetic signals based on the environmental information, the alarm content, the frequency point, the bandwidth, the modulation mode and the frequency band identification ID to obtain final electromagnetic signals.
As an example, this step may be specifically:
the method comprises the steps of converging first electromagnetic signals with the same environment information, alarm content, frequency points, bandwidth, modulation mode and frequency band identification ID into an electromagnetic signal set; acquiring a preset similarity calculation formula corresponding to RBW corresponding to the frequency band identification ID:
calculating the similarity between the first electromagnetic signals in the electromagnetic signal set; wherein (1)>、/>The central frequency point and the bandwidth of the current first electromagnetic signal are used as the central frequency point and the bandwidth of the current first electromagnetic signal; />、/>The method comprises the steps of performing polling comparison on a central frequency point and a bandwidth of a first electromagnetic signal in an electromagnetic signal set; determining that two first electromagnetic signals with similarity larger than a preset threshold value are the same signal; two first electromagnetic signals, which are the same signal, are combined to generate a final electromagnetic signal.
It should be noted that, the specific method for combining two signals into one signal may be implemented by the prior art, which is not limited in this application.
In addition, fig. 2 is a schematic diagram of a system for combining electromagnetic signals according to an embodiment of the present application. As shown in fig. 2, the system provided in the embodiment of the present application mainly includes:
the preprocessing module 210 is configured to obtain an original electromagnetic signal within a preset time period, and preprocess the original electromagnetic signal into a calibration electromagnetic signal.
It should be noted that, the preprocessing module 210 is any feasible device or apparatus capable of acquiring the original electromagnetic signal within the preset period of time, and preprocessing the original electromagnetic signal into the calibrated electromagnetic signal. The original electromagnetic signal comprises at least: alarm content, RBW, frequency point, bandwidth, modulation mode and frequency band identification ID.
The signal identifying module 220 is configured to classify the calibration electromagnetic signals based on RBW and bandwidth, and unify the same type of calibration electromagnetic signals into a first electromagnetic signal; determining a signal classification packet corresponding to the first electromagnetic signal based on a signal protocol in the first electromagnetic signal; acquiring a source classification standard knowledge base corresponding to the signal classification group, and labeling source data of the first electromagnetic signal based on the source classification standard knowledge base; the source classification standard knowledge base corresponds to the source data; and determining equipment corresponding to the equipment information in the source data, and further determining environment information corresponding to the first electromagnetic signal from cache data corresponding to the equipment based on the time information of the first electromagnetic signal.
It should be noted that, the signal identifying module 220 is any feasible device or apparatus capable of unifying the same kind of calibration electromagnetic signals into a first electromagnetic signal, determining a signal classification group corresponding to the first electromagnetic signal, labeling source data of the first electromagnetic signal based on a source classification standard knowledge base, determining environmental information corresponding to the first electromagnetic signal, and the like. Wherein the environment information includes: task ID, building, floor, venue.
The signal fusion module 230 is configured to combine the first electromagnetic signals based on the environmental information, the alarm content, the frequency point, the bandwidth, the modulation mode, and the frequency band ID, so as to obtain a final electromagnetic signal.
It should be noted that, the signal fusion module 230 is any feasible device or apparatus capable of combining the first electromagnetic signals based on the environmental information, the alarm content, the frequency point, the bandwidth, the modulation mode, the frequency band ID, so as to obtain the final electromagnetic signal.
In addition, the embodiment of the application also provides a nonvolatile computer storage medium, on which executable instructions are stored, and when the executable instructions are executed, the method for combining and processing electromagnetic signals is realized.
Thus far, the technical solution of the present disclosure has been described in connection with the foregoing embodiments, but it is easily understood by those skilled in the art that the protective scope of the present disclosure is not limited to only these specific embodiments. The technical solutions in the above embodiments may be split and combined by those skilled in the art without departing from the technical principles of the present disclosure, and equivalent modifications or substitutions may be made to related technical features, which all fall within the scope of the present disclosure.
Claims (9)
1. A method for combining electromagnetic signals, the method comprising:
acquiring an original electromagnetic signal in a preset time period, and preprocessing the original electromagnetic signal into a calibration electromagnetic signal; the original electromagnetic signal comprises at least: alarm content, RBW, frequency point, bandwidth, modulation mode and frequency band identification ID;
classifying the calibration electromagnetic signals based on RBW and bandwidth, and unifying the same class of calibration electromagnetic signals into a first electromagnetic signal; the method specifically comprises the following steps:
acquiring RBW and bandwidth of a first input calibration electromagnetic signal, and generating a signal range and a signal set based on a fluctuation value of a preset RBW multiple value and bandwidth; determining whether RBW and bandwidth of a calibration electromagnetic signal input subsequently exist in a signal range, and adding the calibration electromagnetic signal into a signal set corresponding to the signal range when the signal range exists; generating a signal range and a signal set based on the RBW and bandwidth of the current calibrated electromagnetic signal when no conforming signal range exists; obtaining a plurality of signal sets until all the calibrated electromagnetic signals in a preset time period are input; the calibration electromagnetic signals of the same signal set are unified into the same first electromagnetic signal through correction processing;
determining a signal classification packet corresponding to the first electromagnetic signal based on a signal protocol in the first electromagnetic signal; acquiring a source classification standard knowledge base corresponding to the signal classification group, and labeling source data of the first electromagnetic signal based on the source classification standard knowledge base; the source classification standard knowledge base corresponds to the source data;
determining equipment corresponding to the equipment information in the source data, and further determining environment information corresponding to the first electromagnetic signal from cache data corresponding to the equipment based on time information of the first electromagnetic signal; wherein the environment information includes: task ID, building, floor, conference site;
and combining the first electromagnetic signals based on the environment information, the alarm content, the frequency point, the bandwidth, the modulation mode and the frequency band identification ID to obtain final electromagnetic signals.
2. The method for combining electromagnetic signals according to claim 1, wherein the step of obtaining an original electromagnetic signal within a predetermined period of time, and preprocessing the original electromagnetic signal into a calibrated electromagnetic signal, comprises:
acquiring original electromagnetic signals sent by electromagnetic sensors in a plurality of devices within a preset time period;
converting the original electromagnetic signals in a binary form into standard signal data based on preset binary conversion rules corresponding to the electromagnetic sensors; carrying out alignment calibration on the original electromagnetic signals within a preset time period;
acquiring a preset signal standard formatting template; and carrying out missing field completion and redundant field removal on the aligned and calibrated electromagnetic signals based on the signal standard formatting template so as to obtain the calibrated electromagnetic signals.
3. The method of claim 1, wherein the signal protocol includes at least any one or more of: a device for generating a signal, a time period for generating the signal, and a signal class; the signal classification packet includes at least: device classification packets, time period classification packets, and signal class classification packets;
before determining a signal classification packet corresponding to the first electromagnetic signal based on a signal protocol in the first electromagnetic signal, the method includes:
creating a number of device classification packets based on the device from which the signal was generated;
creating a number of time period classification packets based on the time periods of signal generation;
based on the signal categories, several signal category classification packets are created.
4. The method for merging electromagnetic signals according to claim 1, wherein obtaining a source classification standard knowledge base corresponding to the signal classification group specifically comprises:
uploading a source classification standard knowledge base corresponding to each signal classification group through a preset back-end interface; the source classification standard knowledge base comprises standard electromagnetic signals and allowable fluctuation ranges corresponding to the standard electromagnetic signals.
5. The method for merging electromagnetic signals according to claim 4, wherein labeling the source data of the first electromagnetic signal based on the source classification standard knowledge base specifically comprises:
and determining an allowable fluctuation range in which the first electromagnetic signal falls, and annotating source data corresponding to the allowable fluctuation range in which the first electromagnetic signal falls.
6. The method of claim 1, wherein the source data includes device information, time information, and signal class; the equipment caches the corresponding relation among buildings, floors, meeting places and time slots and task IDs;
determining equipment corresponding to equipment information in source data, and further determining environment information corresponding to the first electromagnetic signal from cache data corresponding to the equipment based on time information of the first electromagnetic signal, wherein the environment information specifically comprises the following steps:
determining equipment corresponding to the first electromagnetic signal based on equipment information in the source data; further obtaining buildings, floors and meeting places corresponding to the first electromagnetic signals from the cache data of the equipment;
based on the time information in the source data, the task ID corresponding to the fixed first electromagnetic signal is obtained from the cache data of the equipment.
7. The method for combining electromagnetic signals according to claim 1, wherein combining the first electromagnetic signal based on the environmental information, the alarm content, the frequency point, the bandwidth, the modulation scheme, and the frequency band identification ID to obtain the final electromagnetic signal specifically includes:
the method comprises the steps of converging first electromagnetic signals with the same environment information, alarm content, frequency points, bandwidth, modulation mode and frequency band identification ID into an electromagnetic signal set;
acquiring a preset similarity calculation formula corresponding to RBW corresponding to the frequency band identification ID:
calculating the similarity between the first electromagnetic signals in the electromagnetic signal set;
wherein,、/>the central frequency point and the bandwidth of the current first electromagnetic signal are used as the central frequency point and the bandwidth of the current first electromagnetic signal; />、/>The method comprises the steps of performing polling comparison on a central frequency point and a bandwidth of a first electromagnetic signal in an electromagnetic signal set;
determining that two first electromagnetic signals with similarity larger than a preset threshold value are the same signal;
two first electromagnetic signals, which are the same signal, are combined to generate a final electromagnetic signal.
8. A system for combining electromagnetic signals, the system comprising:
the preprocessing module is used for acquiring an original electromagnetic signal in a preset time period and preprocessing the original electromagnetic signal into a calibrated electromagnetic signal; the original electromagnetic signal comprises at least: alarm content, RBW, frequency point, bandwidth, modulation mode and frequency band identification ID;
the signal identification module is used for classifying the calibration electromagnetic signals based on RBW and bandwidth and unifying the same type of calibration electromagnetic signals into a first electromagnetic signal; the method specifically comprises the following steps:
acquiring RBW and bandwidth of a first input calibration electromagnetic signal, and generating a signal range and a signal set based on a fluctuation value of a preset RBW multiple value and bandwidth; determining whether RBW and bandwidth of a calibration electromagnetic signal input subsequently exist in a signal range, and adding the calibration electromagnetic signal into a signal set corresponding to the signal range when the signal range exists; generating a signal range and a signal set based on the RBW and bandwidth of the current calibrated electromagnetic signal when no conforming signal range exists; obtaining a plurality of signal sets until all the calibrated electromagnetic signals in a preset time period are input; the calibration electromagnetic signals of the same signal set are unified into the same first electromagnetic signal through correction processing; determining a signal classification packet corresponding to the first electromagnetic signal based on a signal protocol in the first electromagnetic signal; acquiring a source classification standard knowledge base corresponding to the signal classification group, and labeling source data of the first electromagnetic signal based on the source classification standard knowledge base; the source classification standard knowledge base corresponds to the source data; determining equipment corresponding to the equipment information in the source data, and further determining environment information corresponding to the first electromagnetic signal from cache data corresponding to the equipment based on time information of the first electromagnetic signal; wherein the environment information includes: task ID, building, floor, conference site;
the signal fusion module is used for combining the first electromagnetic signals based on the environment information, the alarm content, the frequency point, the bandwidth, the modulation mode and the frequency band identification ID so as to obtain final electromagnetic signals.
9. A non-transitory computer storage medium having stored thereon computer instructions which, when executed, implement a method of combining electromagnetic signals as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311424061.6A CN117155746B (en) | 2023-10-31 | 2023-10-31 | Electromagnetic signal combination processing method, system and medium |
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