CN108055088A - Monitoring method, device and the radio monitoring equipment of abnormal radio signal - Google Patents
Monitoring method, device and the radio monitoring equipment of abnormal radio signal Download PDFInfo
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- CN108055088A CN108055088A CN201711153417.1A CN201711153417A CN108055088A CN 108055088 A CN108055088 A CN 108055088A CN 201711153417 A CN201711153417 A CN 201711153417A CN 108055088 A CN108055088 A CN 108055088A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The present invention is suitable for radio monitoring field, provides a kind of monitoring method, device and the radio monitoring equipment of abnormal radio signal.The described method includes：Using the level Value Data of the optional frequency radio signal in preset signals level range as bulk analysis source, the level Value Data of the optional frequency radio signal of preset signals level range is divided into multiple fragment analysis sources by preset signals level spacing；The occurrence number of each level in each fragment analysis source is counted, obtains maximum occurrence number and minimum occurrence number；Calculate the ratio of maximum occurrence number and minimum occurrence number in each fragment analysis source；If ratio is more than default ratio, judge that the radio signal that ratio is more than the fragment analysis source respective frequencies of default ratio is trigger signal, i.e., abnormal radio signal.The present invention can more rationally, quickly and accurately find out potential difference signal, to examination hall monitoring and activity ensure it is particularly important, adapt to the future developing trend of radio monitoring.
Description
Technical field
The invention belongs to radio monitoring field more particularly to a kind of monitoring method of abnormal radio signal, device and
Radio monitoring equipment.
Background technology
With the development of modern communication technology, the means of cheating at one's exam constantly update, and increasingly with high-tech content, present special
Industry, grouping of the world economy situation, cheating will carry out a time consuming new trial of strength with anti-cheating, and also challenge traditional examination management mould
Formula.High-tech fraudulent means are applied not only to the examinations such as judicial examination, college entrance examination, social certificate and qualification demonstration, have also come into all kinds of
Colleges and universities seriously destroy fair and just examination surroundings, great negative effect are brought to society.High-tech in all kinds of examinations
Skill fraudulent means mainly carry out cheating activity using radiotechnics.Therefore, strengthen the radio monitoring to examination hall, take precautions against profit
Being taken an exam with radio means, cheating activity is extremely urgent, and radio control department is faced with new challenges, to radio monitoring
Work proposes higher requirement.
The method of the abnormal radio signal of prior art monitoring, typically gathers the signal background noise in a period of time,
The statistical sample thresholding in this section of time range is generated, real time monitoring signals level and sample of signal maximum are compared, found out
Beyond the abnormal signal of sample.However, the method for the abnormal radio signal of prior art monitoring only judges according to sample maximum
Signal difference is not suitable for the big signal of the amplitudes of variation such as instantaneous signal, jump signal.
The content of the invention
It is an object of the invention to provide a kind of monitoring of abnormal radio signal and intervention processing method, device, calculating
Machine readable storage medium storing program for executing and radio monitoring equipment, it is intended to solve the method basis of the abnormal radio signal of prior art monitoring
Sample maximum judges signal difference, the problem of not being suitable for the amplitudes of variation such as instantaneous signal, jump signal big signal.
In a first aspect, the present invention provides a kind of monitoring method of abnormal radio signal, the described method includes：
It, will be pre- using the level Value Data of the optional frequency radio signal in preset signals level range as bulk analysis source
If the level Value Data of the optional frequency radio signal of signal level range is divided into multiple by preset signals level spacing
Fragment analysis source；
The occurrence number of each level in each fragment analysis source is counted, maximum occurrence number is obtained and minimum goes out occurrence
Number；
Calculate the ratio of maximum occurrence number and minimum occurrence number in each fragment analysis source；
If ratio is more than default ratio, judge that ratio is more than the wireless of the fragment analysis source respective frequencies of default ratio
Electric signal is trigger signal, i.e., abnormal radio signal.
Second aspect, the present invention provides a kind of monitoring device of abnormal radio signal, described device includes：
Fragment analysis source division module, for the level of the optional frequency radio signal in preset signals level range
Value Data is as bulk analysis source, by the level Value Data of the optional frequency radio signal of preset signals level range by default letter
Number level spacing is divided into multiple fragment analysis sources；
Statistical module for counting the occurrence number of each level in each fragment analysis source, obtains maximum occurrence number
With minimum occurrence number；
Computing module, for calculating the ratio of maximum occurrence number and minimum occurrence number in each fragment analysis source；
Determination module if being more than default ratio for ratio, judges that ratio is more than the fragment analysis source of default ratio
The radio signal of respective frequencies is trigger signal, i.e., abnormal radio signal.
The third aspect, the present invention provides a kind of computer readable storage medium, the computer readable storage medium is deposited
Computer program is contained, the monitoring side of abnormal radio signal described above is realized when the computer program is executed by processor
The step of method.
Fourth aspect, the present invention provides a kind of radio monitoring equipment, including：
One or more processors；
Memory；And
One or more computer programs, wherein one or more of computer programs are stored in the memory
In, and be configured to be performed by one or more of processors, which is characterized in that the processor performs the computer
The step of monitoring method of abnormal radio signal described above is realized during program.
5th aspect, the present invention provides a kind of intervention processing method of abnormal radio signal, the described method includes：
When carrying out intervening processing to the abnormal radio signal that the monitoring method of above-mentioned abnormal radio signal judges, with
Centered on the basic frequency signal of abnormal radio signal, the channel of basic frequency signal or so step-length is used as same after intelligence is legal
One signal processing；
Improve the sample threshold value of each frequency point.
6th aspect, the present invention provides a kind of computer readable storage medium, the computer readable storage medium is deposited
Computer program is contained, at the intervention that abnormal radio signal described above is realized when the computer program is executed by processor
The step of reason method.
7th aspect, the present invention provides a kind of radio monitoring equipment, including：
One or more processors；
Memory；And
One or more computer programs, wherein one or more of computer programs are stored in the memory
In, and be configured to be performed by one or more of processors, the processor is realized when performing the computer program
The step of intervention processing method of exception radio signal described above.
In the present invention, it is pre- since the level Value Data of the optional frequency radio signal of preset signals level range being pressed
If signal level interval is divided into multiple fragment analysis sources；Judge that maximum occurrence number and minimum go out in each fragment analysis source
The radio signal that the ratio of occurrence number is more than the fragment analysis source respective frequencies of default ratio is trigger signal, i.e., abnormal wireless
Electric signal.Spectrum signal is analyzed so as to fulfill comprehensive, the single cumbersome logic of former scanning analysis is simplified, more closes
Reason quickly and accurately finds out potential difference signal, and realizes the automatic monitoring intervention to signal, improves sample of signal
Accuracy, quickly to screen abnormal signal, improve the real-time of signal processing, to examination hall monitoring and activity ensure particularly
It is important, adapt to the future developing trend of radio monitoring.
Description of the drawings
Fig. 1 is the flow chart of the monitoring method for the abnormal radio signal that the embodiment of the present invention one provides.
Fig. 2 is the normal radio signal level distribution schematic diagram of difference in the embodiment of the present invention one.
Fig. 3 is the functional block diagram of the monitoring device of abnormal radio signal provided by Embodiment 2 of the present invention.
Fig. 4 is the concrete structure block diagram for the radio monitoring equipment that the embodiment of the present invention four provides.
Fig. 5 is the flow chart of the intervention processing method for the abnormal radio signal that the embodiment of the present invention five provides.
Fig. 6 is signal spectrum monitoring schematic diagram in the embodiment of the present invention five.
Fig. 7 is the concrete structure block diagram for the radio monitoring equipment that the embodiment of the present invention seven provides.
Specific embodiment
In order to which the purpose of the present invention, technical solution and advantageous effect is more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.
In order to illustrate technical solutions according to the invention, illustrated below by specific embodiment.
Embodiment one：
Referring to Fig. 1, the monitoring method for the abnormal radio signal that the embodiment of the present invention one provides comprises the following steps：It needs
If it is noted that have substantially the same as a result, the monitoring method of abnormal radio signal of the invention is not with shown in FIG. 1
Flow order is limited.
S101, using the level Value Data of the optional frequency radio signal in preset signals level range as bulk analysis
The level Value Data of the optional frequency radio signal of preset signals level range is pressed preset signals level spacing average mark by source
Into multiple fragment analysis sources；
For example, preset signals level range is -30~120dbuv, preset signals level spacing is 10, i.e., with 150 numbers
According to as bulk analysis source, the level Value Data of the optional frequency radio signal of preset signals level range is pressed into level by greatly extremely
Small order takes the data of default quantity as a fragment analysis source, by the optional frequency radio of preset signals level range
The level Value Data of signal is divided into multiple fragment analysis sources by preset signals level spacing, for example, by 150 data by electricity
Flat order from large to small takes 10 data that 150 data are divided into 15 fragment analysis as a fragment analysis source
Source.It is as shown in the table.
| Level | Occurrence number | Probability of occurrence |
| 120 | 0 | 0% |
| 119 | 0 | 0% |
| 。。。 | 。。。 | 。。。 |
| 50 | 3 | 0.1% |
| 。。。 | 。。。 | 。。。 |
| 40 | 30 | 1% |
| 。。。 | 。。。 | 。。。 |
| 10 | 100 | 3% |
| 。。。 | 。。。 | 。。。 |
| -30 | 0 | 0% |
The occurrence number of each level, obtains maximum occurrence number and minimum goes out in S102, each fragment analysis source of statistics
Occurrence number.
S103, the ratio of maximum occurrence number and minimum occurrence number in each fragment analysis source is calculated.
If S104, ratio are more than default ratio, judge that ratio is more than the fragment analysis source respective frequencies of default ratio
Radio signal for trigger signal, i.e. exception radio signal.
For example, default ratio is 10, then in fragment analysis source (50,40), maximum occurrence number and minimum occurrence number
Ratio=30/3>=10, then the radio signal for judging fragment analysis source (50,40) respective frequencies is trigger signal.
This kind of trigger signal, is abscissa by ordinate, occurrence number of level, and trigger signal can form class in two dimension
S types rule is distributed, and this kind of trigger signal greater probability is abnormal radio signal.As shown in Fig. 2, by entire level dynamic range
It is divided into several sections：[-30,-10]：Di Zao areas, in no signal condition；[-10,10]：Normal signal area, signal are in just
Normal emission state；[10,30]：Skip zone, signal can fall on the region when normally switching between triggering；[30,40]：Triggering
Area, signal are triggered rapidly from normal condition to strong emission state.
In the embodiment of the present invention one, before S101, the method can also comprise the following steps：
Signal templates are created, signal templates include the reference sample of signal intermediate frequency frequency spectrum.
After S103, if the ratio of the maximum occurrence number in all fragment analysis sources and minimum occurrence number is both less than
Default ratio, then compare signal and reference sample maximum, if greater than reference sample maximum, then judge that signal is
Trigger signal, i.e., abnormal radio signal.
Embodiment two：
Referring to Fig. 3, the monitoring device of exception radio signal provided by Embodiment 2 of the present invention includes：
Fragment analysis source division module 11, for the electricity of the optional frequency radio signal in preset signals level range
Level values data are as bulk analysis source, by the level Value Data of the optional frequency radio signal of preset signals level range by default
Signal level interval is divided into multiple fragment analysis sources；
Statistical module 12 for counting the occurrence number of each level in each fragment analysis source, obtains maximum and goes out occurrence
Number and minimum occurrence number；
Computing module 13, for calculating the ratio of maximum occurrence number and minimum occurrence number in each fragment analysis source；
Determination module 14 if being more than default ratio for ratio, judges that ratio is more than the fragment analysis of default ratio
The radio signal of source respective frequencies is trigger signal, i.e., abnormal radio signal.
The monitoring device and the embodiment of the present invention one of exception radio signal provided by Embodiment 2 of the present invention provide different
The monitoring method of normal radio signal belongs to same design, and specific implementation process refers to specification full text, and details are not described herein again.
Embodiment three：
The embodiment of the present invention three provides a kind of computer readable storage medium, the computer-readable recording medium storage
There is computer program, the abnormal radio provided such as the embodiment of the present invention one is provided when the computer program is executed by processor
The step of monitoring method of signal.
Example IV：
Fig. 4 shows the concrete structure block diagram for the radio monitoring equipment that the embodiment of the present invention four provides, a kind of radio
Monitoring device 100 includes：One or more processors 101, memory 102 and one or more computer programs, wherein institute
It states processor 101 to connect by bus with the memory 102, one or more of computer programs are stored in described deposit
It in reservoir 102, and is configured to be performed by one or more of processors 101, the processor 101 performs the calculating
The step of monitoring method of the abnormal radio signal provided such as the embodiment of the present invention one is provided during machine program.
Embodiment five：
Referring to Fig. 5, the intervention processing method for the abnormal radio signal that the embodiment of the present invention five provides includes following step
Suddenly：If it is noted that have it is substantially the same as a result, abnormal radio signal of the invention intervention processing method not with
Flow order shown in Fig. 5 is limited.
S201, the abnormal aerogram judged the monitoring method of the abnormal radio signal of the offer of the embodiment of the present invention one
When number carrying out intervening processing, centered on the basic frequency signal of abnormal radio signal, by the letter of basic frequency signal or so step-length
Road is used as same signal processing after intelligence is legal.
In the embodiment of the present invention five, the intelligence is legal to be specially：By comparing the level value of channel and master in step-length
The level value of frequency, if less than the level value of basic frequency, then it is assumed that be same signal.
Referring to Fig. 6, each frequency point is abnormal radio signal, by taking 97.1MHz main signals as an example, legal processes are made to it
When, comparison signal can be searched to both ends, is abnormal radio signal and compares the level of signal less than current letter when comparing signal
Number level, then judge compare signal be signal in the bandwidth of main frequency signal.It is as shown in the table：
By compare, judge compare signal 97,97.2,97.3 be 97.1 bandwidth in signal, intelligence it is legal after, these
Signal is legal signal.
S202, the sample threshold value for improving each frequency point.
In the embodiment of the present invention five, S202 is specially：
The sample threshold value of each frequency point of manual setting is received, is typically integrally floated for the sample threshold value of each frequency point
It improves.
Embodiment six：
The embodiment of the present invention six provides a kind of computer readable storage medium, the computer-readable recording medium storage
There is computer program, the abnormal radio provided such as the embodiment of the present invention five is provided when the computer program is executed by processor
The step of intervention processing method of signal.
Embodiment seven：
Fig. 7 shows the concrete structure block diagram for the radio monitoring equipment that the embodiment of the present invention eight provides, a kind of radio
Monitoring device 200 includes：One or more processors 201, memory 202 and one or more computer programs, wherein institute
It states processor 201 to connect by bus with the memory 202, one or more of computer programs are stored in described deposit
It in reservoir 202, and is configured to be performed by one or more of processors 201, the processor 201 performs the calculating
The step of intervention processing method of the abnormal radio signal provided such as the embodiment of the present invention five is provided during machine program.
In embodiments of the present invention, due to by the level value number of the optional frequency radio signal of preset signals level range
Multiple fragment analysis sources are divided into according to by preset signals level spacing；Judge in each fragment analysis source maximum occurrence number and
The radio signal that the ratio of minimum occurrence number is more than the fragment analysis source respective frequencies of default ratio is trigger signal, i.e., different
Normal radio signal.Spectrum signal is analyzed so as to fulfill comprehensive, simplifies the single cumbersome logic of former scanning analysis,
More rationally, potential difference signal is quickly and accurately found out, and realizes the automatic monitoring intervention to signal, improve signal
The accuracy of sample quickly to screen abnormal signal, improves the real-time of signal processing, and examination hall monitoring and activity are ensured
It is particularly important, adapt to the future developing trend of radio monitoring.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
Relevant hardware to be instructed to complete by program, which can be stored in a computer readable storage medium, storage
Medium can include：Read-only memory (ROM, Read Only Memory), random access memory (RAM, Random
Access Memory), disk or CD etc..
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of monitoring method of exception radio signal, which is characterized in that the described method includes：
Using the level Value Data of the optional frequency radio signal in preset signals level range as bulk analysis source, by default letter
The level Value Data of the optional frequency radio signal of number level range is divided into multiple segments by preset signals level spacing
Analysis source；
The occurrence number of each level in each fragment analysis source is counted, obtains maximum occurrence number and minimum occurrence number；
Calculate the ratio of maximum occurrence number and minimum occurrence number in each fragment analysis source；
If ratio is more than default ratio, judge that ratio is more than the aerogram of the fragment analysis source respective frequencies of default ratio
Number for trigger signal, i.e. exception radio signal.
2. the method as described in claim 1, which is characterized in that described wireless with the optional frequency in preset signals level range
The level Value Data of electric signal is as bulk analysis source, by the level value of the optional frequency radio signal of preset signals level range
Before data are divided into multiple fragment analysis sources by preset signals level spacing, the method further includes：
Signal templates are created, signal templates include the reference sample of signal intermediate frequency frequency spectrum.
3. the method as described in claim 1, which is characterized in that described wireless with the optional frequency in preset signals level range
The level Value Data of electric signal is as bulk analysis source, by the level value of the optional frequency radio signal of preset signals level range
Data are divided into multiple fragment analysis sources by preset signals level spacing：
Using the level Value Data of the optional frequency radio signal in preset signals level range as bulk analysis source, by default letter
The level Value Data of the optional frequency radio signal of number level range is taken the number of default quantity by the order of level from large to small
According to as a fragment analysis source, the level Value Data of the optional frequency radio signal of preset signals level range is pressed default
Signal level interval is divided into multiple fragment analysis sources.
4. the method as described in claim 1, which is characterized in that it is described calculate in each fragment analysis source maximum occurrence number and
After the ratio of minimum occurrence number, the method further includes：
If the both less than default ratio of the ratio of the maximum occurrence number in all fragment analysis sources and minimum occurrence number, will letter
It number is compared with reference sample maximum, if greater than reference sample maximum, then judges signal for trigger signal, i.e., it is abnormal
Radio signal.
5. a kind of monitoring device of exception radio signal, which is characterized in that described device includes：
Fragment analysis source division module, for the level value number of the optional frequency radio signal in preset signals level range
According to as bulk analysis source, the level Value Data of the optional frequency radio signal of preset signals level range is pressed into preset signals electricity
Flat interval is divided into multiple fragment analysis sources；
Statistical module for counting the occurrence number of each level in each fragment analysis source, obtains maximum occurrence number and most
Small occurrence number；
Computing module, for calculating the ratio of maximum occurrence number and minimum occurrence number in each fragment analysis source；
Determination module if being more than default ratio for ratio, judges that ratio is more than the fragment analysis source correspondence of default ratio
The radio signal of frequency is trigger signal, i.e., abnormal radio signal.
6. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In realization is such as Claims 1-4 any one of them exception radio signal when the computer program is executed by processor
The step of monitoring method.
7. a kind of radio monitoring equipment, including：
One or more processors；
Memory；And
One or more computer programs, wherein one or more of computer programs are stored in the memory, and
It and is configured to be performed by one or more of processors, which is characterized in that the processor performs the computer program
The step of Shi Shixian such as monitoring methods of Claims 1-4 any one of them exception radio signal.
8. a kind of intervention processing method of exception radio signal, which is characterized in that the described method includes：
To the abnormal radio signal that the monitoring method of Claims 1-4 any one of them exception radio signal judges into
When row intervenes processing, centered on the basic frequency signal of abnormal radio signal, by the channel of basic frequency signal or so step-length, intelligence
It can be legal rear as same signal processing；
Improve the sample threshold value of each frequency point.
9. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In the intervention processing of realization abnormal radio signal as claimed in claim 8 when the computer program is executed by processor
The step of method.
10. a kind of radio monitoring equipment, including：
One or more processors；
Memory；And
One or more computer programs, wherein one or more of computer programs are stored in the memory, and
It and is configured to be performed by one or more of processors, which is characterized in that the processor performs the computer program
Shi Shixian as claimed in claim 8 the intervention processing method of abnormal radio signal the step of.
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| CN201711153417.1A CN108055088B (en) | 2017-11-20 | 2017-11-20 | Abnormal radio signal monitoring method and device and radio monitoring equipment |
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| CN201711153417.1A CN108055088B (en) | 2017-11-20 | 2017-11-20 | Abnormal radio signal monitoring method and device and radio monitoring equipment |
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| CN109752600A (en) * | 2019-01-14 | 2019-05-14 | 电子科技大学 | Abnormal electromagnetic signal analysis system and method based on software defined radio |
| CN113626540A (en) * | 2021-08-26 | 2021-11-09 | 深圳市科立讯数据技术有限公司 | Ultrashort wave radio signal monitoring data analysis system |
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