CN106301621B - A method of with K line chart discovery wireless station and analysis air interference - Google Patents
A method of with K line chart discovery wireless station and analysis air interference Download PDFInfo
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- CN106301621B CN106301621B CN201610762982.7A CN201610762982A CN106301621B CN 106301621 B CN106301621 B CN 106301621B CN 201610762982 A CN201610762982 A CN 201610762982A CN 106301621 B CN106301621 B CN 106301621B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/345—Interference values
Abstract
The invention discloses a kind of with method K line chart discovery wireless station and analyze air interference, the amplitude process of changing with time of the signal of monitoring station acquisition is patterned displaying first, and in combination with station database realizing to station mechanics, violation situation, and judge whether it is illegal with frequency multiplexing and whether generate Intermodulation Interference both main interference types and be analyzed to identify, assist operators determine the position of the illegal station or interference signal.This method is the K line chart that can reflect radio station Electromagnetic Launching activity condition to be generated based on monitoring data, to be monitored with K line chart to the station launch activities on the basis of wireless station gridding monitoring system.The present invention can have found the illegal station in time, and quick and precisely be analyzed with frequency multiplexing, Intermodulation Interference illegal, hence it is evident that improve radio monitoring efficiency, develop to radio control to activeization, fining and visualization direction and play the role of greatly facilitating.
Description
Technical field
It is a kind of wireless dry with K line chart discovery wireless station and analysis the present invention relates to wireless station monitoring technical field
The method disturbed.
Background technique
Radio Spectrum Resource is limited and highly important natural resources, since radio is applied to communication technology neck
Since domain, with the development in science and technology progress of the mankind, it has constituted the essential basic condition of human survival.Various waves
The signal of section, which uses, entire communication environment order could be made to coordinate by the restriction of laws and regulations.This just needs to monitor
System can carry out the monitoring of signal power, bandwidth and place to use to the legal signal for obtaining frequency usage license, to not having
The illegal signals of acquirement frequency usage license are monitored, demodulation is accurately positioned, and find the illegal wireless station in time, it is ensured that institute
Have frequency band all in accordance with unified order carry out using.And radio resource how is distributed and manages, it is radio station pipe
The important process content of reason department.Grasp and quick investigation interference to radio station launch activities are radio station's management works
Vital in work, it is the various information in city that the timely investigation especially interfered, which is to safeguard the groundwork of radio order,
The guarantee that system runs well promotes smart city construction, Internet of Things or even socio-economic development can all play good guarantor
Drive convoy effect.And traditional monitoring system pays attention to real-time monitoring, direction-measuring function, data analysis, interference analysis means are short of,
Shortage system, long-term monitoring data record, lacking and showing and analyze the means of these data is to cause station management, interference
Investigate and prosecute discovery hardly possible, the difficult most important reason of analysis.
In radio monitoring, find that the illegal wireless station and accurate analysis radio interference are equally one difficult in time
Work, and this is daily main, most important work.Current situation is station management mainly according to legal registration
Station database, be aided with interim or assault and the station be monitored, find interference, interference is investigated and prosecuted and is managed to realize.With nothing
The continuous development of line power technology and management work, we achieve quickly in infrastructure and radio control informatization
Development, especially built a large amount of new griddings monitoring systems in recent years.These new radio monitoring systems are monitoring
There is significant progress compared with traditional monitoring system in the long-term records of data, data exhibiting, is solved using these advantages of new system
The radio interference and illegal station discovery hardly possible, the problem of analysis hardly possible for certainly perplexing us for a long time, put in face of us
One of project.Because traditional radio control is mostly by the way of artificial, such as when to the assignment of radio station frequency
The EMC analysis data for needing to acquire are called directly the function of headend equipment by operator mostly, are manually divided
Analysis, being capable of precise and high efficiency processing for specifically interfering.But monitoring and analysis for whole electromagnetic environment, especially
When set handles a large amount of monitoring data, data and various businesses data, efficiency is very low, in addition these data
It is even to be different using caused by equipment in different times, different departments, it is seen that utilize traditional management, analysis method
Seem very difficult.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of with K line chart discovery wireless station and divides
The method for analysing air interference.
The purpose of the present invention is achieved through the following technical solutions: a kind of to find wireless station with K line chart and divide
Analyse air interference method, it the following steps are included:
S1: monitoring data record monitors control module based on dedicated scan, is assisted to multiple websites in netting using GPS time service
Long-time full frequency band is obtained containing frequency, amplitude and the monitoring data of time and storage with work；
S2:K line chart shows that the scan data based on monitoring station acquisition depicts signal amplitude and changes with time process
Curve graph；
S3: illegal station discovery is compared, comparison knot based on K line chart comparison station database or using K line chart state mutation
Fruit can trigger warning note；
S4: interference analysis calculates there may be two original signals of intermodulation interference signal, calls original signal and interference
Signal is shown on same K line chart in the mechanics curve graph in the same period, and it is mutual that interference type, which occurs, for confirmation
Cadre enrolled among workers disturbs or illegal same frequency is multiplexed.
The monitoring data are by establishing private database, then according to the length of time of data preservation, time resolution
Rate stored after suitably compressing.
The K line chart exhibition method includes single station mono signal, single station three kinds of exhibition methods of multi signal and multistation mono signal.
The K line chart and station database compares, and is to utilize single station mono signal and the single-signal K line chart comparison platform of multistation
It stands database, finds the signal occurred on non-assigned frequency, and alarm like the illegal station using these signals as quasi-, waiting
Staff's is further analyzed to identify；It is described to be compared using K line chart state mutation, it can be found that the station in violation of rules and regulations, it is illegal same
Frequency is multiplexed, and is alarmed, and the further analysis of staff is waited to handle.
The K line chart multistation mono signal exhibition method can by the working condition of the position of interference signal and monitoring station into
Row is shown.
There may be the original signals of intermodulation interference signal for the calculating by multistation mono signal K line chart, and selection receives
Signal strongest website calculates intermodulation frequency.
The beneficial effects of the present invention are: can reflect nothing using monitoring data generation on the basis of gridding monitoring system
Line radio station station launch activities situation K line chart, to be monitored to station launch activities.The present invention can have found illegal platform in time
It stands, and is quick and precisely analyzed with frequency multiplexing, Intermodulation Interference illegal, hence it is evident that monitoring efficiency and quality are improved, to wireless
Fulgurite, which is managed, to be strided forward to activeization, fining and visualization direction and plays the role of being greatly promoted.
Detailed description of the invention
Fig. 1 is the method for the present invention step schematic diagram；
Fig. 2 is present procedure execution flow chart；
Fig. 3 is monitoring system structure diagram of the present invention；
Fig. 4 is the K line chart at normal transmitting station station；
Fig. 5 is the K line chart that 2 monitoring stations monitor a transmitting station simultaneously；
Fig. 6 is the K line chart of the illegal station；
Fig. 7 is the K line chart that monitoring station monitors 91.6MHz frequency；
Fig. 8 is the K line chart that 2 monitoring stations and a central station monitor 123.2MHz frequency；
Fig. 9 is that 2 monitoring stations and a central station monitor 123.2MHz frequency in the K line chart of same period.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing, but protection scope of the present invention is not limited to
It is as described below.
A method of with K line chart discovery wireless station and analysis air interference, it the following steps are included:
S1: monitoring data record monitors control module based on dedicated scan, is assisted to multiple websites in netting using GPS time service
Long-time full frequency band is obtained containing frequency, amplitude and the monitoring data of time and storage with work；
S2:K line chart shows that the scan data based on monitoring station acquisition depicts signal amplitude and changes with time process
Curve graph；
S3: illegal station discovery is compared, comparison knot based on K line chart comparison station database or using K line chart state mutation
Fruit can trigger warning note；
S4: interference analysis calculates there may be two original signals of intermodulation interference signal, calls original signal and interference
Signal is shown on same K line chart in the mechanics curve graph in the same period, and it is mutual that interference type, which occurs, for confirmation
Cadre enrolled among workers disturbs or illegal same frequency is multiplexed.
The monitoring data are by establishing private database, then according to the length of time of data preservation, time resolution
Rate stored after suitably compressing.
The K line chart exhibition method includes single station mono signal, single station three kinds of exhibition methods of multi signal and multistation mono signal.
The K line chart and station database compares, and is to utilize single station mono signal and the single-signal K line chart comparison platform of multistation
It stands database, finds the signal occurred on non-assigned frequency, and alarm like the illegal station using these signals as quasi-, waiting
Staff's is further analyzed to identify；It is described to be compared using K line chart state mutation, it can be found that the station in violation of rules and regulations, it is illegal same
Frequency is multiplexed, and is alarmed, and the further analysis of staff is waited to handle.
The K line chart multistation mono signal exhibition method can by the working condition of the position of interference signal and monitoring station into
Row is shown.
There may be the original signals of intermodulation interference signal for the calculating by multistation mono signal K line chart, and selection receives
Signal strongest website calculates intermodulation frequency.
Such as Fig. 1, Fig. 2, shown in Fig. 3, a method of with K line chart discovery wireless station and analysis air interference, it
Monitoring data acquire the step of in, first selection monitoring station, using monitoring station acquisition scan data describe signal amplitude with
The graphic plotting K line chart of time change, K line chart understand, intuitively reflect this launch activities situation.
As shown in figure 4, being " K " line chart described using the 90.1MHz broadcast station signal of monitoring station acquisition, from K line chart
In as can be seen that this transmitting during signal amplitude it is steady, reflect this transmission power it is stable and without other stations interfere.
During stopping transmitting, this frequency is clean, reflects this of card again and is occupied or interfered without other radio radiation sources with frequency.
As shown in figure 5, being to show that 2 monitoring stations monitor the K line chart that the same station is signaled, K of the invention simultaneously
Line chart can show the single line K line chart that the monitoring data of a monitoring station are drawn, and can also show multiple monitoring station monitorings simultaneously
The multi-thread K line chart that data are drawn can also show the collected multiple and different frequency letters of a monitoring station institute simultaneously as needed
Number multi-thread K line chart.
It is complex that a variety of K line chart exhibition methods, which are designed, because of space electromagnetic environment, and setting is in different geographical positions
The radio signal strength that the monitoring station set monitors that the same station is launched is different, or even the radio monitored
Number of signals is also different.That is, the width of radio station quantity and signal that a monitoring station can monitor
Degree is all discrepant.In order to more preferably show radio station launch activities situation from multiple dimensions such as region, frequency domain, time-domain
And disturbed condition, it designs a variety of K line chart ways of presentation and is necessary.
As shown in fig. 6, being the K line chart displaying in 235.25MHz frequency.It can be seen from the figure that before time of measuring,
The frequency is in clean state, it meets the state for not assigning the frequency at this time.But after time of measuring, occur one
A signal strength is the activity of 84dBuv, and signal amplitude is more stable, and activity is intermittently present and is continued for always
To when alarm, in response to this, we are judged as the fixed illegal station set up.
As shown in fig. 7, being the K line chart in 91.6MHz frequency, it can be seen from the figure that the signal width during this works
Degree has unusual fluctuations.In conjunction with the desk calendar history Analysis on monitoring data, the signal amplitude that when normal transmission is monitored is 51dBuv
Left and right.According to Historical Monitoring data, monitor that the signal amplitude of this there are short-time fluctuations, maximum value reaches 68dBuv.For this
Situation, we regard as having interference signal in the frequency, actually interference be by illegally set platform, industrial spill, stray radiation or its
Its reason causes also to need further to be analyzed to identify.
As shown in figure 8, being the K line chart of two monitoring stations, central monitoring station monitoring 123.2MHz frequency.It can from figure
To find out that two monitoring station monitorings are normal, and central monitoring station still has a general 60dBuv during the station stops transmitting
Signal exist, to this, we judge the frequency with the presence of interference, which is not excluded for the possibility of Intermodulation Interference.To there may be
The intermodulation frequency of the interference has carried out the analysis of frequency domain, time-domain, amplitude domain to the intermodulation analysis software developed with us, most
The quasi- station like generation Intermodulation Interference is given eventually, as shown in figure 9, being the K line chart of the suspicious station analyzed.
As shown in figure 9, being while the K line chart of three frequencies that exhibition centre station monitors in the same period, from top to bottom
Both threads be it is a pair of there may be the station launch activities situations of Intermodulation Interference, that root line of bottommost is intermodulation to be analyzed
Interfering activity situation.It can be seen from the figure that the Intermodulation Interference launch window that the line of bottommost represents be exactly 107.5MHz with
91.7MHz emits co-existence periods, meets the condition for generating Intermodulation Interference.We tentatively judge that the Intermodulation Interference of 123.2MHz is accordingly
The Intermodulation Interference that 107.5MHz and two stations of 91.7MHz generate.
Claims (6)
1. a kind of with method K line chart discovery wireless station and analyze air interference, which is characterized in that it includes following step
It is rapid:
S1: monitoring data record monitors control module based on dedicated scan, cooperates with work using GPS time service to multiple websites in netting
Make to obtain long-time full frequency band containing frequency, amplitude and the monitoring data of time and storage；
S2:K line chart shows, the scan data based on monitoring station acquisition depicts signal amplitude and changes with time the curve of process
Figure；
S3: illegal station discovery is compared, comparing result energy based on K line chart comparison station database or using K line chart state mutation
Enough trigger warning note；
S4: interference analysis calculates there may be two original signals of intermodulation interference signal, calls original signal and interference signal
It is shown on same K line chart in the mechanics curve graph in the same period, it is mutual cadre enrolled among workers that interference type, which occurs, for confirmation
It disturbs or illegal with frequency multiplexing.
2. as described in claim 1 a kind of with method K line chart discovery wireless station and analyze air interference, feature exists
In: by establishing private database, length of time, the temporal resolution then saved according to data carries out the monitoring data
It is stored after appropriate compression.
3. as described in claim 1 a kind of with method K line chart discovery wireless station and analyze air interference, feature exists
In: the K line chart exhibition method includes single station mono signal, single station three kinds of exhibition methods of multi signal and multistation mono signal.
4. as described in claim 1 a kind of with method K line chart discovery wireless station and analyze air interference, feature exists
In: the K line chart and station database compares, and is to utilize single station mono signal and the single-signal K line chart comparison station number of multistation
According to library, the signal occurred in not specified frequency is found, and report using the corresponding station of these signals as quasi- like the illegal station
It is alert, wait further being analyzed to identify for staff；Described is compared using K line chart state mutation, it can be found that station violation,
It is illegal to be multiplexed with frequency, and alarm, wait the further analysis of staff to handle.
5. as claimed in claim 3 a kind of with method K line chart discovery wireless station and analyze air interference, feature exists
In: the K line chart multistation mono signal exhibition method can open up the working condition of the position of interference signal and monitoring station
Show.
6. as described in claim 1 a kind of with method K line chart discovery wireless station and analyze air interference, feature exists
In: there may be the original signals of intermodulation interference signal for the calculating by multistation mono signal K line chart, and selection receives signal most
Strong website calculates intermodulation frequency.
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| CN106844794B (en) * | 2017-04-12 | 2023-09-15 | 云南大学 | Radio supervision device and method based on data multidimensional characteristics |
| CN109495201B (en) * | 2018-12-04 | 2020-05-19 | 苏州恩巨网络有限公司 | Station identification method, device and equipment |
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| CN104393939A (en) * | 2014-11-27 | 2015-03-04 | 成都安达信诚科技有限公司 | Grid radio monitoring method and system |
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| KR100331633B1 (en) * | 1999-12-14 | 2002-04-09 | 이계안 | Method and apparatus for controlling a speed of car using a radio frequency device |
| CN103812577B (en) * | 2012-11-06 | 2017-10-13 | 西南交通大学 | The automatic recognition system and its method of improper radio signal |
| CN203951480U (en) * | 2014-07-21 | 2014-11-19 | 西安航空学院 | Network illegal FM radio station monitoring system |
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|---|---|---|---|---|
| CN103019172A (en) * | 2012-11-06 | 2013-04-03 | 西华大学 | Self-organizing radio monitoring system and method |
| CN104393939A (en) * | 2014-11-27 | 2015-03-04 | 成都安达信诚科技有限公司 | Grid radio monitoring method and system |
Non-Patent Citations (1)
| Title |
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