CN106375046B - A method of radio signal, which is carried out, with K line chart accurately interferes analysis - Google Patents
A method of radio signal, which is carried out, with K line chart accurately interferes analysis Download PDFInfo
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- CN106375046B CN106375046B CN201610763049.1A CN201610763049A CN106375046B CN 106375046 B CN106375046 B CN 106375046B CN 201610763049 A CN201610763049 A CN 201610763049A CN 106375046 B CN106375046 B CN 106375046B
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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
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Abstract
The method that radio signal accurately interferes analysis is carried out with K line chart the invention discloses a kind of, it is the following steps are included: be primarily based on dedicated scan monitoring control module, using GPS time service collaborative work acquisition long-time full frequency band containing frequency, amplitude and the monitoring data of time and storage；It is then based on the scan data of monitoring station acquisition, depicts signal amplitude and change with time procedure chart, i.e., K line chart of the present invention, with the progress frequency data displaying of K line chart；It calculates there may be the original signal of intermodulation interference signal, original signal and interference signal is called to show on same K line chart in the mechanics curve graph in the same period, to judge to confirm Intermodulation Interference, be multiplexed both radio interference types frequently together.The present invention improves the timely investigation efficiency of radio interference, preferably maintains radio communication order.
Description
Technical field
It is specifically a kind of accurate with K line chart progress radio signal the present invention relates to wireless station monitoring technology field
The method for interfering analysis.
Background technique
In our daily radio control, quite a few radio interference is that intermodulation generates.This is because
Set up between the transmitting equipment of different frequency it is close, overstocked, wherein some transmitting equipment receive in addition transmitting equipment transmitting
Signal and the intermodulation product for generating a new frequency inside it, intermodulation product radiate production after emitted equipment is amplified again
Raw radio interference we be called Intermodulation Interference.
The lookup of Intermodulation Interference is always to perplex our problem, this is because it is not that an independence is wireless first
What electric equipment generated, it is the coefficient result of multiple radio transition equipments.It, need to be to having so when confirming to it
It closes radio-transmitting station and carries out interruption emission test.Secondly when carrying out Intermodulation Interference analysis, mutual cadre enrolled among workers can be generated by often meeting
The station disturbed is paired with very much, need to be checked one by one, and time-consuming, low efficiency for entire investigation.Intermodulation Interference is broadly divided into transmitting
Machine intermodulation, two kinds of receiver intermodulation and system passive intermodulation.
Summary of the invention
Radio signal essence is carried out with K line chart it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of
The really method of interference analysis.
The purpose of the present invention is achieved through the following technical solutions: a kind of to carry out radio signal essence with K line chart
Really interference analysis method, it the following steps are included:
S1: monitoring data record monitors control module based on dedicated scanning, utilizes GPS time service to multiple websites in netting
It cooperates and obtains long-time full frequency band containing frequency, amplitude and the monitoring data of time and storage；
S2:K line chart is shown, depicts the curve that signal amplitude changes over time using the scan data that monitoring station acquires
Figure；
S3: Intermodulation Interference analysis is calculated there may be the intermodulation frequency of the original signal of intermodulation interference signal, is called original
Signal and interference signal are shown on same K line chart in the mechanics curve graph in the same period, confirm intermodulation
Interference.
The monitoring data storage, initially sets up private database, length of time, the difference then saved according to data
Temporal resolution stores after being compressed.
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 step S3 includes following sub-step:
S31: setpoint frequency investigates threshold value；
S32: there may be the intermodulation frequencies of the original signal of intermodulation interference signal for calculating；
S33: circulation investigates all frequencies, and judges whether to be more than verification frequency；
S34: will be more than the frequency signal deposit frequency set database of verification threshold value if being more than verification threshold value, no
Then continue cycling through verification；
S35: call original signal and interference signal in the mechanics curve graph in the same period on same K line chart
It shows；
S36: determining Intermodulation Interference, then controls correlated frequency point emission switch by gridding supervision center and closes.
There may be the intermodulation frequency of the original signal of intermodulation interference signal, being will be similar in frequency data for the calculating
Original signal, which is combined, carries out intermodulation frequency calculating.
Circulation investigates all frequencies in the step S33, and the signal for being less than verification threshold value is individually isolated.
The beneficial effects of the present invention are: monitoring system monitoring data collected based on gridding, it is wireless to draw out reflection
The K line chart of radio station station launch activities situation can grasp station launch activities using K line chart, can find in time illegal
The station can carry out quick Accurate Analysis with frequency multiplexing, Intermodulation Interference to the illegal of long-standing problem radio monitoring technical field, and
Rapid latched position.The present invention improves the timely investigation efficiency of radio interference, preferably maintains radio communication order.
Detailed description of the invention
Fig. 1 is the method for the present invention step schematic diagram；
Fig. 2 is Intermodulation Interference analysis flow chart diagram of the present invention；
Fig. 3 is monitoring data acquisition system schematic diagram of the present invention；
Fig. 4 is the K line chart that 2 monitoring stations and a central station monitor 123.2MHz frequency；
Fig. 5 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 carry out radio signal accurately interfere analysis, it the following steps are included:
S1: monitoring data record monitors control module based on dedicated scanning, utilizes GPS time service to multiple websites in netting
It cooperates and obtains long-time full frequency band containing frequency, amplitude and the monitoring data of time and storage；
S2:K line chart is shown, depicts the curve that signal amplitude changes over time using the scan data that monitoring station acquires
Figure；
S3: Intermodulation Interference analysis is calculated there may be the intermodulation frequency of the original signal of intermodulation interference signal, is called original
Signal and interference signal are shown on same K line chart in the mechanics curve graph in the same period, confirm intermodulation
Interference.
The monitoring data storage, initially sets up private database, length of time, the difference then saved according to data
Temporal resolution stores after being compressed.
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 step S3 includes following sub-step:
S31: setpoint frequency investigates threshold value；
S32: there may be the intermodulation frequencies of the original signal of intermodulation interference signal for calculating；
S33: circulation investigates all frequencies, and judges whether to be more than verification frequency；
S34: will be more than the frequency signal deposit frequency set database of verification threshold value if being more than verification threshold value, no
Then continue cycling through verification；
S35: call original signal and interference signal in the mechanics curve graph in the same period on same K line chart
It shows；
S36: determining Intermodulation Interference, then controls correlated frequency point emission switch by gridding supervision center and closes.
There may be the intermodulation frequency of the original signal of intermodulation interference signal, being will be similar in frequency data for the calculating
Original signal, which is combined, carries out intermodulation frequency calculating.
Circulation investigates all frequencies in the step S33, and the signal for being less than verification threshold value is individually isolated.
Such as Fig. 1, Fig. 2, shown in Fig. 3, a method of radio signal is carried out with K line chart and accurately interferes analysis, is monitored
After data are acquired and handled, verification scanning is carried out to all frequency data first, Accurate Analysis then is carried out to interference signal,
To confirm Intermodulation Interference.
As shown in figure 4, being two monitoring stations, central monitoring station monitoring 123.2MHz frequency " K " line chart.From figure
It can be seen that the monitoring of two monitoring stations is normal, and central monitoring station is during the station stops transmitting, still have one probably
The signal of 60dBuv exists, and to this, we judge the frequency with the presence of interference, which is not excluded for the possibility of Intermodulation Interference.To can
The intermodulation frequency of the interference can be generated, frequency domain, time-domain, amplitude domain have been carried out to the intermodulation analysis software developed with us
Analysis finally gives the quasi- station for generating Intermodulation Interference, as shown in figure 5, being exactly the K line chart of the suspicious station analyzed.
As shown in figure 5, being while the K line chart of three frequencies that exhibition centre station monitors in the same period, from top to bottom
Two curves be a pair there may be the station launch activities situation of Intermodulation Interference, that root line of bottommost is to be analyzed mutual
Cadre enrolled among workers disturbs activity condition.From figure 5 it can be seen that the Intermodulation Interference launch window that the line of bottommost represents is exactly 107.5MHz
Emit co-existence periods with 91.7MHz, meets the condition for generating Intermodulation Interference.We tentatively judge the Intermodulation Interference of 123.2MHz accordingly
It is 107.5MHz and the Intermodulation Interference that two stations of 91.7MHz generate.
Multi-frequency K line chart is shown simultaneously is exclusively used in Intermodulation Interference analysis, can be more convenient by means of the present invention, rapidly be looked for
To the related station for generating intermodulation.
Claims (5)
1. a kind of carry out the method that radio signal accurately interferes analysis with K line chart, which is characterized in that it includes following step
It is rapid:
S1: monitoring data record monitors control module based on dedicated scanning, is cooperateed with to multiple websites in netting using GPS time service
Work obtains long-time full frequency band containing frequency, amplitude and the monitoring data of time and storage；
S2:K line chart is shown, depicts signal amplitude time history plot using the scan data that monitoring station acquires；
S3: Intermodulation Interference analysis calculates there may be the intermodulation frequency of the original signal 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, confirms Intermodulation Interference；
Step S3 further includes following sub-step:
S31: setpoint frequency investigates threshold value；
S32: there may be the intermodulation frequencies of the original signal of intermodulation interference signal for calculating；
S33: circulation investigates all frequencies, and judges whether to be more than verification threshold value；
S34: if be more than verification threshold value, will be more than verification threshold value frequency signal be stored in frequency set database, otherwise after
Continuous circulation verification；
S35: original signal and interference signal is called to open up on same K line chart in the mechanics curve graph in the same period
Show；
S36: determining Intermodulation Interference, then controls correlated frequency point emission switch by gridding supervision center and closes.
2. a kind of method for accurately interfering analysis with K line chart progress radio signal as described in claim 1, feature exist
In: the monitoring data storage initially sets up private database, then according to the length of time of data preservation, different time
Resolution ratio stores after being compressed.
3. a kind of method for accurately interfering analysis with K line chart progress radio signal as described in claim 1, feature exist
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. a kind of method for accurately interfering analysis with K line chart progress radio signal as described in claim 1, feature exist
In: there may be the intermodulation frequency of the original signal of intermodulation interference signal, being will be original similar in frequency data for the calculating
Signal, which is combined, carries out intermodulation frequency calculating.
5. a kind of method for accurately interfering analysis with K line chart progress radio signal as described in claim 1, feature exist
In: circulation investigates all frequencies in the step S33, and the signal for being less than verification threshold value is individually isolated.
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| CN201610763049.1A CN106375046B (en) | 2016-08-31 | 2016-08-31 | A method of radio signal, which is carried out, with K line chart accurately interferes analysis |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101344548A (en) * | 2008-09-03 | 2009-01-14 | 北京航空航天大学 | Measuring method for intermodulation sensitiveness of antenna terminal |
| JP2010057191A (en) * | 2003-02-27 | 2010-03-11 | Ntt Docomo Inc | Radio communication system, radio station, and radio communication method |
| CN103019172A (en) * | 2012-11-06 | 2013-04-03 | 西华大学 | Self-organizing radio monitoring system and method |
| CN103679681A (en) * | 2012-09-06 | 2014-03-26 | 亿阳信通股份有限公司 | Method and device for analyzing wireless network interference |
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- 2016-08-31 CN CN201610763049.1A patent/CN106375046B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010057191A (en) * | 2003-02-27 | 2010-03-11 | Ntt Docomo Inc | Radio communication system, radio station, and radio communication method |
| CN101344548A (en) * | 2008-09-03 | 2009-01-14 | 北京航空航天大学 | Measuring method for intermodulation sensitiveness of antenna terminal |
| CN103679681A (en) * | 2012-09-06 | 2014-03-26 | 亿阳信通股份有限公司 | Method and device for analyzing wireless network interference |
| CN103019172A (en) * | 2012-11-06 | 2013-04-03 | 西华大学 | Self-organizing radio monitoring system and method |
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