CN108599879A - A kind of wireless signal interference monitoring mthods, systems and devices - Google Patents
A kind of wireless signal interference monitoring mthods, systems and devices Download PDFInfo
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- CN108599879A CN108599879A CN201810129244.8A CN201810129244A CN108599879A CN 108599879 A CN108599879 A CN 108599879A CN 201810129244 A CN201810129244 A CN 201810129244A CN 108599879 A CN108599879 A CN 108599879A
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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Abstract
The invention discloses a kind of wireless signal interference monitoring mthods, systems and devices, radiofrequency signal is received by high-gain all frequency bands antenna, and it is uniformly distributed from low to high by multiple centre frequencies, the bandpass filter of passband seamless connection, radiofrequency signal is divided into multiple narrow band signals corresponding with the passband of the bandpass filter, corresponding narrow band spectrum data are generated after i/q signal conversion, FFT processing, time identifier processing, and Whole frequency band frequency spectrum is synthesized, it is stored in computer platform.In production test procedure, there is a situation where test result exceptions, and corresponding frequency spectrum data is recalled according to the testing time, the signal interference for retracting when analysis test.It realizes the Whole frequency band frequency spectrum combined using narrow band spectrum interference signal monitor and analyze in real time, efficiently solves interference signal monitoring in real time and the analysis in production line test, improve the accuracy of test result, reduce production cost.
Description
Technical field
The present invention relates to field of communication technology, more particularly to a kind of wireless signal interference monitoring mthods, systems and devices.
Background technology
The Testing And Regulating of mobile terminal device radio-frequency performance becomes one of most important link in terminal production test.
It in the production test of mobile terminal, since the test environment of producing line is open, can not accomplish that complete electromagnetic screen closes mostly, pass through
It often can there is a situation where radio frequency testings to be interfered by external signal so that radio-frequency module is measured in reception/measuring signal
Result error, and then influence test result precision.
Current intelligent mobile terminal is simultaneously comprising plurality of communication schemes such as 2G, 3G, 4G, BLUETOOTH, WiFi etc., this
A little communication patterns cover the very wide frequency range from 400MHz to 6GHz, in so wide frequency range, it is possible to which there are various frequencies
The interference signal of rate.These signals occur at random, and time type is indefinite.Difference can be all shown in different time, different location
The interference characteristic of form, and for the terminal of different hardware configurations, the interference effect shown is also different, these to position
These interference signals are very difficult, affect the accuracy of test result.
In the test of existing mobile terminal device radio-frequency performance, completely cut off external disturbance usually using shielding device,
But same shielding device can not be adapted to all test types, the movement for different hardware configurations and different communication modes
Terminal needs to use different shielding devices, and versatility is not high, and testing efficiency is relatively low, and shielding device can not forgo interference completely
Signal, for the abnormality test that occurs once in a while in test as a result, still can not quickly determine whether be interference signal caused by, shadow
The accuracy of test result is rung, and shielding device is expensive, has raised production cost.Wide band signal interference is examined
It surveys, the accuracy of test result can be mentioned using highly sensitive broader frequency spectrum monitoring device, but due to testing frequency range
It is very wide, while the requirement to sensitivity is also very high, the spectrum monitoring equipment price for meeting requirement is sufficiently expensive, uses mostly
In laboratory, be not suitable for producing line large scale deployment.Therefore, in the prior art, shortage is a kind of applying on production line test, life
Produce at low cost, the test result method and apparatus that accurately wide band signal interference is monitored and analyzed in real time.
Invention content
The present invention provides a kind of wireless signal interference monitoring method, solves the problems of the prior art, is suitable for producing line and surveys
Wide band signal interference monitoring in real time in examination and analysis, production cost is low, test result is accurate.
In order to achieve the above objectives, one aspect of the present invention provides a kind of wireless signal interference monitoring method, and the method is used
In being provided in the wireless signal interference monitoring device of high-gain all frequency bands antenna, this method includes：
Radiofrequency signal is received by the high-gain all frequency bands antenna；
By the radiofrequency signal respectively by multiple bandpass filters arranged side by side, the centre frequency of the bandpass filter by
It is low to high to be uniformly distributed and passband seamless connection, thus obtain multiple narrowbands letters corresponding with the passband of the bandpass filter
Number, and the passband seamless connection of the narrow band signal；
Convert the narrow band signal to by A/D the I/Q digital signals of high sampling；
The I/Q digital signals of the high sampling are obtained into the I/Q digital signal datas with the high sampling by FFT
Corresponding frequency spectrum, and intercept narrow band spectrum data corresponding with the passband of the narrow band signal；
Time identifier is filled to the narrow band spectrum data, and by the narrow band spectrum data of same time point according to phase
The sequence of the corresponding bandpass filter centre frequency from low to high synthesizes the Whole frequency band frequency spectrum data of this time point.
Preferably, the I/Q digital signals of the high sampling are obtained into the I/Q with the high sampling by FFT
The corresponding frequency spectrum of digital signal data, and narrow band spectrum data corresponding with the passband of the narrow band signal are intercepted, specially：
It is corresponding described to obtain different time points for the FFT processing that the i/q signal of the high sampling is carried out to continuous time
The frequency spectrum data of the i/q signal data of high sampling, and being intercepted respectively in the frequency spectrum data in different time points, obtain with
The corresponding narrow band spectrum data of passband of the narrow band signal.
Preferably, time identifier is filled to the narrow band spectrum data, specially:By the described narrow of different time points
Band frequency spectrum data fills corresponding time identifier.
Preferably, all working frequency range of the high-gain all frequency bands antenna covering current main-stream communication standard.
Another aspect of the present invention provides a kind of wireless signal interference monitoring system, including high-gain all frequency bands antenna, letter
Number filter, chromacoder, managing device, wherein：
For receiving radiofrequency signal, the high-gain all frequency bands antenna has to be led the high-gain all frequency bands antenna currently
High power gain in all working frequency range of stream communication standard；
The signal filter includes that multiple centre frequencies are uniformly distributed from low to high, the band logical of passband seamless connection is filtered
Wave device, the radiofrequency signal are obtained by the signal filter multiple corresponding with the passband of the bandpass filter respectively
Narrow band signal, and the passband seamless connection of the narrow band signal；
The chromacoder is correspondingly arranged with the signal filter module, for the narrow band signal to be passed through A/D
It is converted into the I/Q digital signals of high sampling；
The managing device is for obtaining and the high sampling I/Q digital signals of the high sampling by FFT
The corresponding frequency spectrum data of I/Q digital signal datas, and intercept corresponding with the passband of narrow band signal narrow band spectrum number
According to；
The managing device is additionally operable to fill time identifier to the narrow band spectrum data, and will be described in same time point
Narrow band spectrum data synthesize Whole frequency band spectrum number according to the sequence of the corresponding bandpass filter centre frequency from low to high
According to.
Preferably, the managing device is used to obtain the I/Q digital signals of the high sampling and institute by FFT
The corresponding frequency spectrum of I/Q digital signal datas of high sampling is stated, and intercepts narrowband corresponding with the passband of the narrow band signal
Frequency spectrum data, specially：
The managing device is used to carry out the i/q signal of the high sampling FFT processing of continuous time, obtains difference
The frequency spectrum data of the i/q signal data of the time point corresponding high sampling, and the frequency spectrum data in different time points
It is middle to intercept respectively, obtain narrow band spectrum data corresponding with the passband of the narrow band signal.
Preferably, the managing device is used to fill time identifier to the narrow band spectrum data, specially：It will not
The narrow band spectrum data with time point fill corresponding time identifier.
Preferably, the quantity of the used bandpass filter by the detected radiofrequency signal bandwidth and
The pass band width of the bandpass filter determines.
Preferably, the chromacoder includes video receiver and A/D sample devices.
Another aspect of the present invention provides a kind of wireless signal interference monitoring device, including：
Processor；And for storing data and the memory of processor-executable instruction；
Wherein, the processor is used to carry out the wireless signal interference monitoring method of above example offer.
The present invention receives radiofrequency signal by high-gain all frequency bands antenna, and uniform from low to high by multiple centre frequencies
The bandpass filter of distribution, passband seamless connection, radiofrequency signal is divided into multiple corresponding with the passband of the bandpass filter
Narrow band signal, generate corresponding narrow band spectrum data after i/q signal conversion, FFT processing, time identifier processing, and will
Sequence of the narrow band spectrum data of same time point according to the corresponding bandpass filter centre frequency from low to high
Whole frequency band frequency spectrum data is synthesized, is stored in computer platform.In production test procedure, the feelings of test result exception occur
Condition can recall the frequency spectrum data at corresponding time point according to the testing time, and the signal interference for retracting when analysis test is sentenced
The reason of disconnected test result exception.The Whole frequency band frequency spectrum combined using narrow band spectrum is realized to monitor interference signal in real time
And analysis, it is real to efficiently solve interference signal of the mobile terminal of different hardware configurations and different communication modes in production line test
When monitor and analysis, improve the accuracy of test result, reduce production cost.
Description of the drawings
Fig. 1 is a kind of flow diagram of wireless signal interference monitoring method provided in an embodiment of the present invention；
Fig. 2 is the I/Q digital signals that provide of the specific embodiment of the invention at the continuous FFT in testing time section t0~tn
Manage schematic diagram；
Fig. 3 is tn time points corresponding full frequency band spectrum signature F (tn) schematic diagram that the specific embodiment of the invention provides；
Fig. 4 is a kind of wireless signal interference monitoring system provided in an embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
An embodiment of the present invention provides a kind of wireless signal interference monitoring methods, as shown in Figure 1, the method is for being arranged
Have in the wireless signal interference monitoring device of high-gain all frequency bands antenna, this method includes：
Step S01 receives radiofrequency signal by the high-gain all frequency bands antenna.
High-gain all frequency bands antenna is applicable in frequency range and need to cover all working frequency range of current main-stream communication standard, and herein
Higher reception power gain is kept in frequency range.According to currently practical production test demand, working frequency range need to be set at least to
400MHz to 6GHz.
Rank that the radiofrequency signal is uniformly distributed by multiple centre frequencies by step S02 from low to high respectively, passband is seamless
The bandpass filter connect obtains multiple narrow band signals corresponding with the passband of the bandpass filter, and the narrow band signal
Passband seamless connection.
Radiofrequency signal that high-gain all frequency bands antenna receives simultaneously by multiple narrow band filters being set up in parallel,
In, the pass band width of each narrow band filter is identical, and the centre frequency of each filter is in the test frequency of 400MHz to 6GHz
Continuous uniform distribution in section so that the passband of each filter is seamlessly connected in test frequency range, and entire test frequency is completely covered
Section.The pass band width of number of filter N=test band bandwidth/filters.In the specific embodiment of the invention, filter passband
Bandwidth can use 50MHz, this bandwidth to take into account the quantity of the speed and filter of narrow band spectrum detection.
Step S03 converts the narrow band signal to by A/D the I/Q digital signals of high sampling.
The frequency domain character of these I/Q digital signals is:In entirely test frequency range, all passbands are seamlessly connected, and covering is whole
A test frequency range.
Step S04 obtains the I/Q digital signals of the high sampling and the I/Q of high sampling numbers by FFT
The corresponding frequency spectrum of signal data, and intercept narrow band spectrum data corresponding with the passband of the narrow band signal.
The FFT processing for carrying out continuous time respectively to each I/Q digital signals obtains each passband in testing time section
The frequency spectrum data at all time points of interior t0~tn.In specific embodiment, to some I/Q digital signals data1 in test
Between continuous FFT processing in section t0~tn, as shown in Fig. 2, the time interval of every section of FFT processing is the time of a data symbol
Interval.
Step S05 fills corresponding time identifier respectively to the narrow band spectrum data of the continuous time, and will be identical when
Between the narrow band spectrum data put synthesized according to the sequence of the corresponding bandpass filter centre frequency from low to high it is complete
Band spectrum data.
To the frequency spectrum data of different time points, time identifier is filled, same time is identified into corresponding all I/Q data
Frequency spectrum carries out frequency domain merging, obtains each time point corresponding full frequency band frequency spectrum data in testing time section, and
It is stored in the storage device of PC computing platforms.If Fig. 3 is tn time points corresponding full frequency band spectrum signature F (tn).Wherein f1
~fN respectively represents the passband central frequency corresponding to the I/Q data that radio-frequency transmitter 1 is exported to N.
The present invention receives radiofrequency signal by high-gain all frequency bands antenna, and uniform from low to high by multiple centre frequencies
The bandpass filter of distribution, passband seamless connection, radiofrequency signal is divided into multiple corresponding with the passband of the bandpass filter
Narrow band signal, generate corresponding narrow band spectrum data after i/q signal conversion, FFT processing, time identifier processing, and will
By the narrow band spectrum data of same time point according to the corresponding bandpass filter centre frequency from low to high suitable
Sequence synthesizes Whole frequency band frequency spectrum data, is stored in computer platform.In production test procedure, the feelings of test result exception occur
Condition can recall corresponding frequency spectrum data according to the testing time, and the signal interference for retracting when analysis test judges to test
The reason of results abnormity.It realizes the Whole frequency band frequency spectrum combined using narrow band spectrum interference signal monitor in real time and divided
Analysis efficiently solves interference signal of the mobile terminal of different hardware configurations and different communication modes in production line test and supervises in real time
It surveys and analyzes, improve the accuracy of test result, reduce production cost.
In the preferred embodiment of the present invention, the I/Q digital signals of the high sampling are obtained adopting with the high power by FFT
The corresponding frequency spectrum of I/Q digital signal datas of sample, and narrow band spectrum data corresponding with the passband of the narrow band signal are intercepted,
Specially：
It is corresponding described to obtain different time points for the FFT processing that the i/q signal of the high sampling is carried out to continuous time
The frequency spectrum data of the i/q signal data of high sampling, and being intercepted respectively in the frequency spectrum data in different time points, obtain with
The corresponding narrow band spectrum data of passband of the narrow band signal.
In the preferred embodiment of the present invention, time identifier is filled to the narrow band spectrum data, specially:By different time points
The narrow band spectrum data fill corresponding time identifier.
In the preferred embodiment of the present invention, all working of the high-gain all frequency bands antenna covering current main-stream communication standard
Frequency range.
It is concentrated on due to the working frequency of current mobile terminal in the frequency range of 400MHz to 6GHz.The high-gain of antenna is applicable in
Frequency range need to cover all working frequency range of current main-stream communication standard, cover the frequency band from 400MHz to 6GHz.
The embodiment of the present invention by narrow band spectrum detect in the way of, the broadband ambient noise signal that will be received is divided into
Multiple 50M narrow band signals carry out frequency spectrum detection respectively.And the I/Q that each narrow band receiver is generated using PC computing platforms equipment
Digital signal carries out real-time FFT operations, generates corresponding 50MHz frequency spectrum datas, then by all 50MHz narrow band spectrums numbers
According to 400MHz~6GHz broader frequency spectrum data, and the upper current time stamp of data note thus is combined into, it is stored in PC computing platforms
Among.As a result, in production test procedure, there is a situation where test result exceptions, can be recalled corresponding according to the testing time
Frequency spectrum data, for the analysis that retracts, to determine whether being that test caused by interference signal is abnormal.The present invention is according to the reality in producing line
Border use demand realizes the real-time monitoring of broader frequency spectrum in the way of narrow-band combinations, and monitoring result is analyzed in real time and
Record, efficiently solves the real-time analysis for interference signal present in production line test.
Further embodiment of this invention provides a kind of wireless signal interference monitoring system, as shown in figure 4, complete including high-gain
Band antenna, signal filter, chromacoder, managing device, wherein：
For receiving radiofrequency signal, the high-gain all frequency bands antenna has to be led the high-gain all frequency bands antenna currently
High power gain in all working frequency range of stream communication standard.Cover the frequency band from 400MHz to 6GHz.
The signal filter includes that multiple centre frequencies are uniformly distributed from low to high, the band logical of passband seamless connection is filtered
Wave device, the radiofrequency signal are obtained by the signal filter multiple corresponding with the passband of the bandpass filter respectively
Narrow band signal, and the passband seamless connection of the narrow band signal.Specifically, in the specific embodiment of the invention, configuration is multiple simultaneously
The narrow band filter of setting is arranged, these narrow band filters receive the radiofrequency signal that high-gain all frequency bands antenna receives simultaneously.
The chromacoder is correspondingly arranged with the signal filter module, for the narrow band signal to be passed through A/D
It is converted into the I/Q digital signals of high sampling.In specific embodiment, in each narrow band filter output end, respectively connect corresponding
The radio-frequency transmitter of frequency band, radio-frequency transmitter working band filter connected to it are corresponding.By it is filtered obtain it is narrow
Band radiofrequency signal is converted into digital i/q signal.
The managing device is for obtaining and the high sampling I/Q digital signals of the high sampling by FFT
The corresponding frequency spectrum of I/Q digital signal datas, and intercept corresponding with the passband of narrow band signal narrow band spectrum data.Tool
Body, receive the I/Q digital signal datas of each radio-frequency transmitter output using independent or integrated PC computing platforms.To every
The i/q signal of a receiver output carries out the FFT processing of continuous time respectively, obtains each passband t0 in testing time section
The frequency spectrum data at all time points of~tn, as shown in Figure 2.
The managing device is additionally operable to fill time identifier to the narrow band spectrum data, and will be described in same time point
Narrow band spectrum data synthesize Whole frequency band spectrum number according to the sequence of the corresponding bandpass filter centre frequency from low to high
According to.
In the preferred embodiment of the present invention, the managing device is used to the I/Q digital signals of the high sampling passing through FFT
Frequency spectrum corresponding with the I/Q digital signal datas of high sampling is obtained, and is intercepted opposite with the passband of the narrow band signal
The narrow band spectrum data answered, specially：
The managing device is used to carry out the i/q signal of the high sampling FFT processing of continuous time, obtains difference
The frequency spectrum data of the i/q signal data of the time point corresponding high sampling, and the frequency spectrum data in different time points
It is middle to intercept respectively, obtain narrow band spectrum data corresponding with the passband of the narrow band signal.
In the preferred embodiment of the present invention, the managing device is used to fill corresponding time mark to the narrow band spectrum data
Know, specially：The narrow band spectrum data of different time points are filled into time identifier.
In the preferred embodiment of the present invention, the bandwidth and the band logical of the configuration of the bandpass filter by the radiofrequency signal
The passband of filter determines.The pass band width of number of filter N=test band bandwidth/filters.It is embodied in the present invention
In example, filter passband bandwidth can use 50MHz, this bandwidth to take into account the number of the speed and filter of narrow band spectrum detection
Amount.
In the preferred embodiment of the present invention, the chromacoder includes video receiver and AD sample devices.
Each narrow band filter output end, respectively connects the radio-frequency transmitter of corresponding frequency band, and radio-frequency transmitter working band is connected thereto
Filter it is corresponding.Convert filtered obtained narrow radio frequency signal to I/Q digital signals.Each radio-frequency transmitter point
The I/Q digital signals of different pass band widths are not exported.The frequency domain character of these I/Q digital signals is:In entirely test frequency range,
All passbands are seamlessly connected, and cover entire test frequency range.The digital i/q signal of each radio-frequency transmitter output is sent to PC meters
It calculates platform and narrow band spectrum data is obtained by FFT processing.And synthesis Whole frequency band spectrum number is identified according to corresponding processing time
According to.It is stored in computing platform.
Further embodiment of this invention provides a kind of wireless signal interference monitoring device, including：
Processor；And for storing data and the memory of processor-executable instruction；
Wherein, the processor is used to carry out the wireless signal interference monitoring method described in above example.
The embodiment of the present invention is positioned over test by the high-gain all frequency bands antenna for the monitoring device for interfering wireless signal
Near point, is synchronized using automatic testing software and open radio frequency testing and Interference Detection, and the time of all test results is clicked through
Row record.When test result occurs abnormal, the corresponding testing time point of the test result is compared, so that it may with from monitoring device
The corresponding background noise full frequency band spectrum information of time point therewith is found out in PC platforms.The spectrum information is divided
The power of analysis, the especially interference signal near the Frequency point used in selective analysis radio frequency testing is abnormal.So as to for surveying
Examination carries out rollback analysis, judges whether test result exception is as caused by external disturbance.At the same time it can also in the more of producing line
The monitoring device of more wireless signal interference provided in an embodiment of the present invention is respectively set in a position, when using longer monitoring
Between., can be with location interference source by the comparison of the interference signal spectrum information of each position same time point, while finding out more excellent
Testing location.
It will be appreciated by those skilled in the art that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, module in attached drawing or
Flow is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in device in implement scene can be described according to implement scene into
Row is distributed in the device of implement scene, can also be carried out respective change and is located at the one or more dresses for being different from this implement scene
In setting.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
Aforementioned present invention serial number is for illustration only, does not represent the quality of implement scene.
Disclosed above is only several specific implementation scenes of the present invention, and still, the present invention is not limited to this, Ren Heben
What the technical staff in field can think variation should all fall into protection scope of the present invention.
Claims (10)
1. a kind of wireless signal interference monitoring method, which is characterized in that the method is for being provided with high-gain all frequency bands antenna
Wireless signal interference monitoring device in, this method includes：
Radiofrequency signal is received by the high-gain all frequency bands antenna；
By the radiofrequency signal respectively by multiple bandpass filters arranged side by side, the centre frequencies of these bandpass filters by
It is low to high be uniformly distributed, passband seamless connection.Thus multiple narrowband letters corresponding with the passband of the bandpass filter are obtained
Number, and the passband seamless connection of the narrow band signal；
Convert the narrow band signal to by A/D the I/Q digital signals of high sampling；
The I/Q digital signals of the high sampling are obtained by FFT corresponding with the I/Q digital signal datas of high sampling
Frequency spectrum, and intercept corresponding with the passband of narrow band signal narrow band spectrum data；
Time identifier is filled to the narrow band spectrum data, and by the narrow band spectrum data of same time point according to corresponding
Bandpass filter centre frequency sequence from low to high synthesize Whole frequency band frequency spectrum.
2. the method as described in claim 1, which is characterized in that obtain the I/Q digital signals of the high sampling by FFT
Frequency spectrum corresponding with the I/Q digital signal datas of high sampling, and intercept corresponding with the passband of the narrow band signal
Narrow band spectrum data, specially：
The FFT processing that the i/q signal of the high sampling is carried out to continuous time, obtains the corresponding high power of different time points
The frequency spectrum data of the i/q signal data of sampling, and being intercepted respectively in the frequency spectrum data in different time points, obtain with it is described
The corresponding narrow band spectrum data of passband of narrow band signal.
3. the method as described in claim 1, which is characterized in that fill time identifier to the narrow band spectrum data, specially:
The narrow band spectrum data of different time points are filled into corresponding time identifier.
4. method as described in any one of claims 1-3, which is characterized in that the high-gain all frequency bands antenna covering is current main
The all working frequency range of stream communication standard.
5. a kind of wireless signal interference monitoring system, which is characterized in that including high-gain all frequency bands antenna, signal filter,
Chromacoder, managing device, wherein：
The high-gain all frequency bands antenna has logical in current main-stream for receiving radiofrequency signal, the high-gain all frequency bands antenna
Believe the high power gain in all working frequency range of standard；
The signal filter include multiple centre frequencies be uniformly distributed from low to high, the bandpass filtering of passband seamless connection
Device, the radiofrequency signal are obtained by the signal filter multiple corresponding with the passband of the bandpass filter respectively
Narrow band signal, and the passband seamless connection of the narrow band signal；
The chromacoder is correspondingly arranged with the signal filter module, for converting the narrow band signal by A/D
For the I/Q digital signals of high sampling；
The managing device is used to the I/Q digital signals of the high sampling obtaining the I/Q with the high sampling by FFT
The corresponding frequency spectrum of digital signal data, and intercept narrow band spectrum data corresponding with the passband of the narrow band signal；
The managing device is additionally operable to fill time identifier to the narrow band spectrum data, and by the narrowband of same time point
Frequency spectrum data synthesizes Whole frequency band frequency spectrum data according to the sequence of the corresponding bandpass filter centre frequency from low to high.
6. system as claimed in claim 5, which is characterized in that the managing device is used for the I/Q numbers of the high sampling
Word signal obtains frequency spectrum corresponding with the I/Q digital signal datas of high sampling by FFT, and intercepts and believe with the narrowband
Number the corresponding narrow band spectrum data of passband, specially：
The managing device is used to carry out the i/q signal of the high sampling FFT processing of continuous time, obtains different time
The frequency spectrum data of the i/q signal data of the corresponding high sampling of point, and respectively interception obtain it is logical with the narrow band signal
With corresponding narrow band spectrum data.
7. system as claimed in claim 5, which is characterized in that the managing device is used to fill the narrow band spectrum data
Time identifier, specially：The narrow band spectrum data of different time points are filled into corresponding time identifier.
8. system as claimed in claim 5, which is characterized in that the quantity of the bandpass filter is believed by the radio frequency of the monitoring
Number bandwidth and the bandpass filter pass band width determine.
9. such as claim 5-8 any one of them systems, which is characterized in that the chromacoder includes that radiofrequency signal connects
Receipts machine and A/D sample devices.
10. a kind of wireless signal interference monitoring device, which is characterized in that including：
Processor；And for storing data and the memory of processor-executable instruction；
Wherein, the processor is used to carry out claim 1-4 any one of them wireless signal interference monitoring methods.
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Cited By (3)
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| CN109510674A (en) * | 2018-12-29 | 2019-03-22 | 盐城工业职业技术学院 | A kind of control system and method for examining fire-fighting wireless communication signals |
| CN110333737A (en) * | 2019-07-05 | 2019-10-15 | 湖北理工学院 | A kind of high unmanned aerial vehicle control system of spraying efficiency for pesticide spraying and method |
| CN115297502A (en) * | 2022-07-13 | 2022-11-04 | 深圳百讴声学技术有限公司 | Wireless transmission signal anti-interference test equipment and method |
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