CN107276707A - A kind of black automation of broadcast continuity analysis method and Weigh sensor device based on multi-attribute analysis - Google Patents
A kind of black automation of broadcast continuity analysis method and Weigh sensor device based on multi-attribute analysis Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/29—Arrangements for monitoring broadcast services or broadcast-related services
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Abstract
The present invention is a kind of black automation of broadcast continuity analysis method based on multi-attribute analysis and Weigh sensor device.Described device includes monitoring command centre and one or more telemonitoring stations, telemonitoring station receives the measurement data of broadcast singal to be measured, and be uploaded to monitoring command centre safeguard monitor database MDB, command centre is monitored simultaneously and safeguards there is station database SDB, stores the legal station information in this area.Frequency attribute, geographical position attribute, channel occupancy degree attribute, launch time rule attribute, bandwidth attribute, polarization mode attribute and the voice attributes of each frequency are extracted in the measurement data that methods described and device pass through collection, the legitimacy of each attribute of automated analysis frequency, comprehensive analysis broadcast singal whether be whether be " black broadcast " signal.The present invention can effectively improve signal monitoring and the operating efficiency of collection, the accuracy for improving questionable signal identification in " black broadcast " troubleshooting procedure, effectively improve the investigation efficiency of " black broadcast ".
Description
Technical field
The present invention relates to the communications field, and in particular to a kind of black automation of broadcast continuity analysis method based on multi-attribute analysis and
Weigh sensor device.
Background technology
In recent years, criminal radio broadcast station (being commonly called as " black broadcast ") is set without authorization, with broadcast mode to certain area
Audient's transmission sound in domain or the phenomenon of vision signal are becoming increasingly rampant." black broadcast " is without country or local radio control machine
The illegal station of structure mandate, pertinent regulations, China 87-108MHz frequency range masters are divided according to People's Republic of China's radio frequency
Radio and television departments are distributed to use for frequency modulation broadcasting, and 108-137MHz frequency ranges mainly distribute to department of civil aviaton be used for aviation without
Line conductance is navigated and aviation movement is used, and when setting legal f-m broadcast station, addressing, frequency-selecting and lectotype selection etc. can be entered
The sufficient scientific appraisal of row, will not cause harmful interference to aviation frequency range.But " black broadcast " radio station is as illegally setting platform, Yin Qifa
The reasons such as power is larger, the outer spurious reduction of transmitter strap is not enough, frequency usage is random, set-up site is unordered are penetrated, may be produced humorous
, there is the hidden danger that severe jamming is caused to the especially civil aviaton's communication of other normal work frequency ranges in the situation of ripple and transmitter intermodulation.
Simultaneously as the receiving device such as wave filter, amplifier and demodulator of airborne aviation mobile communications equipment is non-linear, it is also possible to
Produce the situation of receiver intermodulation.The harmonic wave or inter-modulated signal that these situations are likely to result in broadcast singal drop into aviation movement
Frequency range in, cause the interference to airborne equipment, the sound of frequency modulation broadcasting can be demodulated in civil aviaton's frequency range when interference is severe
Signal, has had a strong impact on normal, the safe operation of airborne vehicle." black broadcast " acquisition frequency resource, influence normal broadcast are communicated, done
The boat that disturbs residents communication and navigation, all kinds of invalid informations of propagation, upset radio communication management order, are always country and local supervisor portion
The key point strike object of door.
Traditionally, the illegal station for " black broadcast " so without country or local radio regulatory organization mandate, one
As radio-frequency information, geographical position and play content in terms of be substantially different from legal broadcasting station.Traditional " black broadcast " row
Checking method is generally divided into " signal monitoring and collection ", " questionable signal screening " and " scene is determined and investigation " three steps.
(1) " signal monitoring and collection " is exactly the local frequency modulation broadcasting in-band signal situation of comprehensive grasp, its general flow
It is first with whole broadcast singal in the round-the-clock continuous monitoring 87-108MHz frequency ranges of fixed monitoring station, and to institute in the frequency range
There are the information such as radio-frequency information, geography information and the voice content of signal to be acquired；
(2) " questionable signal screening " is exactly radio-frequency information, geography information and the language in " black broadcast " signal and legal signal
Information such as sound content etc. exist it is dramatically different on the premise of, comprehensive descision analysis is carried out so that filter out can according to certain screening criteria
Suspect signal；
(3) " scene determine with investigate " crosses DF and location and portable receiver approaches look on foot using fixed monitoring station
The means such as look for investigate " black broadcast ".
But, the above method has following two：
One is that monitoring collecting work automaticity is low.In " signal monitoring and collection ", it is limited to current most domestic
The low present situation of regional monitoring device automaticity, it usually needs several monitoring personnel's continuous a few days, incessantly progress are special
Monitoring lacks the automated analysis method to broadcast singal, has had a strong impact on letter, it is necessary to consume substantial amounts of manpower and materials
Number monitoring and collection operating efficiency.
Two be that questionable signal identification intelligent degree is not high.In " questionable signal screening ", although the standard of screening be by
The difference of the information such as radio-frequency information, geography information and the voice content of " black broadcast " signal and legal signal determines, still
These differences are not unique in real work.Only by taking tranmitting frequency as an example, tranmitting frequency is the base attribute of the station, is also nothing
Most crucial technical parameter in the work of line pyroelectric monitor, " black broadcast " is that can be typically divided into " being penetrated with taking place frequently " and " alien frequencies transmitting "
Two kinds." alien frequencies transmitting " refers to that radio station is illegal is allowing the frequency used to enter without country or local radio regulatory organization mandate
Row transmitting, is typically judged by comparing local station database.But, there is also station database is incomplete or institute's channel selection
Territorial scope Incomplete matching of standing causes the situation of erroneous judgement." being penetrated with taking place frequently " illegally uses for the station in approved to the legal station
Frequency on launch, such signal also needs further to be screened according to actual conditions.Which results in real work to suspicious letter
Number screening be often depending on whether being enriched by the working experience of a line technology personnel, it is subjective, fail to be formed unified
Standard, lacks unify, intelligentized recognition methods and strategy, seriously constrains the accuracy of questionable signal identification.
In summary, in radio control work, need one kind badly and be directed to " black broadcast ", signal monitoring can be effectively improved
Operating efficiency, the automated analysis method of the accuracy of raising questionable signal identification and Weigh sensor device with collection.
The content of the invention
For problem above, the invention provides a kind of black automation of broadcast continuity analysis method and intelligence based on multi-attribute analysis
Identifying device can be changed.
A kind of black broadcast Weigh sensor device based on multi-attribute analysis proposed by the present invention, including monitoring command centre
With one or more telemonitoring stations, monitoring command centre is control node, and telemonitoring station is remote control node.Ultrashort wave is monitored
Communication link of the net by monitoring command centre and telemonitoring station and therebetween is constituted.
Remote control node is received and measured to the broadcast singal of required detection, and measured data is passed through interior online
The particular list memory cell safeguarded in control node using frequency as major key is reached, the unit is referred to as monitor database
(Monitoring Database, MDB).MDB also stores characteristic of advertisement word, including music, storytelling and medicine advertisement etc. simultaneously
Inside perhaps meet the word of the vulgar feature of medicine advertisement.
Control node safeguards the particular list memory cell using frequency as major key, is responsible for the legal station letter in this area of storage
Breath, the unit is referred to as station database (Station Database, SDB), the information stored include but are not limited to frequency,
The information such as transmitted bandwidth, station geographic logitude, station geographic latitude.
The frequency point sets of required detection are pushed to each remote control node by control node, the measurement number collected from remote control node
In, frequency attribute, geographical position attribute, channel occupancy degree attribute, launch time rule attribute, the bandwidth category of each frequency are extracted
Property, polarization mode attribute and voice attributes, and the legitimacy of each attribute of automated analysis frequency, utilize legal degree formula analysis
Broadcast singal whether be whether be " black broadcast " signal, the illegal station of Weigh sensor, final output recognition result.Described conjunction
Law formula is the weighted sum to each property value of frequency, and obtained summing value is compared into legal to judge with legal degree thresholding
Property.
The method of the automated analysis legitimacy of frequency attribute includes：
By the frequency point sets of required detection, SDB is sequentially input, the frequency legitimacy of frequency attribute is veritified；Registered in SDB
The frequency attribute of frequency is legal.
The method of the automated analysis legitimacy of geographical position attribute includes：
Each remote control node is measured to showing to degree for each frequency respectively, and measurement result returns to control node and crossed
Positioning, and the result for the positioning that crosses is contrasted with SDB, veritify geographical position legitimacy.
The method of the automated analysis legitimacy of channel occupancy degree attribute includes：
Each remote control node is measured to the channel occupancy degree of each frequency respectively, and measurement result returns to control node, and
Contrasted with monitor database (Monitoring Database, MDB), veritify channel occupancy degree attribute legitimacy.
The method of the automated analysis legitimacy of launch time rule attribute includes：
Each remote control node is measured to the launch time rule of each frequency respectively, and measurement result returns to control node,
And carry out similarity comparison, core with the history launch time rule in monitor database (Monitoring Database, MDB)
Issue after examination and approval and penetrate temporal regularity legitimacy.If the similarity of current launch time rule and history launch time rule is less than setting threshold
During value, it is believed that tested broadcast signal transmission temporal regularity is abnormal.
The method of the automated analysis legitimacy of bandwidth attribute includes：
Signal bandwidth of each remote control node respectively to each frequency is measured, measurement result return control node, and with
Signal bandwidth in MDB is contrasted, and veritifies bandwidth attribute legitimacy.
The method of the automated analysis legitimacy of polarization mode attribute includes：
Polarization mode of each remote control node respectively to each frequency is measured, and measurement result returns to monitoring command centre,
The incoming wave level measured according to the vertical polarized antenna and horizontally-polarized antenna of remote control node, judges broadcast singal polarization mode,
Veritify polarization mode attribute legitimacy；If horizontal polarization, polarization mode attribute is legal.
The method of the automated analysis legitimacy of voice attributes includes：
Questionable signal is recorded, and utilizes key word spotting techniques, content is played by multi collect statistical decision,
Compared with MDB, veritify the legitimacy of voice attributes；If occurring comprising music, storytelling and medicine ad content or meeting medicine
When the word probability of the vulgar feature of advertisement exceedes given threshold thresholding, judge voice attributes to be abnormal.
Accordingly, the black broadcast Weigh sensor method realized based on described black broadcast Weigh sensor device, including：
The frequency point sets of required detection are pushed to each remote control node by control node, the measurement number collected from remote control node
In, frequency attribute, geographical position attribute, channel occupancy degree attribute, launch time rule attribute, the bandwidth category of each frequency are extracted
Property, polarization mode attribute and voice attributes, the statistics in MDB, the frequency to some broadcast singal to be identified belongs to
Property, geographical position attribute, channel occupancy degree attribute, launch time rule attribute, bandwidth attribute, polarization mode attribute and voice
Attribute carries out the automatization judgement of legitimacy, then broadcasts letter based on being calculated on the basis of each attribute legitimacy using legal degree formula
Number whether it is " black broadcast " signal, whether the station is the legal station, Weigh sensor " black broadcast " signal, final output identification knot
Really.Described legal degree formula is the weighted sum to each attribute of frequency, obtained summing value is compared with legal degree thresholding, such as
Fruit summing value is less than legal degree thresholding, then judges the legitimacy of frequency as "abnormal"；Conversely, judging the legitimacy of frequency as " just
Often ".
Advantages of the present invention is with good effect：
The ultrashort wave monitoring net that the present invention is made up of one or more telemonitoring stations (remote control node) is responsible for required inspection
The broadcast singal of survey is received, the information such as radio-frequency information, geography information and voice content of broadcast singal needed for obtaining, and
Measured data are sent to monitoring command centre (control node).Station database (the Station of control node
Database, SDB) it is responsible for the information such as frequency, transmitted bandwidth, station geographic logitude, the station geographic latitude of the legal station of storage；
Monitor database (Monitoring Database, MDB) is responsible for storage Historical Monitoring data.Based on the above, will monitoring and
The information such as radio-frequency information, geography information and voice content of broadcast singal of frequency point sets in some frequency range to be measured collected,
Frequency attribute, geographical position attribute, channel occupancy degree and launch time rule attribute, bandwidth are divided into using property analysis method
The attributes such as attribute, polarization mode attribute, voice attributes, and automated analysis is carried out, utilize legal degree formula analysis broadcast singal
Whether it is the legal station, Weigh sensor " black broadcast " signal, final output recognition result.
Scheme of the present invention can effectively improve signal monitoring in " black broadcast " troubleshooting procedure and collection operating efficiency,
The accuracy of questionable signal identification is improved, the investigation efficiency of " black broadcast " can be effectively improved.
Brief description of the drawings
Fig. 1 is the black entire block diagram for broadcasting Weigh sensor device of the present invention；
Fig. 2 is the inventive method intermediate-frequeney point attribute automated analysis flow chart；
Fig. 3 is geographical attribute automated analysis flow chart in the inventive method；
Fig. 4 is channel occupancy degree and launch time rule attribute automated analysis flow chart in the inventive method.
Embodiment
, below will be with reference to the accompanying drawings to embodiment party of the present invention to make the object, technical solutions and advantages of the present invention clearer
Formula, which is done, further to be elaborated.Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment
The accompanying drawing used required in description is briefly described, it should be apparent that, drawings in the following description are only the present invention's
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
The present invention is for traditional " black broadcast " investigation method signal monitoring and collecting work efficiency be low, questionable signal is recognized
The problem of accuracy rate is not high, proposes a kind of black automation of broadcast continuity analysis method and Weigh sensor dress based on multi-attribute analysis
Put, can be effectively by radio-frequency information, the geography of the broadcast singal of frequency point sets in some frequency range to be measured for monitoring and collecting
The information such as information and voice content, is divided into frequency attribute, geographical position attribute, channel occupancy degree using property analysis method and belongs to
The attribute such as property, launch time rule attribute, bandwidth attribute, polarization mode attribute and voice attributes, and carry out automated analysis,
Whether it is the legal station, Weigh sensor " black broadcast " signal, final output identification using legal degree formula analysis broadcast singal
As a result.The present invention is conducive to improving the operating efficiency in daily monitoring, finds to provide with searching illegal broadcast singal to be quick
Strong support.
The black broadcast Weigh sensor device of the present invention, is realized based on ultrashort wave monitoring net.Ultrashort wave monitoring net is by monitoring
Command centre and one or more telemonitoring stations and therebetween communication link composition.Command centre is monitored to save for control
Point, telemonitoring station is remote control node.Remote control node is made up of antenna, receiver and its auxiliary device, generally fixed prison
Survey station, can in particular cases be substituted some by monitoring device that is portable or can moving.The following examples of the present invention
In use fixed monitoring station.
Embodiment one
Station database (Station Database, SDB) is responsible for storage and ratified just through radio regulatory organization already
The relevant information of the station is advised, the information such as frequency, transmitted bandwidth, station geographic logitude, station geographic latitude are included but are not limited to,
SDB sets frequency to be major key.
Monitor database (Monitoring Database, MDB), is responsible for safeguarding and n was used since the pastsIndividual ultrashort wave is consolidated
Determine monitoring station and the data such as channel occupancy degree, transmitting rule, signal level value and signal bandwidth are included but are not limited to frequency f
The historical statistical data continuously measured, MDB sets frequency to be major key.
Analysis initialization：
When needing to perform black broadcast Weigh sensor task, the starting broadcasting frequency for if desired detecting frequency range is fs,
Termination broadcasting frequency is fe, then in the range of [fs,fe].Usually, f is takens=87MHz, fe=108MHz.I.e. with stepping l to this
Frequency range carries out decile, and usually, l=100KHz is apparent from the frequency quantity n that need to be detectedf,
And the frequency point sets of detection needed for obtaining, it is
Frequency collection in control node in ultrashort wave monitoring net, some frequency range to be measured that remote control node is monitored and collected
The measurement data of the broadcast singal of conjunction includes the information such as radio-frequency information, geography information and voice content, utilizes property analysis method
It is divided into frequency attribute, geographical position attribute, channel occupancy degree, launch time rule attribute, bandwidth attribute, polarization mode attribute
And the attribute such as voice attributes, and automated analysis is carried out, whether it is the legal station, intelligence using legal degree formula analysis broadcast singal
Energyization recognizes " black broadcast " signal, final output recognition result.
Embodiment two
A kind of checking method of broadcast signal frequency attribute is present embodiments provided, is entered with reference to the content of above-described embodiment one
Row explanation：
For simplicity meter, only with single-frequency point f in the case of illustrate.As shown in Fig. 2 frequency f is inputted into SDB, to veritify
The legality message of frequency attribute, its response returned is frequency legitimacy R (f).If the information returned shows this point not in SDB
Registration, judges frequency attribute PRoF (f) as "abnormal"；Conversely, judging frequency attribute as " legal ".
According to the methods described of embodiment two, the detection to broadcast signal frequency attribute is realized.
Embodiment three
Present embodiments provide a kind of determination methods of broadcast singal geographical position attribute, with reference to above-described embodiment one and
Fig. 3 content is illustrated：
For simplicity meter, only with single-frequency point f in the case of illustrate.If some time is carved with nsIndividual ultrashort wave fixed monitoring station can
With simultaneously for the geographical position validity judgement to frequency f, if k-th of ultrashort wave fixed monitoring station SkMeasured shows to degree
For A(k)(f).It is apparent from, if SkCan be to showing to degree, then Ak∈[0,360)；If because one or more factors cause SkFail to survey
Show to degree, then return to Ak=NULL.
Then showing to degree compound mapping by major key of f is
If A (f) at least two or more values for NULL and can not cross, using multistation cross bearing principle, it can obtain
The geographical location information G (f) of target, and compared with the positional information in station database SDB：If being consistent therewith, it is believed that geographical
Position attribution PRoG (f) is " legal "；It is on the contrary, it is believed that geographical position attribute is " illegal ".
If A (f) at most has a value not to be that NULL or at least two or more value are not NULL but can not crossed, judge ground
It is " can not judge " to manage position attribution.
According to the methods described of embodiment three, the detection to broadcast singal geographical position attribute is realized.
Example IV
A kind of determination methods of broadcast singal channel occupancy degree attribute are present embodiments provided, with reference to above-described embodiment one
Content is illustrated：
For simplicity meter, only with single-frequency point f in the case of illustrate.If k-th of ultrashort wave fixed monitoring station SkIt is measured
Channel occupancy degree be O(k)(f), it should be apparent that, O(k)(f) ∈ [0,100%], then the channel occupancy degree by major key of frequency f
Compound mapping is
And compared with the channel occupancy degree information in MDB：If being consistent therewith, it is believed that channel occupancy degree attribute PRoO (f)
For " legal "；It is on the contrary, it is believed that channel occupancy degree attribute is "abnormal".
To the frequency range never monitored, the channel occupancy information permitted using administrative department in station database SDB is to prison
Survey database MDB to be initialized, veritified more afterwards；And to possessing the frequency range of Historical Monitoring data and record, can be used
The data accumulated in existing monitor database are compared and analyzed.
According to example IV methods described, the detection to broadcast singal channel occupancy degree attribute is realized.
Embodiment five
A kind of determination methods of broadcast signal transmission temporal regularity attribute are present embodiments provided, with reference to above-described embodiment one
Content illustrate：
For simplicity meter, only with single-frequency point f in the case of illustrate.If k-th of ultrashort wave fixed monitoring station SkIt is measured
Frequency f is in some continuous time section [t1,t2],t1, For set of integers, nhThe statistics number of decile is defined as, for example,
The measurement period of channel occupancy degree is 1 hour per hour, and the measurement period of daily channel occupancy degree is 24 hours, with such
Push away.
Then frequency f is in SkLaunch time rule be defined as a 1 × nhVector, it is as follows：
Wherein,Represent ultrashort wave fixed monitoring station SkChannels of the frequency f in the 1st measurement period is measured to account for
Expenditure, by that analogy.
Known two vector A=(a in n-dimensional space1, a2..., ai..., an) and B=(b1, b2..., bi..., bn), then
Euclidean distance d (A, B) between A and B is defined as follows described in formula：
The current launch time rule of frequency to be measured and the difference of history value can be weighed using Euclidean distance, is asked by above formula
Obtain TS(k)And TSH (f)(k)(f) Euclidean distance between, is also defined as frequency f launch time rule similarity：
TS(k)(f) ultrashort wave fixed monitoring station S is representedkMeasure frequency f current launch time rule, TSH(k)(f) represent
Ultrashort wave fixed monitoring station SkMeasure frequency f history launch time rule.
If with given threshold ηtsFor the Rule of judgment of frequency f launch time rule similarity, it should be apparent that, if SimT
(TS(k)(f),TSH(k)(f)) ＜ ηts, it is believed that tested broadcast signal transmission temporal regularity is abnormal, when judging broadcast signal transmission
Between rule attribute PRoT (f) be "abnormal"；Conversely, judging broadcast signal transmission temporal regularity attribute as " normal ", and update MDB
In data.
According to the methods described of embodiment five, the analysis to broadcast signal transmission temporal regularity attribute is realized.
As shown in figure 4, contrast launch time rule, do not send out such as daytime evening hair, daily only hair a few houres and it is irregular or
Person monthly only sends out several day, judges broadcast signal transmission temporal regularity attribute abnormal.Also radio control department is compared to appraise and decide and permitted
Can wireless station launch time whether be consistent with the actual transmission time.
Embodiment six
A kind of determination methods of broadcast signal bandwidth attribute are present embodiments provided, are entered with reference to the content of above-described embodiment one
Row explanation：
Usually, the mid frequency analysis equipment of a ultrashort wave fixed monitoring station should be able to carry out accurate to measured signal bandwidth
Measurement.For simplicity meter, only with single-frequency point f in the case of illustrate.If k-th of ultrashort wave fixed monitoring station SkMeasured frequency
F signal bandwidth is BD(k)(f), it should be apparent that, then the signal bandwidth compound mapping by major key of frequency f is
At the same time, BD (f) is compared with the data in MDB.If with ηbdFor the Rule of judgment of the two difference, show and
Easy insight, if the difference of current data and the data in MDB is more than ηbd, it is believed that measured signal bandwidth is abnormal, then judges broadcast
Signal bandwidth attribute PRoB (f) is "abnormal", otherwise, it is determined that broadcast signal bandwidth attribute is " normal ", and updates the number in MDB
According to.
According to the methods described of embodiment six, the detection to broadcast signal bandwidth attribute is realized.
Embodiment seven
A kind of determination methods of broadcast singal polarization mode attribute are present embodiments provided, with reference in above-described embodiment one
Hold, the present embodiment is illustrated by taking polarization mode as an example：
Usually, the mid frequency analysis equipment of a remote control node should configure many set antennas, including at least one or more hangs down
Straight poliarizing antenna and one or more horizontally-polarized antennas.In actual applications, using one group of vertical polarized antenna and level pole
Change antenna and receive signal respectively, contrast receives the polarization mode that level difference value may determine that incoming wave.And in actual applications, just
The broadcast television signal of rule is usually horizontal polarization, and " black broadcast " is usually vertical polarization.
Only consider it is simplest in the case of, to single-frequency point f, to k-th of ultrashort wave fixed monitoring station Sk, its vertical polarization day
The measured incoming wave level of line is lv(k)(f), the measured incoming wave level of its horizontally-polarized antenna is lh(k)(f), if with
ηlevelFor the Rule of judgment of the two difference, it should be apparent that, if ηlevel≤lh(k)(f)-lv(k)(f), it is believed that incoming wave only has water
Mean pole, then judge broadcast singal polarization mode attribute PRoP (f) as " normal ", otherwise, it is determined that broadcast singal polarization mode belongs to
Property is "abnormal".
According to the methods described of embodiment seven, the detection to broadcast singal polarization mode attribute is realized.
Embodiment eight
A kind of determination methods of broadcast singal voice attributes are present embodiments provided, with reference to the content of above-described embodiment one,
The present embodiment is illustrated by taking voiced keyword as an example：
Questionable signal is recorded, and utilizes key word spotting techniques, content is played by multi collect statistical decision,
Compared with monitor database (Monitoring Database, MDB), if occurring comprising broadcast music, storytelling and medicine advertisement
The word probability for perhaps meeting the vulgar feature of medicine advertisement Deng in exceedes certain threshold value thresholding ηv, then frequency f voice category is judged
Property PRoV (f) be "abnormal"；Conversely, judging f voice attributes as " normal ".
According to the methods described of embodiment eight, the detection to broadcast singal voice attributes is realized.
Embodiment nine
A kind of determination methods of the broadcast singal legitimacy of multi-attribute analysis are present embodiments provided, and combine above-mentioned implementation
The content of example one to embodiment eight is illustrated：
Statistics in MDB, to the frequency attribute of some broadcast singal to be identified, geographical position attribute, letter
The attribute such as road degree and launch time rule attribute, bandwidth attribute, polarization mode attribute, voice attributes carries out automated analysis
On the basis of, whether it is the legal station using legal degree formula analysis broadcast singal, Weigh sensor " black broadcast " signal, finally
Export recognition result.
The legal degree multi-C vector of the station is defined first：
R (f)=(PRoF (f), PRoG (f), PRoO (f), PRoT (f), PRoB (f), PRoP (f), PRoV (f))
Then the legal degree of the station can be described by following definitions：
R (f)=α1PRoF(f)+α2PRoG(f)+α3PRoO(f)+α4PRoT(f)
+α5PRoB(f)+α6PRoP(f)+α7PRoV(f)
Wherein 0≤αi≤1,Its weight is determined by the mass historical data in MDB.Broadcast singal it is each
Property value, represents the value that the attribute is legal similarity, and the legal degree finally obtained characterizes the transmitting station legitimacy probability.
(1) PRoF (f) represents frequency attribute of the frequency for f broadcast singal；
(2) PRoG (f) represents geographical position attribute of the frequency for f broadcast singal；
(3) PRoO (f) represents channel occupancy degree attribute of the frequency for f broadcast singal；
(4) PRoT (f) represents launch time rule attribute of the frequency for f broadcast singal；
(5) PRoB (f) represents bandwidth attribute of the frequency for f broadcast singal；
(6) PRoP (f) represents polarization mode attribute of the frequency for f broadcast singal；
(7) PRoV (f) represents voice attributes of the frequency for f broadcast singal；
If R (f) is less than legal degree thresholding ηR, then judge frequency f legitimacy as "abnormal"；Conversely, judging frequency f conjunction
Method is " normal ".
According to the methods described of embodiment nine, realize to broadcast singal whether be the legal station identification.
In summary, in the various embodiments of the invention, based on station database and monitor database, some is treated into frequency measurement
The information such as radio-frequency information, geography information and voice content of broadcast singal of frequency point sets in section, is drawn using property analysis method
Be divided into frequency attribute, geographical position attribute, channel occupancy degree and launch time rule attribute, bandwidth attribute, polarization mode attribute,
The attributes such as voice attributes, and automated analysis is carried out, whether it is the legal station using legal degree formula analysis broadcast singal, intelligence
Change identification " black broadcast " signal, final output recognition result.The differentiation that scheme of the present invention is detected to black automation of broadcast continuity is more
Plus it is accurate, the search efficiency of black broadcast can be effectively improved.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can be by hardware
To complete, the hardware of correlation can also be instructed to complete by program, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements done etc. should be included in the scope of the protection.
Claims (10)
1. a kind of black broadcast Weigh sensor device based on multi-attribute analysis, it is characterised in that the device includes monitoring and commanded
Center and one or more telemonitoring stations, monitoring command centre are control node, and telemonitoring station is remote control node；Ultrashort wave
Communication link of the monitoring net by monitoring command centre and telemonitoring station and therebetween is constituted；
Described remote control node is received and measured to the broadcast singal of required detection, measured data is passed through interior online
The particular list memory cell safeguarded in control node using frequency as major key is reached, the unit is referred to as monitor database MDB；It is described
MDB simultaneously also storage include the interior word for perhaps meeting medicine characteristic of advertisement of music, storytelling and medicine advertisement；
Described control node safeguards the particular list memory cell using frequency as major key, and the unit is referred to as station database SDB；
The legal station information in described SDB storages area, the information stored include frequency, transmitted bandwidth, station geographic logitude and
Geographic latitude；
The frequency point sets of required detection are pushed to each remote control node by described control node, the measurement collected from remote control node
In data, the frequency attribute of each frequency of extraction, geographical position attribute, channel occupancy degree attribute, launch time rule attribute, bandwidth
Attribute, polarization mode attribute and voice attributes, automatically analyze the legitimacy of each attribute of frequency, calculate wide using legal degree formula
Whether broadcast signal is " black broadcast " signal；Described legal degree formula is the weighted sum to each property value of frequency, by what is obtained
Summing value is compared with legal degree thresholding.
2. black broadcast Weigh sensor device according to claim 1, it is characterised in that described control node, is carried out
Following initialization procedure：The starting broadcasting frequency of the broadcast singal of detection needed for control node is determined and termination broadcasting frequency are right
Frequency range carries out decile, it is determined that the frequency point sets of required detection.
3. black broadcast Weigh sensor device according to claim 1 or 2, it is characterised in that described frequency attribute, its
The method of automated analysis legitimacy includes：
By the frequency point sets of required detection, SDB is sequentially input, the legitimacy of frequency attribute is veritified, in the frequency of the SDB frequencies registered
Rate attribute is legal.
4. black broadcast Weigh sensor device according to claim 1 or 2, it is characterised in that described geographical position category
Property, the method for its automated analysis legitimacy includes：
Each remote control node is measured to showing to degree for each frequency respectively, and measurement result, which returns to control node and cross, determines
Position, and the result for the positioning that crosses is contrasted with SDB, veritify geographical position legitimacy.
5. black broadcast Weigh sensor device according to claim 1 or 2, it is characterised in that described channel occupancy degree
Attribute, the method for its automated analysis legitimacy includes：
Each remote control node is measured to the channel occupancy degree of each frequency respectively, and measurement result returns to control node, and and MDB
It is middle to be contrasted, veritify channel occupancy degree attribute legitimacy.
6. black broadcast Weigh sensor device according to claim 1 or 2, it is characterised in that described launch time rule
Attribute attribute is restrained, the method for its automated analysis legitimacy includes：
Each remote control node is measured to the launch time rule of each frequency respectively, measurement result return control node, and with
History launch time rule in MDB carries out similarity comparison, veritifies launch time rule legitimacy；If current launch time
When the similarity of rule and history launch time rule is less than given threshold, it is believed that tested broadcast signal transmission temporal regularity is different
Often.
7. black broadcast Weigh sensor device according to claim 1 or 2, it is characterised in that described bandwidth attribute, its
The method of automated analysis legitimacy includes：
Signal bandwidth of each remote control node respectively to each frequency is measured, measurement result return control node, and with MDB
Signal bandwidth contrasted, veritify bandwidth attribute legitimacy.
8. black broadcast Weigh sensor device according to claim 1 or 2, it is characterised in that described polarization mode category
Property, the method for its automated analysis legitimacy includes：
Polarization mode of each remote control node respectively to each frequency is measured, and measurement result returns to control node, according to remote control
The incoming wave level that the vertical polarized antenna and horizontally-polarized antenna of node are measured, judges broadcast singal polarization mode, if water
Mean pole, polarization mode attribute is legal.
9. black broadcast Weigh sensor device according to claim 1 or 2, it is characterised in that described voice attributes, its
The method of automated analysis legitimacy includes：
Questionable signal is recorded, and utilizes key word spotting techniques, content is played by multi collect statistical decision, with
MDB is compared, and veritifies the legitimacy of voice attributes；If occurring comprising music, storytelling and medicine ad content or to meet medicine wide
When the word probability for accusing vulgar feature exceedes given threshold thresholding, judge voice attributes to be abnormal.
10. the black broadcast Weigh sensor method that black broadcast Weigh sensor device according to claim 1 or 2 is realized,
It is characterised in that it includes：The frequency point sets of required detection are pushed to each remote control node by control node, are collected from remote control node
Measurement data in, extract frequency attribute, geographical position attribute, channel occupancy degree attribute, the launch time rule category of each frequency
Property, bandwidth attribute, polarization mode attribute and voice attributes, the statistics in MDB, automatically analyze each attribute of frequency
Legitimacy, then based on the basis of each attribute legitimacy using it is legal degree formula calculate broadcast singal whether be " black broadcast " believe
Number；Described legal degree formula is the weighted sum to each property value of frequency, and obtained summing value is compared with legal degree thresholding,
If summing value is less than legal degree thresholding, judge the legitimacy of frequency as exception；Conversely, judging the legitimacy of frequency as just
Often.
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