Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of method for the monitoring radio-frequency spectrum system is provided, the present invention can according to actual needs, realize the multilevel network monitoring; Can receive simultaneously multiple monitoring, direction finding task from higher level's monitoring system, realization task distribution, implementation control, monitoring result gathers and report; Can finish the Data Fusion from a plurality of monitoring and direction-finding equipment, realize calculating, analysis, statistics and the management of spectrum monitoring data; Can far control separate unit or many spectrum monitoring equipment of appointment, realize the functions such as real-time frequency monitoring, signal direction-finding and location, interference analysis, signal monitoring; Can realize the configuration management of multiple devices spectrum monitoring equipment, and its operating state and communication link state are carried out dynamic surveillance and control.
Goal of the invention of the present invention is to realize by following technical step: the method for monitoring radio-frequency spectrum comprises and setting up by a plurality of monitoring facilitieses with wired monitoring network that is connected with wireless mode that it is characterized in that: it has comprised following steps:
(1) task management step;
(2) Real-Time Monitoring steps;
(3) equipment control steps;
(4) information inquiry steps.
Wherein monitoring facilities comprises monitoring equipment, monitoring-testing device, frequency tube hub and assignment equipment.
The task management step comprises following substep:
A, task are accepted: accept outside higher level's task and mission bit stream is decoded and stored;
B, task are worked out: task parameters is set, works out new task and also stored;
C, task are examined: higher level's task and new task to storage are examined;
D, task are distributed and are assigned: will assign to subordinate or monitoring equipment by the task of examining;
E, task action result data are processed: the task action result data are processed by processing requirements, and wherein, processing requirements comprises that spectrum analysis, degree of taking calculate, illegal signals is searched and signal framing.
F, task action result data report: generate corresponding reporting file and coding according to task type, and be uploaded to higher level's monitoring facilities.
The Real-Time Monitoring step has comprised following substep:
A, frequency range monitoring scanning: the electromagnetic environment in the selected frequency range is scanned according to the frequency interval of setting, analyze each channel current field intensity and time degree of taking, find unknown signaling and the discovery radio station that exceeds standard;
B, frequency meter monitoring scanning: one group of given channel is scanned one by one, obtain degree of taking and the operating position of each channel;
C, signal analysis: the signal to appointment carries out parameter measurement and analysis, obtain frequency spectrum field intensity, centre frequency, modulating mode, 6dB bandwidth, 26dB bandwidth, frequency spectrum parameter and the frequency difference data of this signal, wherein frequency spectrum parameter comprises instantaneous spectrum, average frequency spectrum, maximum spectrum and minimal frequency;
D, signal direction-finding: finish the direction finding of the frequency of appointment, obtain showing to degree information of this Frequency point;
E, interference analysis: interference signal and unknown signal are carried out frequency analysis and frequency range analysis.
The equipment control step has comprised following substep:
The configuration management of monitoring facilities in the A, monitoring net: the state of various monitoring facilitieses and link in the monitoring net is carried out dynamic surveillance and control by agreement;
B, monitoring net equipment Topology Management: show intuitively topological relation between real-time, the dynamic GIS information of the interior various monitoring equipments of monitoring net, status information of equipment, communication link state information and the monitoring equipment;
The GIS information of C, Big Dipper equipment and obtaining of temporal information: by the control to Big Dipper positioning equipment, obtain GIS information and the temporal information of monitoring equipment;
The reception of D, device status inquiries instruction and execution: receive and carry out the device status inquiries instruction from the higher level;
Automatically reporting of E, status information of equipment: when equipment state changes, automatically change information is passed to the higher level.
The information inquiry step has comprised following substep:
A, the inquiry of monitoring initial data;
B, analysis processing result data query;
C, equipment management data inquiry;
D, mission bit stream data query.
The invention has the beneficial effects as follows: according to actual needs, realize the multilevel network monitoring; Can receive simultaneously multiple monitoring, direction finding task from higher level's monitoring system, realization task distribution, implementation control, monitoring result gathers and report; Can finish the Data Fusion from a plurality of monitoring and direction-finding equipment, realize calculating, analysis, statistics and the management of spectrum monitoring data; Can far control separate unit or many spectrum monitoring equipment of appointment, realize real-time frequency monitoring, signal direction-finding and location, interference analysis, signal monitoring etc.; Can realize the configuration management of multiple devices spectrum monitoring equipment, and its operating state and communication link state are carried out dynamic surveillance and control.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing: the present invention has three kinds of application models, and monitoring station pattern, control station pattern and net are pattern.The monitoring station pattern as shown in Figure 1, this pattern is used as main take single station, can passively receive task or the instruction that higher level's monitoring system is assigned, finish the monitoring and direction-finding work that requires according to assigning instruction or task, and data are passed to higher level's monitoring system in real time, under this mode of operation, frequency spectrum monitoring system only has the control and management function to the equipment in this monitoring station, can not control except the miscellaneous equipment of this monitoring station this.
The control station pattern as shown in Figure 2, frequency spectrum monitoring system can be according to the task needs, realize the multilevel network monitoring; Can receive simultaneously multiple monitoring, direction finding task from higher level's frequency spectrum monitoring system, the distribution of realization task, implementation are controlled, monitoring result gathers reports with task result; The Data Fusion from a plurality of monitoring and direction-finding equipment be can finish, calculating, analysis, statistics and the management of spectrum monitoring data realized; Can far control separate unit or many spectrum monitoring equipment of appointment, realize the functions such as real-time frequency monitoring, signal direction-finding and location, interference analysis, signal monitoring; Can realize the configuration management to affiliated spectrum monitoring equipment, and its operating state and communication link state are carried out dynamic surveillance and control.
Net be pattern as shown in Figure 3, a plurality of frequency spectrum monitoring systems can form separately net system, collaboratively finish various monitoring and direction-finding tasks, and result data is analyzed, added up.
Fig. 4 is modular structure figure of the present invention, among the figure:
Task management: monitoring equipment is accepted the multiple monitoring task from higher level's monitoring system, according to the task needs, automatically select to carry out monitoring station (where necessary the geographical position, monitoring station being redeployed), carry out task type conversion and distribution, after task is complete, carrying out the monitoring result data gathers, processing requirements in accordance with regulations carries out data and calculates, after the statistics, report task result, the type of monitoring task has device status inquiries, the band information statistics, the band information monitoring, the group of frequencies information monitoring, the direction finding location, broadband frequency range direction finding, broadband multifrequency point direction finding, the task inquiry, the monitoring station state, the band information statistics, band interference is analyzed, the multifrequency point interference analysis, the monitoring-testing device state.
Real-Time Monitoring: monitoring-testing device can carry out Long-distance Control to one or more monitoring equipment of jurisdiction, realizes real-time band scan monitoring, the signal direction-finding under the prosecutor formula far away, the location that crosses (when having multistation direction finding data), interference analysis, signal recording monitor function.
Equipment control: by monitoring equipment being made rational planning for and disposing, utilize multiple physical communication link, set up the meshed wireless pyroelectric monitor net with multistage, parallel management, by agreement equipment and the Link State of each monitoring equipment carried out dynamic surveillance and control.
Information inquiry: finish inquiry, statistics and report printing to all kinds of monitoring initial data, analysis processing result data, equipment management data, mission bit stream data etc.
Data are processed: finish from a large amount of Real-Time Monitorings of each monitoring equipment and the comprehensive analysis processing of task data.
Fig. 5 is the reception of higher level's task, distribution, the result treatment flow chart of task management, its processing procedure is: the first step receives task and namely accepts mission bit stream and the automatic decoding parsing that the higher level assigns, the second step task is examined, the 3rd step task is distributed and is assigned to subordinate, the 4th step task action result data are processed and namely the task result data of subinstallation receipt are processed by processing requirements, the 5th step task action result data report namely and generate corresponding reporting file and coding according to task type, and last task action result data upload is to higher level's monitoring facilities.
Fig. 6 is new task formulation, distribution, the result treatment flow chart of task management, its processing procedure is: the first step is formulated new task task parameters is set, the second step task is examined, the 3rd step task is distributed and is assigned to subordinate, the 4th step task action result data are processed and namely the task result data of subinstallation receipt are processed by processing requirements, the 5th step task action result data report namely and generate corresponding reporting file and coding according to task type, and last task action result data upload is to higher level's monitoring facilities.Task management needs system's startup to enter normal operating conditions, and database work is normal, and the information interaction module is normal.
Fig. 7 is frequency range monitoring scanning process figure, its processing procedure is: first step incoming frequency scanning information is initial frequency, end frequency and frequency scanning interval, the second step input spectrum shows the control thresholding, the 3rd step input degree of taking shows the control thresholding, the 4th step input degree of taking timing statistics, the 5th step transmission frequency scan control information is to the front end monitoring station, the 6th step received the monitoring station and uploads scanning information, selected at last degree of taking display format (form and figure line dual mode) and showed the result.
The workflow of front end monitoring station frequency range monitoring scanning as shown in Figure 8, the front end monitoring station receives the frequency scanning control information and then carries out scanning, processes also storage frequency spectrum data, uploading data then quits work after receiving the stop frequency scan control.This flow process basic function is that the electromagnetic environment in the certain frequency scope is scanned according to certain frequency interval, draw current field intensity and the time degree of taking of each channel, and show in real time and instant the printing, be mainly used to obtain each channel the situation that takies in real time, find unknown signaling, find to exceed standard the radio station.In the process that scans, can show control thresholding and degree of taking timing statistics section according to the adjustment of demonstration situation, find display scale not at that time, adjust the show grid scale.When in scanning process, finding the frequency of specific needs special concern, this frequency in time can be joined in the channel table, in order to further scan and analyze, analyze and the signal framing state with selected characteristic frequency entering signal when needing.
Fig. 9 is frequency meter monitoring scanning process figure, its processing procedure is: the channel table that first step selection scans, the second step incoming level shows the control thresholding, the 3rd step input degree of taking shows the control thresholding, the 4th step input degree of taking timing statistics, the 5th step transmission channel scan control information is to the front end monitoring station, after finishing the work and upload in the 6th step monitoring station, selects at last degree of taking display format (form and figure line dual mode) and shows the result.
The workflow that frequency meter monitoring in front end monitoring station is swept as shown in figure 10, the front end monitoring station receives the scan channel control information and then carries out scanning, then implements signal processing, record and result's passback, receives to stop to quit work after the scan channel control.This flow process function is that one group of given channel is scanned one by one, in order to draw degree of taking and the operating position of each channel.Found display scale not at that time in the execution, adjust the show grid scale, in the following moment: 5 minutes, 1 hour, 12 hours statistics are also preserved the frequency degree of taking of corresponding period, the frequency degree of taking of other period statistics is derived by these three kinds, and the statistics scale of degree of taking is 30dBm, 40 dBm, 50 dBm, 60 dBm and five class of 70 dBm.
Figure 11 is the signal analysis flow chart, its processing procedure is: after the first step is selected the single-frequency point state, second step Input Monitor Connector frequency, the 3rd step input noise thresholding, the 4th step input filter bandwidth, the 5th step was transferred to the front end monitoring station with the signal analysis control information, and the 6th scanning information that upload the receiving front-end monitoring station is at last with digital form display analysis result.
The workflow of front end monitoring station signal analysis as shown in figure 12, the front end monitoring station receives carries out scanning after the signal analysis control information, then implements signal processing, record and result's passback, quits work after receiving the order of stop signal analysis and Control.The basic function of this flow process is known to certain or unknown signaling is monitored, statistical analysis, draws signal spectrum field intensity, centre frequency, modulating mode, 6dB bandwidth and 26dB bandwidth, frequency spectrum (instantaneous spectrum, average frequency spectrum, maximum spectrum, minimal frequency), seven kinds of base attributes of frequency difference of this signal.In analytic process, utilize and amplify, dwindle the observation of carrying out signal detail and overall condition with panorama function, and finding display scale not at that time, adjust the show grid scale.
What equipment control was divided into the reception of the obtaining of the GIS information of configuration management, monitoring net equipment Topology Management Big Dipper equipment of monitoring facilities in the monitoring net and temporal information, device status inquiries instruction and execution and status information of equipment reports five submodules automatically.Require the interior governed equipment of monitoring-testing device and monitoring net to have reliable network connection and communicate by letter, thereby assurance query statement energy normal transmission and big-dipper satellite positioning equipment are working properly.
Figure 13 is reception and the flowchart of device status inquiries instruction, its processing procedure is: the query statement that the first step receives external equipment i.e. the query statement of the equipment state, operating state, service behaviour index etc. of self-frequency tube hub or assignment terminal, second step generates local corresponding task by task management, the 3rd step processed and finished the work, the 4th step generated the passback report, upload report by task management at last, or directly report.
Figure 14 is the flow chart that obtains of the GIS information of Big Dipper equipment and temporal information, its processing procedure is: first does not connect level to Big Dipper equipment, it is GIS and the temporal information of place vehicle that second step receives information level, the information that at last storage information is about to receive stores in system registry and the database, for total system.
Figure 15 is monitoring net equipment Topology Management flow chart, its processing procedure is: the first step inquires the state information of interior each equipment of up-to-date monitoring net and communication network, second step is sent to the GIS module with information, the 3rd step generated topological diagram, this figure has shown topological relation between real-time, the dynamic GIS information of the interior various kinds of equipment of monitoring net, status information of equipment, communication link state information and the equipment vividly, intuitively, shows at last topological diagram.
Figure 16 is the automatic report flow figure of status information of equipment, its processing procedure is: the first step enters facility information configuration management pattern in the monitoring net, equipment in the monitoring net comprises the station, monitoring equipment, monitoring-testing device, frequency tube hub and assignment equipment, second step is confirmed the rear generation report that changes of watch-dog information, the 3rd step automatically facility information is changed superior frequently tube apparatus report and gather.
Figure 17 is the flow chart of information inquiry, and its processing procedure is: the first step is retrieved in the second step database after query categories and querying condition information are set, and the 3rd step showed Query Result, can the form mode print output to the result at last.Can finish the functions such as inquiry to all kinds of monitoring initial data, analysis processing result data, equipment management data, mission bit stream data etc., statistics, report printing.The requirement database work is normal, when needing report printing output, and must configuring print equipment.
Figure 18 is the flow chart of deal with data, its processing procedure is: it is task state or aggregation of data mode that the first step is selected data entry mode, the second step task state only needs incoming task ID number, also other qualifications can be set simultaneously, such as data such as time range, frequency ranges; The data such as comprehensive method scope input time, frequency range define conditional information, the corresponding primary monitoring data of the 3rd step automatic search, the 4th step was carried out complete demonstration primary monitoring data with spectrogram and grid column data mode, the 5th step was carried out the data computational analysis on request, data computational analysis type is divided into that spectrum analysis, multistation data fusion, degree of taking are calculated, illegal signals is searched, signal framing, the auxiliary monitoring network planning is drawn and the monitoring station is disposed, and shows Calculation results with block diagram or tabulation lattice data mode at last.The initial data of data analysis must be returned and all be stored in the database from each monitoring station before carry out, and manages in the task data mode, can retrieve according to information such as task ID or date, time, frequency range, device ids number.