Mobile monitoring station automatic positioning methodTechnical field
The present invention relates to radio monitoring technical field, more particularly to a kind of mobile monitoring station automatic positioning method.
Background technology
Mobile monitoring station is as fixed monitoring station monitoring blind area and approaches the motor-driven supplement strength of scouting, is usually used in city ringThe interference source Search and Orientation in border.But due to City Building block with the multipath effect caused by reflection, cause operator veryThe difficult positioning searching work for quickly and accurately completing interference source.The art of this patent provides a kind of based on gridding and Data ConvergenceInterference source fast automatic positioning method.
The content of the invention
The present invention solves the technical problem of a kind of mobile monitoring station automatic positioning method is provided, can be by gridThe convergence method step by step of formula direction finding data come be rapidly completed interference source positioning searching work.
In order to solve the above technical problems, one aspect of the present invention is：There is provided a kind of mobile monitoring station automaticLocalization method, it is characterised in that the mobile monitoring station automatic positioning method realizes that step is as follows：
1. the division of Virtual Monitoring grid：It is situations such as before test according to geographical position, the building distribution of tested region, general by waitingEach class standard such as rate, homalographic divides multiple（It is typically four）Grid cell D1, D2 ... Di, imagination its in have virtual emission sourceCorresponding S1, S2 ... Si is set to, and records the latitude and longitude information in each region.
2. the direction finding Data Collection of position 1：Mobile direction finding site reaches in the direction-measuring function of current location E1 activation systems to multipleQuick direction finding data to level detection thresholding and direction finding quality threshold are recorded.
3. the data preliminary screening of virtual target S1：Obtain the GPS information of movement station current location E1, calculate relative toVirtual target S1's shows to angle value, shows what movement station actual measurement was obtained and compare with the value to angle value, more than setting deviationData will be dropped, most obtain meeting virtual target S1 at last shows U Degree U according to number（As show to degree matching value）ForN1。
4. the data screening of other virtual targets：Continue by showing of being measured in current location E1 to degree information respectively with remainingS2 ... Si virtual targets are shown and screened to degree that also respectively obtain respective virtual target shows that to degree matching value be N2 ... Ni.
5. the preliminary rejecting of virtual target：By minimum value N in N1 ... NiminCorresponding SNminVirtual emission source is from doubtfulWeeded out in emission source set.
6. the direction finding Data Collection of position 2：Mobile direction finding site presses predeterminable area, and shift position to E2 is again started up the survey of systemTo function, the quick direction finding data that level detection thresholding and direction finding quality threshold are reached to multiple are recorded.
7. the screening again of virtual target data：In the manner aforesaid, the GPS letters of current E2 positions movement station are obtained againBreath, calculates showing to angle value relative to virtual target S1 ... Si-1, and actual measurement is shown carry out matching ratio to angle value and above-mentioned valueCompared with obtaining S1 ..., Si-1's shows to degree matching value respectively N1 ... Ni-1；
8. the rejecting again of virtual target：By minimum value N in N1 ... Ni-1min2Corresponding SNmin2Virtual emission source is from doubtful hairPenetrate and weeded out in the set of source.
9. the preliminary confirmation of emitting area：In remaining i-2 emission source, if can find twice test in show toDegree matching value is the same area of maximum, then can tentatively judge that emission source is located at the region.
10. emitting area is continued to search for：If can not find the region for meeting the condition or meet the region of the condition notOnly one, then monitoring station to position E3 is continued to move to, measured by foregoing method and shown to degree examination, shown what is obtained to degreeMinimum value corresponding region is rejected in matching value.
11. emitting areas are reaffirmed：If only a remaining region both can determine whether that the region had transmitting after rejectingSource；Or show that matching value adds up maximum sole zone and leading other regions are more apparent to spending in each position repeatedly test（Specific threshold value is predeterminable）As emission source region.
The final confirmation of 12. emitting areas：Monitoring station to E4 ~ EN is continued to move to if requirements above is unsatisfactory forPut, and carry out DATA REASONING and Screening Treatment, untill 11 requirements of satisfaction.
13. emitting areas again grid subdivision with positioning：If it is too big that the emitting area for obtaining is positioned by the first run, it is impossible toConfirm the particular location of transmitting station, can reusing this method in the region that the first run confirms, to re-start mesh generation thinChange, so after many wheel mesh refinements confirm, it is possible to obtain sufficiently accurate position and positioned for transmitting station.
The situation of prior art is different from, the beneficial effects of the invention are as follows：Using gridding cutting techniques by monitored areaIt is divided into multiple net regions to restrain step by step again, quick interference source positioning searching work is carried out with all kinds of existing direction finding technologiesMake, City Building can be greatly reduced, and this works as and the multipath effect caused by reflection, the distortion rate of reduction signal.
Brief description of the drawings
Fig. 1 is embodiment of the present invention mobile monitoring station automatic positioning method flow chart.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, completeSite preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based onEmbodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not madeEmbodiment, belongs to the scope of protection of the invention.
Mobile monitoring station automatic positioning method of the present invention as shown in Figure 1, its workflow is as follows：
There is provided a kind of mobile monitoring station automatic positioning method, it is characterised in that the reality of the mobile monitoring station automatic positioning methodExisting step is as follows：
1. the division of Virtual Monitoring grid：It is situations such as before test according to geographical position, the building distribution of tested region, general by waitingEach class standard such as rate, homalographic divides multiple（It is typically four）Grid cell D1, D2 ... Di, imagination its in have virtual emission sourceCorresponding S1, S2 ... Si is set to, and records the latitude and longitude information in each region.
2. the direction finding Data Collection of position 1：Mobile direction finding site reaches in the direction-measuring function of current location E1 activation systems to multipleQuick direction finding data to level detection thresholding and direction finding quality threshold are recorded.
3. the data preliminary screening of virtual target S1：Obtain the GPS information of movement station current location E1, calculate relative toVirtual target S1's shows to angle value, shows what movement station actual measurement was obtained and compare with the value to angle value, more than setting deviationData will be dropped, most obtain meeting virtual target S1 at last shows U Degree U according to number（As show to degree matching value）ForN1。
4. the data screening of other virtual targets：Continue by showing of being measured in current location E1 to degree information respectively with remainingS2 ... Si virtual targets are shown and screened to degree that also respectively obtain respective virtual target shows that to degree matching value be N2 ... Ni.
5. the preliminary rejecting of virtual target：By minimum value N in N1 ... NiminCorresponding SNminVirtual emission source is from doubtfulWeeded out in emission source set.
6. the direction finding Data Collection of position 2：Mobile direction finding site presses predeterminable area, and shift position to E2 is again started up the survey of systemTo function, the quick direction finding data that level detection thresholding and direction finding quality threshold are reached to multiple are recorded.
7. the screening again of virtual target data：In the manner aforesaid, the GPS letters of current E2 positions movement station are obtained againBreath, calculates showing to angle value relative to virtual target S1 ... Si-1, and actual measurement is shown carry out matching ratio to angle value and above-mentioned valueCompared with obtaining S1 ..., Si-1's shows to degree matching value respectively N1 ... Ni-1；
8. the rejecting again of virtual target：By minimum value N in N1 ... Ni-1min2Corresponding SNmin2Virtual emission source is from doubtful hairPenetrate and weeded out in the set of source.
9. the preliminary confirmation of emitting area：In remaining i-2 emission source, if can find twice test in show toDegree matching value is the same area of maximum, then can tentatively judge that emission source is located at the region.
10. emitting area is continued to search for：If can not find the region for meeting the condition or meet the region of the condition notOnly one, then monitoring station to position E3 is continued to move to, measured by foregoing method and shown to degree examination, shown what is obtained to degreeMinimum value corresponding region is rejected in matching value.
11. emitting areas are reaffirmed：If only a remaining region both can determine whether that the region had transmitting after rejectingSource；Or show that matching value adds up maximum sole zone and leading other regions are more apparent to spending in each position repeatedly test（Specific threshold value is predeterminable）As emission source region.
The final confirmation of 12. emitting areas：Monitoring station to E4 ~ EN is continued to move to if requirements above is unsatisfactory forPut, and carry out DATA REASONING and Screening Treatment, untill 11 requirements of satisfaction.
13. emitting areas again grid subdivision with positioning：If it is too big that the emitting area for obtaining is positioned by the first run, it is impossible toConfirm the particular location of transmitting station, can reusing this method in the region that the first run confirms, to re-start mesh generation thinChange, so after many wheel mesh refinements confirm, it is possible to obtain sufficiently accurate position and positioned for transmitting station.
Through the above way, the mobile monitoring station automatic positioning method of the embodiment of the present invention will using gridding cutting techniquesMonitored area is divided into multiple net regions to restrain step by step again, and quick interference source positioning is carried out with all kinds of existing direction finding technologiesSearching work, City Building can be greatly reduced, and this works as and the multipath effect caused by reflection, the distortion rate of reduction signal.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hairEquivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skillsArt field, is included within the scope of the present invention.