CN104101352A - Intelligent accurate positioning information radar - Google Patents
Intelligent accurate positioning information radar Download PDFInfo
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- CN104101352A CN104101352A CN201310124335.XA CN201310124335A CN104101352A CN 104101352 A CN104101352 A CN 104101352A CN 201310124335 A CN201310124335 A CN 201310124335A CN 104101352 A CN104101352 A CN 104101352A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3407—Route searching; Route guidance specially adapted for specific applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3667—Display of a road map
- G01C21/367—Details, e.g. road map scale, orientation, zooming, illumination, level of detail, scrolling of road map or positioning of current position marker
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
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Abstract
The invention discloses an information radar, and especially relates to an intelligent accurate positioning information radar. The intelligent accurate positioning information radar can trace the change of the topological structure of surrounding streets of a current position, automatically adjusts the search radius according to the characteristics of the lengths and the topological structure of the stress in all directions, can realize the orientation of a specified direction, and automatically shields the search results of needless directions.
Description
Technical field
Patent of the present invention relates to a kind of Inforadar, the particularly a kind of variation that can follow the tracks of current location periphery street topological structure, automatically adjust search radius according to the feature of all directions Shang street length and topological structure, and can realize the orientation of assigned direction, automatic shield does not need the intelligentized precise location information radar of the Search Results of direction.
Background technology
At present traditional linear vector search engine cannot be followed the variation of avenue topology and problem, the hunting zone of automatically adjusting search radius can only cover a regular circle or rectangular area and cannot accurately cover an irregular geometry graphics field of having embodied best search effect automatically in the world, traditional linear vector search engine can only carry out faceted search simultaneously, and cannot realize accurate beam search and target localization.This means that traveler needs oneself in a large amount of Search Results, Search Results to be optimized to screening, even need to be optimized screening in conjunction with the road name when position periphery, in the time of inquiry peripheral information, bring very large inconvenience not only to traveler, if in the guideboard disappearance at a strange place and crossing or not in obvious place, traveler also cannot judge accurately to the position at the result place of search simultaneously.In order to address these problems, we have proposed to follow the tracks of the variation of current location periphery street topological structure, automatically adjust search radius according to the feature of all directions Shang street length and topological structure, and can realize the orientation of assigned direction, automatic shield does not need the intelligentized precise location information radar solution of the Search Results of direction.
Summary of the invention
The object of this invention is to provide one and overcome above-mentioned deficiency, can follow the tracks of the variation of current location periphery street topological structure, automatically adjust search radius according to the feature of all directions Shang street length and topological structure, and can realize the orientation of assigned direction, automatic shield does not need the intelligentized precise location information radar of the Search Results of direction.
The technical scheme that realizes the object of the invention is: a kind of intelligentized precise location information radar, can be according to the geographic position of current continuous variation, under the support of electronic digit map, dynamically follow the tracks of the variation of current location periphery street topological structure, and by the topological structure to current location periphery street and the intelligent comprehensive analysis of target distribution situation, comprise according to the feature of all directions Shang street length and topological structure and automatically adjust search radius, form a best hunting zone, comprising:
A) under the support of electronic digit map, dynamically follow the tracks of the variation of current location periphery street topological structure: the street or the crossing that in electronic digit map, obtain current place according to current satnav: if on street, centered by Er Duan crossing, current place street, obtain the section of this crossing direct correlation by the corresponding relation in crossing and direct correlation section, and the various parameters relevant to these sections, comprise section towards, the length in section, the satnav position longitude and latitude of section Er Duan corner, between multiple associated sections and between multiple similar parameter, separate with Chinese comma or any other symbol, if at crossing, centered by this crossing, obtain the section of this crossing direct correlation by the corresponding relation in crossing and direct correlation section, and the various parameters relevant to these sections, comprise section towards, the length in section, the satnav position longitude and latitude of section Er Duan corner,
B) the intelligent comprehensive analysis of the topological structure to current location periphery street and target distribution situation: according to the section of the place street Er Duan crossing direct correlation obtaining, according to section title and along the street the corresponding relation of information obtain the information along the street on these sections, and the various parameters relevant to these information, comprise the type of information, title, main management, address, satnav position longitude and latitude, and to forming an information distribution list as shown in Figure 3 according to the type of these information and section, place, information sorting in information list carries out taking section, place as unit, be that information on same section comes together, between different information, separate with symbol " ^ ", the section list at institute's acquired information distribution place is called information space,
C) automatically adjust search radius according to the feature of all directions Shang street length and topological structure: in the time the information in information space being searched for radii fixus, search radius also needs the length in the each section in reference information space, if search radius has exceeded the length in searched section, will automatically dwindle the search radius on this section, until only cover this section; Otherwise, if the length in the section of searching for is less than the length in searched section, need automatically to increase search radius until cover whole section; After the search radius obtaining in each section direction, the section title covering according to search radius obtains information on these sections and forms Search Results, or the satnav longitude and latitude position of the information point on each section is less than search radius to the air line distance of user's current location in information field along the street is all Search Results;
D) naming method in section: section, place ~ left phase cross-channel-right phase cross-channel, list separator " ~ " wherein and "-" they can be also other symbols arbitrarily;
E) naming method at crossing: section, place phase cross-channel, list separator " " wherein can be also other symbols arbitrarily;
Above-mentioned intelligentized precise location information radar can go to the comfort level of Search Results to be optimized sequence apart from the distance of current location with from current location according to Search Results, list wherein recently and all best 10 of comfort levels of going to, show the Search Results ranking the first simultaneously, comprising:
1) go to the comfort level of Search Results to be optimized sequence according to the distance of Search Results distance users current location with from current location: the distance of the result distance users current location that search is obtained sorts, sort according to the comfort level of the result of going to search to obtain from user's current location more simultaneously, ranked first of nearest comfort level the best, distance is identical but comfort level is different taking comfort level for preferentially, when judging distance is far and near, the resolution of distance is 20 meters, it is two objects, 15 meters of 10 meters of distance users current locations and another distances, the far and near distance of this two objects distance users current location is identical,
2) go to the sequence rule of the comfort level of target location: the street at the place of user position is first preferential, the street on the opposite, place street of user position is second preferential, other priorities by go to from current location the required wait for traffic in target street number for according to sorting, if need the traffic signals quantity of wait identical, to go to the far and near sequence of distance in target street from current location;
3) from current location to target information position or the distance in target street can be that air line distance can be also actual walking distance, the unit of distance is rice, range formula or other the general computing formula of the calculating of distance by point to point obtains.
Above-mentioned intelligentized precise location information radar can be only to mobile terminal specific towards direction carry out beam search, and the unwanted information type of automatic shield:
1) directly call detection of handset in smart mobile phone towards compass control obtain current mobile phone towards, by aforementioned a), b) method acquired information space and c), and from information space, obtain the section of current position periphery and these sections towards, calculate current phone towards and these sections towards between angle, and sort by order from small to large, find wherein two sections of angle minimum, calculate the angle that goes to the route in these two sections from current location simultaneously, wherein angle is exactly the section that need search for current phone towards that identical section,
2) obtain all information on this section according to the section title of required search, the information needed type of then setting according to user is screened automatically to information;
3) mobile phone towards refer to compass software indication current phone on smart mobile phone towards and direct north between the angle direction after right turning 90 degrees again;
4) section towards referring to stand in the car lane towards street central authorities on Ci Lu road, then after right turning 90 degrees and the angle of horizontal direction;
5) go to the route angle in target section to refer to from the line between current location and target location and the angle between horizontal direction from current location, linear equation by 2 formations of current location and target location obtains, and the K that angle equals in linear equation Y=KX+C converts angle to.
The present invention has positive effect:
(1) social benefit:
Propose a kind of brand-new geography information search technique and produced thus a kind of brand-new navigation Service form---" information navigation ", the geography information search of China is reached advanced world standards.
(2) economic benefit
The standard configuration that Future Satellite location navigation becomes automobile will be trend of the times, up-to-date data demonstration, and the popularity rate of american car satellite positioning navigation instrument is 65%, has reached respectively 73% and 76% in European Union member countries and Japanese popularity rate.Automobile pollution when China finishes to " 12 " by comparison will reach 1.5 hundred million, but therefore the popularity rate less than 10% of automobile satellite positioning navigation instrument exists huge market development space.
On the other hand, along with 3G smart mobile phone and various personal mobile information terminal based on 3G start to popularize, satellite positioning navigation market will no longer only be confined to traditional vehicle mounted guidance, according to national statistics data, national state in 2012 the trip number of only travelling just reaches 29.57 hundred million person-times, increase by 12.0% than last year, wherein strange land tourist arrivals is 7.7 hundred million person-times, local tourist arrivals is 21.87 hundred million person-times, simultaneously because China has maximum in the world mobile phone colony, predict according to Ministry of Industry and Information, the 3G smart mobile phone recoverable amount of the five-year China reaches to 700,000,000, therefore by various 3G acquisition for mobile terminals such as 3G smart mobile phones the market demand of diversification city satellite positioning navigation service including trip and consumer applications by the growth of blasting property.And enforcement of the present invention can help the motorist section of avoiding blocking up effectively, therefore motorist's welcome is received in comparison.Calculate hundred million yuan of the market capacity Da Dao $150 of the five-year so that every Zhong Duan $20 is first.
Brief description of the drawings
For content of the present invention is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein below
Fig. 1 is avenue distributed data base form;
Fig. 2 is city information database form along the street;
The information distribution list of Fig. 3 shown in being.
Embodiment
1. intelligentized precise location information radar of the present invention, it is characterized in that can be according to the geographic position of current continuous variation, under the support of electronic digit map, dynamically follow the tracks of the variation of current location periphery street topological structure, and by the topological structure to current location periphery street and the intelligent comprehensive analysis of target distribution situation, comprise according to the feature of all directions Shang street length and topological structure and automatically adjust search radius, form a best hunting zone, comprising:
A) under the support of electronic digit map, dynamically follow the tracks of the variation of current location periphery street topological structure: the street or the crossing that in electronic digit map, obtain current place according to current satnav: if on street, centered by Er Duan crossing, current place street, press the avenue distributed data base form shown in Fig. 1, obtain the section of this crossing direct correlation by the corresponding relation in crossing and direct correlation section, and the various parameters relevant to these sections, comprise section towards, the length in section, the satnav position longitude and latitude of section Er Duan corner, between multiple associated sections and between multiple similar parameter, separate with Chinese comma or any other symbol.If at crossing, centered by this crossing, press the avenue distributed data base form shown in Fig. 1, obtain the section of this crossing direct correlation by the corresponding relation in crossing and direct correlation section, and the various parameters relevant to these sections, comprise section towards, the length in section, the satnav position longitude and latitude of section Er Duan corner;
B) the intelligent comprehensive analysis of the topological structure to current location periphery street and target distribution situation: according to the section of the place street Er Duan crossing direct correlation obtaining, press the information database form along the street of the city shown in Fig. 2, according to section title and along the street the corresponding relation of information obtain the information along the street on these sections, and the various parameters relevant to these information, comprise the type of information, title, main management, address, satnav position longitude and latitude, and to forming an information distribution list as shown in Figure 3 according to the type of these information and section, place, information sorting in information list carries out taking section, place as unit, be that information on same section comes together, between different information, separate with symbol " ^ ".The section list at institute's acquired information distribution place is called information space;
C) automatically adjust search radius according to the feature of all directions Shang street length and topological structure: in the time the information in information space being searched for radii fixus, search radius also needs the length in the each section in reference information space, if search radius has exceeded the length in searched section, will automatically dwindle the search radius on this section, until only cover this section.Otherwise, if the length in the section of searching for is less than the length in searched section, need automatically to increase search radius until cover whole section.After the search radius obtaining in each section direction, the information that the section title covering according to search radius obtains on these sections by Fig. 3 forms Search Results, or shown in Fig. 3, what wherein the satnav longitude and latitude position of the information point on each section was less than search radius to the air line distance of user's current location in information field along the street is all Search Results.
D) naming method in section: section, place ~ left phase cross-channel-right phase cross-channel, list separator " ~ " wherein and "-" they can be also other symbols arbitrarily;
E) naming method at crossing: section, place phase cross-channel, list separator " " wherein can be also other symbols arbitrarily;
Go to the comfort level of Search Results to be optimized sequence according to Search Results apart from the distance of current location with from current location, list wherein recently and all best 10 of comfort levels of going to, show which Search Results ranking the first simultaneously, comprising:
1) go to the comfort level of Search Results to be optimized sequence according to the distance of Search Results distance users current location with from current location: the distance of the result distance users current location that search is obtained sorts, sort according to the comfort level of the result of going to search to obtain from user's current location more simultaneously, the bat the first of nearest comfort level the best, distance is identical but comfort level is different taking comfort level for preferentially.When judging distance is far and near, the resolution of distance is 20 meters, i.e. two objects, and 15 meters of 10 meters of distance users current locations and another distances, the far and near distance of this two objects distance users current location is identical;
2) go to the sequence rule of the comfort level of target location: the street at the place of user position is first preferential, the street on the opposite, place street of user position is second preferential, other priorities by go to from current location the required wait for traffic in target street number for according to sorting; If need the traffic signals quantity of wait identical, to go to the far and near sequence of distance in target street from current location;
3) from current location to target information position or the distance in target street can be that air line distance can be also actual walking distance; The unit of distance is rice.The calculating of distance obtains by range formula or other general computing formula of point to point;
Can be only to mobile terminal specific towards direction carry out beam search, and the unwanted information type of automatic shield:
1) directly call detection of handset in smart mobile phone towards compass control obtain current mobile phone towards, by aforementioned a), b) method acquired information space and c), and from information space, obtain the section of current position periphery and these sections towards, calculate current phone towards and these sections towards between angle, and sort by order from small to large, find wherein two sections of angle minimum, calculate the angle that goes to the route in these two sections from current location simultaneously, wherein angle is exactly the section that need search for current phone towards that identical section,
2) in the database table of diagram 3, obtain all information on this section according to the section title of required search, the information needed type of then setting according to user is screened automatically to information;
3) mobile phone towards refer to compass software indication current phone on smart mobile phone towards and direct north between the angle direction after right turning 90 degrees again;
4) section towards referring to stand in the car lane towards street central authorities on Ci Lu road, then after right turning 90 degrees and the angle of horizontal direction;
5) go to the route angle in target section to refer to from the line between current location and target location and the angle between horizontal direction from current location, linear equation by 2 formations of current location and target location obtains, and the K that angle equals in linear equation Y=KX+C converts angle to.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. an intelligentized precise location information radar; It is characterized in that: can be according to the geographic position of current continuous variation, under the support of electronic digit map, dynamically follow the tracks of the variation of current location periphery street topological structure, and by the topological structure to current location periphery street and the intelligent comprehensive analysis of target distribution situation, comprise according to the feature of all directions Shang street length and topological structure and automatically adjust search radius, form a best hunting zone, comprising:
A) under the support of electronic digit map, dynamically follow the tracks of the variation of current location periphery street topological structure: the street or the crossing that in electronic digit map, obtain current place according to current satnav: if on street, centered by Er Duan crossing, current place street, obtain the section of this crossing direct correlation by the corresponding relation in crossing and direct correlation section, and the various parameters relevant to these sections, comprise section towards, the length in section, the satnav position longitude and latitude of section Er Duan corner, between multiple associated sections and between multiple similar parameter, separate with Chinese comma or any other symbol, if at crossing, centered by this crossing, obtain the section of this crossing direct correlation by the corresponding relation in crossing and direct correlation section, and the various parameters relevant to these sections, comprise section towards, the length in section, the satnav position longitude and latitude of section Er Duan corner,
B) the intelligent comprehensive analysis of the topological structure to current location periphery street and target distribution situation: according to the section of the place street Er Duan crossing direct correlation obtaining, according to section title and along the street the corresponding relation of information obtain the information along the street on these sections, and the various parameters relevant to these information, comprise the type of information, title, main management, address, satnav position longitude and latitude, and to forming an information distribution list as shown in Figure 3 according to the type of these information and section, place, information sorting in information list carries out taking section, place as unit, be that information on same section comes together, between different information, separate with symbol " ^ ", the section list at institute's acquired information distribution place is called information space,
C) automatically adjust search radius according to the feature of all directions Shang street length and topological structure: in the time the information in information space being searched for radii fixus, search radius also needs the length in the each section in reference information space, if search radius has exceeded the length in searched section, will automatically dwindle the search radius on this section, until only cover this section; Otherwise, if the length in the section of searching for is less than the length in searched section, need automatically to increase search radius until cover whole section; After the search radius obtaining in each section direction, the section title covering according to search radius obtains information on these sections and forms Search Results, or the satnav longitude and latitude position of the information point on each section is less than search radius to the air line distance of user's current location in information field along the street is all Search Results;
D) naming method in section: section, place ~ left phase cross-channel-right phase cross-channel, list separator " ~ " wherein and "-" they can be also other symbols arbitrarily;
E) naming method at crossing: section, place phase cross-channel, list separator " " wherein can be also other symbols arbitrarily.
2. intelligentized precise location information radar according to claim 1, it is characterized in that: can go to the comfort level of Search Results to be optimized sequence apart from the distance of current location with from current location according to Search Results, list wherein recently and all best 10 of comfort levels of going to, show the Search Results ranking the first simultaneously, comprising:
1) go to the comfort level of Search Results to be optimized sequence according to the distance of Search Results distance users current location with from current location: the distance of the result distance users current location that search is obtained sorts, sort according to the comfort level of the result of going to search to obtain from user's current location more simultaneously, ranked first of nearest comfort level the best, distance is identical but comfort level is different taking comfort level for preferentially, when judging distance is far and near, the resolution of distance is 20 meters, it is two objects, 15 meters of 10 meters of distance users current locations and another distances, the far and near distance of this two objects distance users current location is identical,
2) go to the sequence rule of the comfort level of target location: the street at the place of user position is first preferential, the street on the opposite, place street of user position is second preferential, other priorities by go to from current location the required wait for traffic in target street number for according to sorting, if need the traffic signals quantity of wait identical, to go to the far and near sequence of distance in target street from current location;
3) from current location to target information position or the distance in target street can be that air line distance can be also actual walking distance, the unit of distance is rice, range formula or other the general computing formula of the calculating of distance by point to point obtains.
3. intelligentized precise location information radar according to claim 1, is characterized in that: can be only to mobile terminal specific towards direction carry out beam search, and the unwanted information type of automatic shield:
1) directly call detection of handset in smart mobile phone towards compass control obtain current mobile phone towards, by aforementioned a), b) method acquired information space and c), and from information space, obtain the section of current position periphery and these sections towards, calculate current phone towards and these sections towards between angle, and sort by order from small to large, find wherein two sections of angle minimum, calculate the angle that goes to the route in these two sections from current location simultaneously, wherein angle is exactly the section that need search for current phone towards that identical section,
2) obtain all information on this section according to the section title of required search, the information needed type of then setting according to user is screened automatically to information;
3) mobile phone towards refer to compass software indication current phone on smart mobile phone towards and direct north between the angle direction after right turning 90 degrees again;
4) section towards referring to stand in the car lane towards street central authorities on Ci Lu road, then after right turning 90 degrees and the angle of horizontal direction;
Go to the route angle in target section to refer to from the line between current location and target location and the angle between horizontal direction from current location, linear equation by 2 formations of current location and target location obtains, and the K that angle equals in linear equation Y=KX+C converts angle to.
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