CN105355159A - High-precision underground scenic spot self-guide system and positioning method thereof - Google Patents
High-precision underground scenic spot self-guide system and positioning method thereof Download PDFInfo
- Publication number
- CN105355159A CN105355159A CN201510639685.9A CN201510639685A CN105355159A CN 105355159 A CN105355159 A CN 105355159A CN 201510639685 A CN201510639685 A CN 201510639685A CN 105355159 A CN105355159 A CN 105355159A
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- anchor point
- signal generator
- receiving trap
- positional information
- reference input
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F25/00—Audible advertising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Theoretical Computer Science (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention discloses a high-precision underground scenic spot self-guide system and a positioning method thereof. The system comprises a plurality of anchor points, a clock reference source and a receiving device. The positioning method includes: the plurality of anchor points preset at different positions in a scenic spot and sequentially numbered, and respective position information of the anchor points is determined; the clock reference source transmits time signals to the anchor points to enable the anchor points to synchronously transmit the respective position information; and the receiving device is carried by a tourist and used for receiving the position information transmitted by the anchor points and calculating the position of the tourist carrying the receiving device according to the position information. The high-precision underground scenic spot self-guide system and the positioning method are accurate in positioning, and dependence on a guide interpreter is reduced.
Description
Technical field
The invention belongs to field of intelligent control technology, be specifically related to descend scenic spot self-help guide system and localization method thereof accurately.
Background technology
Along with the adjustment of Industry Structure, for tourist industry fast development provides good opportunity to develop, tourist industry is labour concentrated industry, also be the tap of the tertiary industry, its industry chain (supply chain) is long, and radiation is wide, association drive property is strong, this when human resources are abundant by being conducive to, relying on the guiding of national industry structural adjustment, greatly develops tourist industry.After China joined WTO, Tourism in China and relevant industries are accelerated in line with international standards, and these conditions make Speeding up development paces and seek to develop on a large scale to bring new opportunity.Various places tourist industry competition, has split original tourist market.Traveller has had larger choice to travelling products, and this just requires that travelling products have abundanter intension, larger glamour, higher standard.
Present arrival Scene Tourist mainly relies on the modes such as the explanation of scenic spot personnel and reaches understanding to scenic spot humanity history.Often depend on the attainment of interpretation staff to a great extent.Meanwhile, enough interpretation staffs are not often had at focus scenic spot.Therefore, in the urgent need to a kind of scenic spot intelligent guide system, make visitor happy and pleased with oneself, no longer hurry on.
For the space that satellite navigation signals can cover, navigation information can be made full use of and design self-service navigational system.But, for scenic spot, underground as Hanyangling etc., then cannot rely on satellite navigation signals.Meanwhile, underground environment is all irregular in general.Therefore, designing self-service navigational system difficulty increases greatly, and existing system has been difficult to this type of function.
Summary of the invention
Technical matters to be solved by this invention is for above-mentioned the deficiencies in the prior art, provides a kind of accurate positioning, has shared and descended scenic spot self-help guide system and localization method thereof accurately to the dependence of guide interpreting personnel.
For solving the problems of the technologies described above, the technical solution used in the present invention is, the multiple diverse locations in sight spot lay anchor points, and above-mentioned each anchor point number consecutively is determined respective positional information; Timing reference input, timing reference input, to each anchor point signal launch time, enables the positional information of each anchor point synchronized transmissions self; Also comprise the receiving trap carried with for visitor, each receiving trap is used for the positional information that each anchor point of real-time reception is launched, and goes out to carry the real time position of the visitor of this receiving trap according to positional information calculation;
Each anchor point includes baseband signal generator, upconverter, power amplifier and the antenna that signal successively connects, upconverter is also connected with first carrier signal generator, and baseband signal generator is all connected with timing reference input with first carrier signal generator; Each receiving trap includes signal connection successively: low noise amplifier, low-converter, baseband signal processor and user interaction process device, low-converter is also connected with the second carrier signal generator, second carrier signal generator is all connected with timing reference input with baseband signal processor, and low noise amplifier is connected with antenna.
Further, receiving trap receives the positional information that three anchor points are launched at least simultaneously, goes out to carry the position of the visitor of this receiving trap according to the positional information calculation of these three anchor points.
Further, also comprise, receiving trap, according to self-position and movement locus, starts and reports explaining functions, report the sight spot information that prestores corresponding to real time position point to visitor.
The invention also discloses and descend scenic spot self-help guide system accurately in above-mentioned localization method, comprise the multiple anchor points being arranged at diverse location in sight spot, each anchor point is for launching the positional information of self; With the receiving trap that visitor carries, the positional information that receiving trap is launched for receiving each anchor point, according to the positional information of anchor point, determines the position at the visitor place carrying receiving trap, transfers the information of visitor position, and starts report explaining functions; Also comprise timing reference input, each anchor point is all connected with timing reference input, and timing reference input is used for sending signal, to make each anchor point synchronized transmission positional information to each anchor point.
Further, each anchor point includes baseband signal generator, upconverter, power amplifier and the antenna that signal successively connects, upconverter is also connected with first carrier signal generator, and baseband signal generator is all connected with timing reference input with first carrier signal generator;
Each receiving trap includes signal connection successively: low noise amplifier, low-converter, baseband signal processor and user interaction process device, low-converter is also connected with the second carrier signal generator, second carrier signal generator is all connected with timing reference input with baseband signal processor, and low noise amplifier is connected with antenna.
The present invention descends scenic spot self-help guide system and localization method tool thereof to have the following advantages accurately: 1. adopt synchronous clock mechanism, simplify system, and improve system accuracy.2. the quantities increased is few, can not increase the burden of economy and manpower.3. by scenic spot personnel according to circumstances lastest imformation, synchronism can be ensure that.4. reduce the dependence to guide and interpretation staff, improve the service quality at scenic spot, and ensure that the consistance of service.5. the personnel that decrease drop into, and have saved cost.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention descends scenic spot self-help guide system accurately.
Fig. 2 is that the present invention descends scenic spot self-help guide system workflow diagram accurately.
Fig. 3 is anchor point function unit figure in the present invention.
Fig. 4 is receiving trap function unit figure in the present invention.
Embodiment
The present invention descends the localization method of scenic spot self-help guide system accurately, and the method comprises, the multiple diverse locations in sight spot lay anchor points 2, and above-mentioned each anchor point 2 number consecutively is determined respective positional information; Timing reference input 1, described timing reference input 1, to each anchor point 2 signal launch time, makes each anchor point 2 can the positional information of synchronized transmissions self; Also comprise the receiving trap 3 carried with for visitor, the positional information that described each receiving trap 3 is launched for each described anchor point 2 of real-time reception, and go out to carry the real time position of the visitor of this receiving trap 3 according to positional information calculation;
As shown in Figure 3, anchor point 2 comprises baseband signal generator 2-1, upconverter 2-2 and the power amplifier 2-3 of signal connection successively, upconverter 2-2 is also connected with first carrier signal generator 2-4, and baseband signal generator 2-1 is all connected with timing reference input 1 with first carrier signal generator 2-4; The preset position information of each anchor point 2 adopts longitude and latitude mode given; Be numbered to each anchor point 2, as anchor point 2 launches 0001, anchor point 2 launches 0002, the characteristics of signals of baseband signal generator 2-1 is: baseband signal is the spread-spectrum signal based on Gold sequence, the Gold sequence that spreading code uses 10 grades of shift registers to generate, the generator polynomial that the m sequence of its correspondence is preferably right is respectively f (x)=1+x
3+ x
10with f (x)=1+x
2+ x
3+ x
6+ x
8+ x
9+ x
10, its cycle is 1023.Adopt BPSK modulation, carrier frequency adopts 2.4GHz frequency range, and the baseband rate after spread spectrum is 10.23M baud.Baseband signal and carrier signal all produce based on clock reference signal.Anchor point numbering and synchronizing information are modulated to above Gold sequence, and its speed is 10K baud.Owing to have employed high baseband rate, 10.23Mcps, thus general about the 30m of the propagation distance of each chip, system adopts to be correlated with and processes with synchronous, and can obtain the precision of the propagation distance of 1/100, that is its precision can reach about 3cm.
As shown in Figure 4, receiving trap 3 comprises low noise amplifier 3-1, low-converter 3-2, the baseband signal processor 3-3 and user interaction process device 3-4 of signal connection successively, low-converter 3-2 is also connected with the second carrier signal generator 3-5, and the second carrier signal generator 3-5 is all connected with timing reference input 1 with baseband signal processor 3-3.In receiving trap 3, low noise amplifier 3-1 is entered by the signal of antenna induction, after down-converted, receiving trap 3 receives the information coming from anchor point 2 around, and baseband signal processor 3-3 mainly completes the functions such as the synchronous and position calculation of the despreading of spread-spectrum signal.Clock due to anchor point 2 is stringent synchronization, so receiving trap 3 can calculate the relative position of region after demodulating the information of 3 anchor points around smoothly, and then calculates concrete positional information in conjunction with the information of anchor point 2.
This receiving trap 3 receives the positional information that three anchor points 2 are launched at least simultaneously, goes out to carry the position of the visitor of this receiving trap 3 according to the positional information calculation of these three anchor points 2.The present invention descends the localization method of scenic spot self-help guide system accurately, also comprises, and described receiving trap 3, according to self-position and movement locus, starts and reports explaining functions, report the sight spot information that prestores corresponding to real time position point to visitor.
The invention also discloses and descend scenic spot self-help guide system accurately in above-mentioned localization method, as shown in Figure 1, comprise the multiple anchor points 2 being arranged at diverse location in sight spot, each anchor point 2 is for launching the positional information of self; With the receiving trap 3 that visitor carries, the positional information that receiving trap is launched for receiving each anchor point 2, according to the positional information of anchor point 2, determines the position at the visitor place carrying receiving trap 3, transfers the information of visitor position, and starts report explaining functions; Also comprise timing reference input 1, each anchor point 2 is all connected with timing reference input 1, timing reference input 1 for sending signal to each anchor point 2, to make each anchor point 2 synchronized transmission positional information.
One of the present invention descends scenic spot self-help guide system accurately, each anchor point 2 includes baseband signal generator 2-1, upconverter 2-2 that signal successively connects, power amplifier 2-3 and antenna, upconverter 2-2 is also connected with first carrier signal generator 2-4, and baseband signal generator 2-1 is all connected with timing reference input 1 with first carrier signal generator 2-4; Each receiving trap 3 includes signal connection successively: low noise amplifier 3-1, low-converter 3-2, baseband signal processor 3-3 and user interaction process device 3-4, low-converter 3-2 is also connected with the second carrier signal generator 3-5, second carrier signal generator 3-5 is all connected with timing reference input 1 with baseband signal processor 3-3, and low noise amplifier 3-1 is connected with antenna.
As shown in Figure 2, the present invention descends the course of work of scenic spot self-help guide system as follows accurately; Anchor point 2 transmitting site information, receiving trap 3 receives the positional information that anchor point 2 is launched, if do not receive signal, receiving trap 3 does not work, if the positional information of receiving, receiving trap 3 demodulates the numbering of anchor point 2, then unsuccessful demodulation goes out the information of at least three anchor points 2, then calculate the positional information of the visitor carrying receiving trap 3, start voice broadcast, information report is carried out to the sight spot of present position.
The present invention descends scenic spot self-help guide system and localization method thereof accurately, arranges some anchor points 2 according to scenic area and scenic spot, and these anchor point 2 self-positions are known and constantly launch sight spot numbering and locating information, transmits and adopts spread spectrum mode.Receiving trap 3 is anchor point 2 information around main sweep, calculates self-position and movement locus, independently explain relevant information to visitor according to anchor point information.Because native system have employed timing reference input 1, greatly simplify system and increase substantially system accuracy, the positioning precision of centimetre-sized can be obtained and this is that other design proposal institutes are inaccessiable at present.Meanwhile, for usually descending scenic spot, the quantitiess such as the wiring introduced due to timing reference input 1 are also within the scope accepted.
Native system can be widely used in all kinds of tourist attractions, is supplied to visitor uses by scenic spot.Meanwhile, corresponding information updating can be carried out according to the change of scenic environment in scenic spot.After adopting native system, share the dependence to guide interpreting personnel to a great extent, greatly can improve the service quality at scenic spot.
Claims (5)
1. descend the localization method of scenic spot self-help guide system accurately, it is characterized in that, the multiple diverse locations in sight spot lay anchor point (2), and above-mentioned each anchor point (2) number consecutively is determined respective positional information; Timing reference input (1), described timing reference input (1), to each anchor point (2) signal launch time, makes each anchor point (2) can the positional information of synchronized transmissions self; Also comprise the receiving trap (3) carried with for visitor, the positional information that described each receiving trap (3) is launched for each described anchor point (2) of real-time reception, and go out to carry the real time position of the visitor of this receiving trap (3) according to positional information calculation;
Described each anchor point (2) includes baseband signal generator (2-1), upconverter (2-2), power amplifier (2-3) and the antenna that signal successively connects, described upconverter (2-2) is also connected with first carrier signal generator (2-4), and described baseband signal generator (2-1) is all connected with timing reference input (1) with first carrier signal generator (2-4);
Described each receiving trap (3) includes signal connection successively: low noise amplifier (3-1), low-converter (3-2), baseband signal processor (3-3) and user interaction process device (3-4), described low-converter (3-2) is also connected with the second carrier signal generator (3-5), described second carrier signal generator (3-5) is all connected with timing reference input (1) with baseband signal processor (3-3), and described low noise amplifier (3-1) is connected with antenna.
2. according to the localization method descending scenic spot self-help guide system accurately according to claim 1, it is characterized in that, described receiving trap (3) receives the positional information that three anchor points (2) are launched at least simultaneously, goes out to carry the position of the visitor of this receiving trap (3) according to the positional information calculation of these three anchor points (2).
3. according to the localization method descending scenic spot self-help guide system accurately described in claim 1 or 2, it is characterized in that, also comprise, described receiving trap (3) is according to self-position and movement locus, start and report explaining functions, report the sight spot information that prestores corresponding to real time position point to visitor.
4. descend a scenic spot self-help guide system accurately, it is characterized in that, comprise the multiple anchor points (2) being arranged at diverse location in sight spot, each described anchor point (2) is for launching the positional information of self;
With the receiving trap (3) that visitor carries, the positional information that described receiving trap is launched for receiving each anchor point (2), according to the positional information of described anchor point (2), determine the position at the visitor place carrying described receiving trap (3), transfer the information of visitor position, and start report explaining functions;
Also comprise timing reference input (1), each described anchor point (2) is all connected with timing reference input (1), described timing reference input (1) is for sending signal, to make each anchor point (2) synchronized transmission positional information to each anchor point (2).
5. one as claimed in claim 4 descends scenic spot self-help guide system accurately, it is characterized in that, described each anchor point (2) includes baseband signal generator (2-1), upconverter (2-2), power amplifier (2-3) and the antenna that signal successively connects, described upconverter (2-2) is also connected with first carrier signal generator (2-4), and described baseband signal generator (2-1) is all connected with timing reference input (1) with first carrier signal generator (2-4);
Described each receiving trap (3) includes signal connection successively: low noise amplifier (3-1), low-converter (3-2), baseband signal processor (3-3) and user interaction process device (3-4), described low-converter (3-2) is also connected with the second carrier signal generator (3-5), described second carrier signal generator (3-5) is all connected with timing reference input (1) with baseband signal processor (3-3), and described low noise amplifier (3-1) is connected with antenna.
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| CN201510639685.9A CN105355159A (en) | 2015-09-30 | 2015-09-30 | High-precision underground scenic spot self-guide system and positioning method thereof |
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| CN201510639685.9A CN105355159A (en) | 2015-09-30 | 2015-09-30 | High-precision underground scenic spot self-guide system and positioning method thereof |
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Cited By (1)
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|---|---|---|---|---|
| CN106102015A (en) * | 2016-08-26 | 2016-11-09 | 成都鑫原羿天科技有限责任公司 | Tourist attractions automatic guiding system |
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Application publication date: 20160224 |
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