CN202758072U - Sub-meter dynamic difference post-treatment positioning device - Google Patents
Sub-meter dynamic difference post-treatment positioning device Download PDFInfo
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- CN202758072U CN202758072U CN 201220354553 CN201220354553U CN202758072U CN 202758072 U CN202758072 U CN 202758072U CN 201220354553 CN201220354553 CN 201220354553 CN 201220354553 U CN201220354553 U CN 201220354553U CN 202758072 U CN202758072 U CN 202758072U
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Abstract
The utility model relates to the field of radio positioning, navigation, distance measurement or velocity measurement utilizing dispersed points in known positions to define absolute distance and specifically relates to a sub-meter dynamic difference post-treatment positioning device. The sub-meter dynamic difference post-treatment positioning device includes a mobile terminal (1). It is characterized in that the sub-meter dynamic difference post-treatment positioning device also includes a base station (2). The base station (2) includes a central processor (21) of the base station, a storage (22) inside the base station, a storage (23) outside the base station, an input device (24) of the base station, an output device (25) of the base station, a modulation-demodulation module (26) of base station a communication antenna (27) of the base station and a GIS receiving antenna (28) of the base station. The sub-meter dynamic difference post-treatment positioning device provided by the utility model is high in GPS (Global Position System) positioning precision, high in positioning efficiency, low in cost and simple and convenient to operate.
Description
Technical field
The utility model relate to by the spaced point of a plurality of known location determine absolute distance radio direction finding, navigation, the field of finding range or test the speed, be specially a kind of sub-meter grade dynamic difference aftertreatment locating device.
Background technology
GPS, full name Navigation Satellite Timing And Ranging Global Position System, be nautical star when surveying with the range finding GPS, be called for short GPS, the ultimate principle of GPS is to measure the satellite of known location to the distance between the receiver user, and then the data of comprehensive multi-satellite are just known the particular location of receiver.The pattern of at present applying GPS measurement operation mainly contains static aftertreatment and real time dynamic differential, the principle of work of static aftertreatment is: base station gathers the original observed data of gps satellite, be saved in file, movement station is synchronous acquisition gps satellite original observed data also, and is recorded to file, after operation is finished, data file is imported in the computing machine, by the GPS the poster processing soft, with the base station data movement station is carried out the dynamic difference aftertreatment and resolve, obtain positioning result.The principle of work of real time dynamic differential is: after base station receives satellite-signal and positions and calculate observed reading, send by the electromagnetic wave transmitter, movement station is revised the observed reading of oneself after receiving this observed reading in real time, and shows in real time revised observed reading.The advantage of static aftertreatment is that bearing accuracy is high, and cost is low, and is simple to operate, need not the support of cordless communication network, and shortcoming is that the activity duration is very long, can reach more than 40 minutes, and operating efficiency is low; And that the advantage of real time dynamic differential is precision is high, and the activity duration is short, and operating efficiency is high, and shortcoming is that cost is high, and complicated operation needs the support of cordless communication network such as GPRS, just can't operation in the area that does not have cordless communication network.
The utility model content
In order to overcome the defective of prior art, the wireless localization apparatus that a kind of operating efficiency is high, measuring accuracy is high, applied widely is provided, the utility model discloses a kind of sub-meter grade dynamic difference aftertreatment locating device.
The utility model reaches goal of the invention by following technical solution:
A kind of sub-meter grade dynamic difference aftertreatment locating device, comprise portable terminal, portable terminal comprises the portable terminal central processing unit, the portable terminal internal storage, the portable terminal external storage, input device for mobile terminal, the portable terminal output device, portable terminal modulation-demodulation module and communication of mobile terminal antenna, the portable terminal internal storage, the portable terminal external storage, input device for mobile terminal, the portable terminal output device is connected with portable terminal modulation-demodulation module and is connected with the portable terminal central processing unit by signal wire, the communication of mobile terminal antenna is connected with portable terminal modulation-demodulation module by signal wire, it is characterized in that: also comprise the base station, the base station comprises the base station central processing unit, the base station internal storage, the base station external storage, the base station input equipment, the base station output device, base station modulates-demodulation module, base station communication antenna and base station GIS receiving antenna, the base station internal storage, the base station external storage, the base station input equipment, the base station output device is connected demodulation module and all is connected with the base station central processing unit by signal wire with base station modulates, the base station communication antenna is connected with base station GIS receiving antenna by signal wire connection base station modulates-demodulation module, portable terminal also comprises portable terminal GIS receiving antenna, and portable terminal GIS receiving antenna connects portable terminal modulation-demodulation module by signal wire.
Described sub-meter grade dynamic difference aftertreatment locating device is characterized in that: communication of mobile terminal antenna and base station communication antenna all adopt the GSM antenna or all adopt the CDMA antenna; The base station input equipment is selected keyboard and mouse, and the base station output device is selected display and printer.
Described sub-meter grade dynamic difference aftertreatment locating device, it is characterized in that: input device for mobile terminal is selected keyboard, and the portable terminal output device is selected liquid crystal display.
Described sub-meter grade dynamic difference aftertreatment locating device, it is characterized in that: input device for mobile terminal and portable terminal output device are all selected touch-screen.
When the utility model uses, portable terminal is also realized Primary Location by the computing of portable terminal central processing unit by the GIS data that portable terminal GIS receiving antenna reception satellite sends, and simultaneously the satellite carrier phase data that receives is stored on portable terminal internal storage or the portable terminal external storage and the satellite carrier phase data is passed through alignment base station, communication of mobile terminal sky to send; The location is also realized by the computing of base station central processing unit by the GIS data that base station GIS receiving antenna reception satellite sends simultaneously in the base station, and the while is stored in the satellite carrier phase data that receives on base station internal storage or the base station external storage; After Primary Location is finished, the base station to local reception to the satellite carrier phase data and by the base station communication antenna reception to the satellite carrier phase data that sends of portable terminal implement the dynamic difference aftertreatment and resolve, obtain the sub_meter position precision, and positioning result sent it back portable terminal by the base station communication antenna, and show by output device.
The utility model has adopted dynamic difference aftertreatment location, this is a kind of localization method between static aftertreatment location and real time dynamic differential location, it is long that this algorithm had both overcome activity duration of static post processing mode, inefficient shortcoming, the cost that has overcome again real time dynamic differential is high, the shortcoming of complicated operation has reasonablely satisfied high precision, high-level efficiency, cheaply requirement, as shown in Table 1:
Table one: dynamic difference aftertreatment location, static aftertreatment location and real time dynamic differential location three's comparison:
The beneficial effects of the utility model are: the GPS bearing accuracy is high, positioning operation efficient is high, cost is low, easy and simple to handle.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Flow chart of data processing figure when Fig. 2 is the utility model use.
Embodiment
Below further specify the utility model by specific embodiment.
A kind of sub-meter grade dynamic difference aftertreatment locating device, comprise portable terminal 1 and base station 2, portable terminal 1 comprises portable terminal central processing unit 11, portable terminal internal storage 12, portable terminal external storage 13, input device for mobile terminal 14, portable terminal output device 15, portable terminal modulation-demodulation module 16, communication of mobile terminal antenna 17 and portable terminal GIS receiving antenna 18, portable terminal internal storage 12, portable terminal external storage 13, input device for mobile terminal 14, portable terminal output device 15 is connected with portable terminal modulation-demodulation module all and is connected connection with the portable terminal central processing unit by signal wire, and communication of mobile terminal antenna 17 is connected with portable terminal GIS receiving antenna all and is connected connection with portable terminal modulation-demodulation module by signal wire; Base station 2 comprises base station central processing unit 21, base station internal storage 22, base station external storage 23, base station input equipment 24, base station output device 25, base station modulates-demodulation module 26, base station communication antenna 27 and base station GIS receiving antenna 28, base station internal storage 22, base station external storage 23, base station input equipment 24, base station output device 25 are connected demodulation module 26 and all are connected connection with the base station central processing unit by signal wire with base station modulates, base station communication antenna 27 is connected with base station GIS receiving antenna and is all connected base station modulates-demodulation module 26 by signal wire.
GIS is the abbreviation of Geographic Information System, i.e. Geographic Information System.GIS is a kind of computer based instrument, can become figure and analysis with event to the thing that exists on earth, GIS integrates the visualization effect of this uniqueness of map and geography-analysis function and general database manipulation (such as inquiry and statistical study etc.).
In the present embodiment, communication of mobile terminal antenna 17 and base station communication antenna 27 all adopt the GSM antenna, GSM full name Global System for Mobile Communications, and namely global system for mobile communications is commonly called as " Global Link "; Input device for mobile terminal 14 is selected keyboard, and portable terminal output device 15 is selected liquid crystal display; Base station input equipment 24 is selected keyboard and mouse, and base station output device 25 is selected display and printer.
When the present embodiment uses, as shown in Figure 2, portable terminal 1 is also realized Primary Location by the computing of portable terminal central processing unit 11 by the GIS data that portable terminal GIS receiving antenna 18 reception satellites send, and simultaneously the satellite carrier phase data that receives is stored on portable terminal internal storage 12 or the portable terminal external storage 13 and the satellite carrier phase data is passed through communication of mobile terminal antenna 17 to send to the base station; The location is also realized by the computing of base station central processing unit 21 by the GIS data that GIS receiving antenna 28 reception satellites in base station send simultaneously in base station 2, and the while is stored in the satellite carrier phase data that receives on base station internal storage 22 or the base station external storage 23; After Primary Location is finished, the base station to local reception to satellite carrier phase data and the satellite carrier phase data that sends of the portable terminal 1 that receives by base station communication antenna 27 implement the dynamic difference aftertreatment and resolve, obtain the sub_meter position precision, and positioning result sent it back portable terminal by base station communication antenna 27, and show by output device.
A kind of sub-meter grade dynamic difference aftertreatment locating device comprises portable terminal 1 and base station 2, and communication of mobile terminal antenna 17 and base station communication antenna 27 all adopt the CDMA antenna, CDMA full name Code Division Multiple Access, i.e. CDMA; Input device for mobile terminal 14 and portable terminal output device 15 are all selected touch-screen.Other structures and using method are all same with embodiment 1.
Claims (4)
1. sub-meter grade dynamic difference aftertreatment locating device, comprise portable terminal (1), portable terminal (1) comprises portable terminal central processing unit (11), portable terminal internal storage (12), portable terminal external storage (13), input device for mobile terminal (14), portable terminal output device (15), portable terminal modulation-demodulation module (16) and communication of mobile terminal antenna (17)
Portable terminal internal storage (12), portable terminal external storage (13), input device for mobile terminal (14), portable terminal output device (15) and portable terminal modulation-demodulation module are connected 16) all be connected 11 by signal wire with the portable terminal central processing unit) connect, communication of mobile terminal antenna (17) is connected 16 by signal wire with portable terminal modulation-demodulation module) connect
It is characterized in that: also comprise base station (2), base station (2) comprises base station central processing unit (21), base station internal storage (22), base station external storage (23), base station input equipment (24), base station output device (25), base station modulates-demodulation module (26), base station communication antenna (27) and base station GIS receiving antenna (28)
Base station internal storage (22), base station external storage (23), base station input equipment (24), base station output device (25) are connected demodulation module (26) and all are connected 21 by signal wire with the base station central processing unit with base station modulates) connect, base station communication antenna (27) is connected 28 with base station GIS receiving antenna) all connect base station modulates-demodulation module (26) by signal wire
Portable terminal (1) also comprises portable terminal GIS receiving antenna (18), and portable terminal GIS receiving antenna (18) connects portable terminal modulation-demodulation module (16) by signal wire.
2. sub-meter grade dynamic difference aftertreatment locating device as claimed in claim 1, it is characterized in that: communication of mobile terminal antenna (17) and base station communication antenna (27) all adopt the GSM antenna or all adopt the CDMA antenna; Base station input equipment (24) is selected keyboard and mouse, and base station output device (25) is selected display and printer.
3. sub-meter grade dynamic difference aftertreatment locating device as claimed in claim 1 or 2, it is characterized in that: input device for mobile terminal (14) is selected keyboard, and portable terminal output device (15) is selected liquid crystal display.
4. sub-meter grade dynamic difference aftertreatment locating device as claimed in claim 1 or 2, it is characterized in that: input device for mobile terminal (14) and portable terminal output device (15) are all selected touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220354553 CN202758072U (en) | 2012-07-22 | 2012-07-22 | Sub-meter dynamic difference post-treatment positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220354553 CN202758072U (en) | 2012-07-22 | 2012-07-22 | Sub-meter dynamic difference post-treatment positioning device |
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| Publication Number | Publication Date |
|---|---|
| CN202758072U true CN202758072U (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220354553 Expired - Fee Related CN202758072U (en) | 2012-07-22 | 2012-07-22 | Sub-meter dynamic difference post-treatment positioning device |
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| CN (1) | CN202758072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020852A (en) * | 2016-10-31 | 2018-05-11 | 中交北斗技术有限责任公司 | Sub-meter grade high accuracy positioning navigation system and application method outside a kind of wide area room |
-
2012
- 2012-07-22 CN CN 201220354553 patent/CN202758072U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020852A (en) * | 2016-10-31 | 2018-05-11 | 中交北斗技术有限责任公司 | Sub-meter grade high accuracy positioning navigation system and application method outside a kind of wide area room |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20200722 |