Positioning method and positioning system based on bar code identification technology and GIS (Geographic Information System) technology

Abstract

The invention relates to a positioning method and system based on a bar code identification technology and a GIS (Geographic Information System) technology. The positioning system comprises a GIS, a bar code tag generation unit, a bar code tag, a bar code identification unit and a display unit, wherein the GIS is connected with the bar code tag generation unit, the bar code identification unit and the display unit, the bar code tag generation unit is connected with the bar code tag, and the bar code tag is connected with the bar code identification unit. The method and system provided by the invention have the following beneficial effects that: a positioning effect based on an electronic map can be realized in badly shielded environment; the positioning precision is controllable, and the positioning effect can be realized in any space in which the bar code tag can be arranged; the method and the system have no special requirement on equipment and materials, and special instruments are not needed to be installed at the place to be positioned; and the method and the system are simple to operate and easy to popularize, and can realize the positioning effect in combination with common mobile devices such as a smart phone and the like.

Description

technical field [0001] The invention relates to a positioning method and a positioning system based on bar code identification technology and GIS technology. Background technique [0002] At present, the positioning technologies used by people are as follows: [0003] 1. GPS positioning technology [0004] With the popularization of GPS, the technology of positioning by satellite has become very popular. After the user captures the tracked satellite signal through the device --- GPS signal receiver, the user can measure the pseudo-range and distance change rate from the receiving antenna to the satellite, and demodulate the satellite orbit parameters and other data. According to these data, the micro-processing computer in the receiver can perform positioning calculation according to the positioning solution method, and calculate the longitude and latitude information of the user's geographic location, so as to achieve the purpose of geographic positioning. However, due t...

AI Technical Summary

Problems solved by technology

For example, in an exhibition hall, there are three exhibits at a distance of 2 meters. If you use Bluetooth positioning, you need to set up 3 transmission sources, and the coverage of Bluetooth is about 15 meters, which will inevitably cause the problem of overlapping coverage. The operation and maintenance of the

[0013] (2) Low versatility. For example, the exhibition hall uses Bluetooth technology to locate exhibits, so the smart phones, PDAs and other devices carried by users cannot be located if they do not include Bluetooth.

Therefore, the use of the above-mentioned wireless positioning technology often requires the development of special equipment to make the whole set of equipment run effectively, and the cost of the whole set of systems will rise sharply.

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