Features of GPS

　　1. Global, continuous navigation positioning capabilities around the weather. GPS can provide continuous, all -weather navigation positioning capabilities for any types of users around or near -ground space. Users do not need to transmit signals, so they can meet multi -user use.

　　2. Real -time navigation, high positioning accuracy, and short observation time. When using GPS positioning, you can obtain several location data in 1S. This almost real -time navigation ability is of great significance for high -dynamic users. At the same time, it can provide users with continuous three -dimensional positions, three -dimensional speed and accurate time information.

　　3. There is no need for the measurement station: GPS measurement only needs to be widened over the measured stations, and it is not required to see each other between the measured stations. Essence

　　The positioning principle of the CPS positioner involves three aspects: GPS global positioning system, server, and positioning service platform.

　　GPS, full name "Global Positioning System"

　　It is a satellite navigation positioning system in the United States. At present, global signal coverage has been achieved. Therefore, the vehicle positioning road generally uses GPS as a positioning method. The 31 satellites that are transporting satellites that are able to launch "satellite electronic texts" to the earth are the original information of these satellite electronic texts for us to locate vehicle positioning.

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The GPS implementation plan has three phases