Tag Archives: GPS location

Positioning and monitoring in real-time – Clean Street without trash   According to the news reports, Beijing launched integrated management mode which implement of urban and rural, regardless of the area Street station, regardless of primary and secondary roads, regardless of the community, the implementation is just for a standard. Equip with full-time cleaners, advanced […]

Why GPS drift when Stationary   GPS positioning principle To understand this problem, first of all, we should understand the GPS positioning principle. From a mathematical point of view, it is the space known three positions, and you go to the relative distance of these three, find your location, which is three-dimensional geometry in a […]