Just as all GPS positioner merchants are promoted, the accuracy of GPS positioning is indeed high, but GPS positioning is affected by the surrounding environmental signals. Assuming that the GPS positioning equipment is located in the area where the high -rise building is standing or a compared to the blockade environment, such as public parking lots, or encountering bad weather, the positioning accuracy of the GPS positioner will be greatly affected. At this time Fit.

　　The characteristic of LBS positioning LBS is low in capital and lunch, and the positioning can be completed according to the original base station. It will not be affected by weather, high -rise buildings, and astronomical locations. In concept, only the difference between the signal of the three base stations needs to be calculated to distinguish the position of the positioner. When the machine and equipment go to the GPS positioning, the "cannot be done".

　　LBS positioning has exerted its characteristic advantages and fills the problem of GPS positioning. The accuracy of LBS positioning is also affected by the intensive level of the positioning base station. When the density of the base station is larger than that, the LBS positioning is less oriented; but when the positioner goes to the remote mountain area or the base station to set up a worse area, the orientation of LBS positioning will be larger than.

　　Dual positioning advantages GPS positioning is only to be accepted to satellite signals as long as the GPS positioning can be seen in the area where the sky can be accepted. Or the signal is poor. In addition, GPS is very vulnerable to the interference in the weather conditions. If the weather is poor, the signal acceptance intensity will be reduced, so that the work effect of the positioner will be very interfered with.

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