Application of GPS 1. Measurement

　　GPS technology has brought a revolution to the surveying and mapping industry. By using carrier phase difference technology (RTK), on the basis of real-time processing of the carrier phases of two observation stations, centimeter level accuracy can be achieved. Compared with traditional manual measurement methods, GPS technology has a huge advantage: high measurement accuracy. Easy to operate, small instrument size, and easy to carry. 24/7 operation. There is no need for inter visibility between observation points. The measurement results are unified in WGS84 coordinates, and information is automatically received and stored, reducing tedious intermediate processing steps. At present, GPS technology has been widely used in geodesy, resource exploration, Diastrophism, Cadastral surveying and other fields.

　　Application of GPS II. Transportation

　　Taxi, rental services, logistics and distribution industries use GPS technology to track, dispatch, and manage vehicles, distribute them reasonably, respond to user requests for ride or delivery at the fastest speed, reduce energy consumption, and save operating costs. GPS plays an important role in vehicle navigation, establishing digital traffic radio stations in cities, broadcasting real-time urban traffic information, and accurately positioning vehicle equipment through GPS. Combining electronic maps and real-time traffic conditions, it automatically matches the optimal path and realizes autonomous navigation of driving vehicles. Civil aviation transportation uses GPS receiving equipment to enable pilots to accurately align with the runway when landing, while also making the aircraft compact, improving airport utilization, and guiding the aircraft to safely enter and leave the airport

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