Why is Beidou satellite accurate in positioning? What parts does it consist of?
The Beidou satellite system came to a perfect conclusion on June 23, 2020. Its successful launch plays an important role in the future social development of our country. Do you know why the Beidou satellite positioning is accurate? What parts does the Beidou satellite navigation and positioning system consist of? Let’s reveal it to you from the constellation knowledge below!
Why is Beidou satellite positioning accurate? The positioning principle of the Beidou satellite navigation and positioning system is actually very simple. After the base station receives the satellite navigation signal, it will form corresponding information through the data processing system, and then use satellites, broadcasts, and mobile communications to and other means to send information to application terminals in real time to implement positioning services. The Beidou satellite navigation and positioning system provides fundamental guarantees for ensuring the security of national high-precision spatio-temporal information.
What parts does the Beidou satellite navigation and positioning system consist of? The Beidou satellite navigation and positioning system consists of three parts: the space segment, the ground segment and the user segment. The space segment consists of several geostationary orbit satellites, inclined geosynchronous orbit satellites and medium earth orbit satellites; the ground segment includes several ground stations such as base stations, main control stations, time synchronization/injection stations and monitoring stations; users The segment includes Beidou’s basic products such as chips, modules, and antennas that are compatible with other satellite navigation systems, as well as terminal products, application systems, and application services. The Beidou satellite navigation and positioning system will achieve precise positioning through these three parts.
: The Beidou satellite navigation system is a satellite navigation system independently constructed and operated by China focusing on the needs of national security and economic and social development. It provides all-weather, all-day, high-precision positioning, National critical space infrastructure for navigation and timing services. With the development of Beidou system construction and service capabilities, related products have been widely used in transportation, marine fisheries, hydrological monitoring, weather forecasting, surveying and mapping geographic information, forest fire prevention, communication timing, power dispatching, disaster relief and reduction, emergency search and rescue and other fields , gradually penetrated into all aspects of human social production and people's lives, injecting new vitality into global economic and social development.
Satellite navigation systems are global public resources, and multi-system compatibility and interoperability have become a development trend. China has always upheld and implemented the development concept of "China's Beidou, the world's Beidou", served the construction and development of the "Belt and Road" initiative, and actively promoted international cooperation on the Beidou system. Join hands with other satellite navigation systems and work with various countries, regions and international organizations to jointly promote the development of the global satellite navigation industry so that the Beidou system can better serve the world and benefit mankind.
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