China is building a “star-to-one†high-precision space-time service location service solution.
Yang Changfeng, chief designer of Beidou satellite navigation system, said that China will provide 7&TImes; 24-hour high-availability dynamic centimeter-level positioning service for areas including network coverage and desert, ocean and high-altitude without network coverage. Compared with a single satellite-based system, the service will shorten the positioning time by more than 97%, the positioning accuracy can be increased by 50%, and the service availability rate can reach 99.99%. It will be involved in personal driving and production safety in autonomous driving, drones, etc. The application scenario plays an important role in empowering the global intelligent Internet of Things application industry.
At present, the Beidou global system network construction has entered the fast lane. Qi Chengqi, director of the China Satellite Navigation System Management Office, introduced at the meeting that China has launched eight Beidou No. 3 global networking satellites and built the simplest system. About 11 Beidou-3 satellites will be launched this year, and another 11 will be planned from 2019 to 2020. By then, it will have global service capabilities and the system positioning accuracy will reach 2.5 to 5 meters.
In addition to the satellite-based system, the Beidou Augmentation System is also evolving, which will further improve the positioning accuracy and guide the user through the “last centimeterâ€.
Cai Yi, chief scientist of China Ordnance Industry Group and chief designer of Beidou Ground Augmentation System, said that the navigation satellite signal will be inaccurate due to interference from equipment and ionosphere, and cannot fully meet the needs of high-precision location services in the future.
Cai Yi said that the Beidou ground-based augmentation system receives the Beidou satellite signal from the ground reference station and transmits it to the data integrated processing system to eliminate the influence of satellite orbit error, clock error and ionospheric refraction, and then generate correction signals through satellite, digital broadcasting and mobile communication. Wait for the way to broadcast in real time.
Yang Changfeng introduced that the Beidou ground augmentation system was officially launched in September 2014. The basic system has been completed and developed, and it has the ability to provide users with wide-area real-time meter, decimeter, centimeter and post-processing millimeter-level positioning accuracy. .
China Electronics Technology Group has grasped the development of the differential Beidou satellite navigation take-off and landing guidance system, which has become an important means for the landing and landing guidance of various UAV platforms. The related equipment is also advancing towards the commercialization of civil aviation. Subsequent technology can be applied to a variety of manned / drone take-off and landing, aerial refueling, flight formation and other fields.
In addition, the Beidou Tianji Augmentation System officially obtained legal status in October 2017 and is under construction in accordance with international civil aviation standards, providing high-precision, high-end navigation services for civil aviation users.
The theme of this year's annual conference is “Location, Strengthening the Timesâ€, emphasizing the high-precision time-space information enhancement service through the integration of mobile communication, Internet, Internet of Things and big data, helping the information industry, manufacturing, service industry and other fields to enter. Strengthen the era.
Medical protective clothing refers to the protective clothing used by medical personnel (doctors, nurses, public health personnel, cleaners, etc.) and people entering a specific health areas (such as patients, hospital visitors, persons entering the infected area, etc.).
Product advantage:
Breathable, comfortable and antistaticPrevent virus invasion,Good filtration efficiency
Light and soft, Comfortable and durable
Good fire resistance, Scratch resistant,durable and tear resistant
EN14126; ISO EN13485;
protective clothing for covid, protective clothing for mold removal, protective clothing medical, protective clothing amazon, protective clothing and equipment
Jiangmen soundrace electronics and technology co.,ltd. , https://www.soundracegroup.com