The Big Dipper has entered the homes of lanes
positioning accuracy to meter-scale. Authorized service provided to authorized users a safer, more accurate positioning, velocitys
11 Beidou navigation satellite was successfully launched recently, a predetermined transfer orbit. This geostationary satellites will significantly improve the coverage performance of China's western region, also marks the Chinese Beidou regional satellite navigation system has taken an important step in China's space development into large-scale application of.
Satellites in addition to communications that is, the transmission of information, there are two purposes: earth observation, perception of space and navigation and positioning. The most complex navigation and positioning, it relies on the establishment of dozens of stars according to certain rules run satellite constellation. The Big Dipper will be to provide people with the navigation and positioning services beyond the imagination.
Beidou navigation services, including the two types, namely open and authorization services. The opening of the services free of charge at the service area to provide positioning, velocity and timing services, positioning accuracy to meter-scale. Authorized service provided to authorized users a safer, more accurate positioning, velocity, timing and communications services and system integrity. So from time to space, the Beidou Navigation can provide a benchmark for the needs of different users to provide services to meet the various needs of different users, and future millimeter level of precision Global Navigation Satellite System positioning technology is mature, it will greatly promote the professional and scientific research applications.
Under the plan, about the year 2020, China will be built by more than 30 satellites in the Beidou global satellite navigation system, provides global coverage of high-precision, highly reliable positioning, navigation and timing services, Compass will work with the Global Positioning System (GPS) to provide services to the global satellite navigation system. The human contribution to the "Ian" the Chinese nation, through Beidou plan, has entered the era of aerospace positioning and timing.
At present, the rate of development of the satellite positioning industry for all to see, the past few decades, China has been committed to the development of an independent satellite navigation system. The Beidou plan from the initial "top secret", has now applied more widely. Today, the global satellite navigation and positioning technology applications, from aerospace, to the industry, fisheries, agricultural production and daily life can be described as ubiquitous, we can say is "limited only by the constraints of the human imagination". When the regional system and the global system after the completion of the power of the Big Dipper will be doubled,Main product: car dvr will have exactly the same, and GPS functions, resulting in huge economic and social benefits.It is reported that Hainan since November 2010, investment of 79.15 million yuan over 6000 ships, large and medium-sized fishing vessels to install the Beidou navigation system, and implement effective monitoring of management, the system is running a year since the Big Dipper monitoring platform for large and medium-sized fishing boats sent to tropical cyclones and other hazardous weather information 125 million times a billion dollars to restore the economic losses for fishermen.
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