"Public Beidou satellite system for their own driving directions." Zhang Jianheng existing Beidou navigation system, and some or Beidou GPS system where communication signals, the Big Dipper can still be a navigation and positioning. Now part of the safety of transport vehicles in China is already installed on the Beidou navigation system.The Zhang Jianheng introduction, has now been launch 13 Beidou satellite, covering the Asia-Pacific region in the first half of this year, the original plan in 2020 to achieve global coverage, will launch 40 Beidou satellite.
Now and the civil aviation system, the Beidou system applied to world brand elevator international flights.In addition to navigation, the Beidou system timing function is accurate clock on the satellite transmission in order to broadcast the way down, if you watch equipped with a navigation chip, you will never need to adjust the time, the Beidou provide timing accuracy of 50 satisfied The second (a nanosecond is one second and one in one billion). According to reports, has been the Big Dipper watch, but the price is more expensive to strive for mass production in the 2 to 3 years, price around $ 2000 ~ 3000, the general public can be used for timing can be precisely locate the Big Dipper watch.As for the phone installed in the Beidou system, Zhang Jianheng technology has fully matured, as long as the mobile operators willing to cooperate, and will soon be able to enter the mobile phone to facilitate mobile phone users.In addition, the system has a positioning function, has been used on Chinese fishing boats of the Mekong. In addition, the system is installed in passenger and freight car at any time whether the supervision of bus overcrowding overloaded vehicles transporting supplies to reach what position.With the development of rural economy and society, the labors of the early carry animals as beasts of burden, has gradually been convenient, fast and cheap alternative low-speed trucks, three cars and other non-passenger vehicles. However, due to the weak, and some villagers' awareness of road safety and regulatory measures in place, the agricultural vehicle people of repeated, traffic safety, frequency of red light, agricultural vehicles has become a highway "killer".
The number of road traffic accidents caused by the agricultural vehicle people a clear upward trend, a serious contradiction between the travel demand and security. "Come quick, you can also squeeze a" March 2011, the Qingdao Jiaonan Traffic Police Brigade police patrol seized a "pregnant" farm three cars, three cars this car privately modified even stepped down from 18 people. Agricultural vehicles in the countryside, "pregnant" common, followed by a rural road traffic accidents occur frequently. February 7, 2011, Shaanxi Province Dingbian one containing 6 agricultural vehicles, accidents, causing five people were killed on his way to go pro; February 20, Hunan Province,Main products: car dvd player and car dvd , are with good quality. Cili County three hekou Township, sand knife Iwamura agricultural vehicle turned a next of kin under one hundred meters of the cliff, six people died on the spot injured five people; November 23, Sichuan Province, the ancient township of Ganzi Tibetan Autonomous Prefecture Yajiang County evil the territory of an agricultural vehicle to a major road traffic accidents caused 17 deaths, two people were injured ... According to statistics, in the increasingly serious traffic safety situation, as well as for more than 40 percent of the agricultural vehicle traffic accident of total accidents, deaths and accidents.
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