subject: Compass Navigation Satellite launch to change the pattern of global navigation system - navigation, satellite - Security Industry [print this page] Compass Navigation Satellite launch to change the pattern of global navigation system - navigation, satellite - Security Industry
Following the U.S. Global Positioning System ( GPS ), The EU's "Galileo" Navigation Russia's GLONASS system, and navigation system, the country on January 17 will be the third planet, "Compass" navigation satellite successfully into orbit to form the rival powers of the situation.
This, Aerospace Expert Taylor? Dinerman recent comments in the United States Space Network published an article saying the U.S. GPS urgent need to upgrade, hold the top spot to lead.
Hong Kong, "Asia Times" recently reported that U.S. think tanks in the world Security Institute China Program Director Kongzhe Wen said that 2010 is the "Compass" system critical year, the system will provide China with an independent positioning / navigation capabilities, it will not only impact on commercial navigation in the field, but also because China is to reduce dependence on the U.S. GPS, and a greater strategic impact.
Reported that the U.S. Space Review Network published a space expert Taylor? Dinerman, entitled "China's pressure to promote the U.S. GPS system upgrade," the article, said that China is trying to learn from Europe's "Galileo" system of a these practices.
Reported that the "Galileo" and the United States plan to use M-code GPS signal frequency is very close. Americans do indeed use "then a legislator" psychological. On the one hand the Americans he will not rush to close the frequency of the signal, on the other hand, if others interfere with the frequency, will also affect the GPS satellite navigation system Erzao American retaliation.
Article that China has used its own in the "Galileo" project in the role, from the European counterparts get a similar experience.
Dinerman at the end of the article suggested that for Americans, the best solution is to develop a higher quality of the GPS signal system, that is, from the current GPS-3 system upgrade to the GPS-4, which the United States to continue to sit tight in the satellite navigation Technology The top spot, but also prevent the acquisition and Europe and China rival the U.S. military navigation and positioning capabilities. Background of the
"Big Dipper" has three major competitors
From the international point of view, the present and the "Compass" navigational system, a system similar to three: the U.S. GPS, the EU's "Galileo" navigation system, and the Russian GLONASS navigation system.
U.S. GPS fully completed in 1994, is a middle-distance circular orbit satellite navigation system, most of the Earth's surface area can provide accurate positioning, velocity and high precision time Standard .
Which was founded in 2003, the EU's "Galileo" system, mainly for civilian use, and relatively strong political overtones, often seen as the EU in the field of satellite navigation tools to the words against the United States.
Russian GLONASS satellite navigation system developed by the satellite, ground-based monitoring stations and user equipment of three parts, the system of work by the 21 stars and three stars, the backup. GLONASS system is technically GLONASS GPS system is better than the anti-jamming capability, but the positioning accuracy of less than GPS.
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