外文资料翻译
obtains the wide-spread application, but it still had the insufficiency. GPS has e a global high and new technology industry, which is one kind of information infrastructure and is entering people's daily life gradually. The existence insufficiency is very obvious, it is the system which controls by military,and it is impossible at any time any place guarantee civil; In the bustling streets, the jungle, or in the mask and the environment bad situation, its usability is restricted; The single system itself has the limitation,and it is impossible to guarantee any application.
receives the attention,but it is actually disappointing. GLONASS once gave people the very optimistic scene, the reality is heartless because of the economical and the technical dual reasons, which enable it only works pletely, now only has the insufficiency ten star work, and is very unstable.
forestalls opponent by a show of strength, with bination application for overall mentality. The Galileo plan lifts up high the pure civil flag, feels relieved for the human with the security sense. Moreover its announce publicly and the patible interaction, strengthened its attraction and petitive power, as well as service guarantee pledge. The richly colorful service may satisfy the different scale and the application domain demand.
multi-bination is better and better, using the equipment is limd
. Many years later, possibly has many satellite navigational system in the sky movement, is the better and better, one is not unnecessary; second, cannot do too using the plex, will otherwise increase the cost largely, the being unable mass promotion; third, will receive after the satellite number will achieve certain number, the satellite signal many (will not bring the obvious advantage again. Generally has the pair of system foot.
enhancement system emerges one after another incessantly, the final outlet is the multi-system'bination. Now various satellite na
GPS定位系统计-毕业论文外文翻译 来自淘豆网m.daumloan.com转载请标明出处.
