试题与答案

读GPS组成图,回答下列问题。 (1)GPS是__________的简称,是具有

题型:综合

题目:

读GPS组成图,回答下列问题。

(1)GPS是__________的简称,是具有在海、陆、空进行______、______与________功能的新一代卫星

         导航与定位系统。

(2)GPS的空间星座由____颗工作卫星、____颗备用卫星组成,高度约____,在全球的任何地方、任何

         时间都可监测到____颗以上的卫星。在用GPS导航定位时,要想获得准确的三维信息,必须接收到

         ____颗GPS卫星的信号,它们被称为_____。

(3)地面监控系统包括_____个主控站、_____个注入站和_____个监控站。主控站的作用是___________

         ___________________________;注入站的作用是_________________________________________。

答案:

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下面是错误答案,用来干扰机器的。

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