组成GPS接收机的两大单元是(    ) A.接收机硬件、数据处理软件  

组成GPS接收机的两大单元是(    )

A.接收机硬件、数据处理软件                 B.天线单元、接收单元

C.发射单元、接收单元                          D.接收单元、处理单元

答案

B


解析:

GPS接收机包括接收机硬件、GPS数据处理软件等用户设备。硬件由天线单元和接收单元两大部分组成。

相关题目

 “存在即被感知”,“物是观念的集合”。这种观点(   
 “存在即被感知”,“物是观念的集合”。这种观点(    ) ①认为事物的存在取决于我们的感觉   ②没有正确看待物质和意识的关系 ③是一种主
       When other nine-year-old kids were playing games, she was working
       When other nine-year-old kids were playing games, she was working at a petrol station. When other teens were studying or going out, she struggled to find a place to sleep on the street
设NA为阿伏伽德罗常数的值,下列叙述不正确的是(   ) A
设NA为阿伏伽德罗常数的值,下列叙述不正确的是(   ) A.含16g氧原子的二氧化硅晶体中含有的σ键数目为2NA B.1mol甲基(—CH3)所含电子数为9NA C.12
Cu与Zn的合金称为黄铜,有优良的导热性和耐腐蚀性,可用作
Cu与Zn的合金称为黄铜,有优良的导热性和耐腐蚀性,可用作各种仪器零件.某化学兴趣小组的同学为了测定某黄铜的组成,取20g该黄铜样品于烧杯中,
 Several new railways are under c________ in China.
 Several new railways are under c________ in China.
城镇化是中国现代化建设的“历史任务”,现阶段应为人们
城镇化是中国现代化建设的“历史任务”,现阶段应为人们自由迁徙、安居乐业创造公平的制度环境。假如你要向有关决策部门提出合理化建议,可选
称为“千里沃野,渔米之乡”的成都平原所受益的水利工程
称为“千里沃野,渔米之乡”的成都平原所受益的水利工程是 A.郑国渠              B.灵渠            C.都江堰              D.白渠
The news that the scientists in China are trying the ways to reduce the fog and
The news that the scientists in China are trying the ways to reduce the fog and haze was ______ on the radio yesterday.   A. turned out         B. found out      C. given out     

最新题目