2020 专业英语（自动化）(江汉大学)1450768617 最新满分章节测试答案

本答案对应课程为:点我自动跳转查看
本课程起止时间为:2020-02-17到2020-04-06
本篇答案更新状态:已完结

12 Wireless LAN 三单元测验

1、 问题:Modulation is the process of shifting spectrum of one center (    ) to another.
选项：
A:amplitude
B:frequency
C: phase
D: 
答案: 【frequency】

2、 问题:Which one is ground-wave propagation? (       )
选项：
A:
B:
C:
D: 
答案: 【】

3、 问题: Which propagation mode has the longest transmission distance? (   )
选项：
A:Sky-wave propagation
B:Line-of-sight propagation
C:Ground-wave propagation
D: 
答案: 【Sky-wave propagation】

4、 问题:The first image sensor was invented in(    )
选项：
A:Bell Lab
B:Kodak company
C: 
D: 
答案: 【Bell Lab】

5、 问题:Which is not the characteristics of CMOS(    )
选项：
A: strong anti-noise ability
B:highly integrated
C: increasing the rate of final products
D: 
答案: 【highly integrated】

6、 问题: Bluetooth technology makes the office in an (    ) status.
选项：
A:confused
B: constant
C:efficient
D: 
答案: 【efficient】

7、 问题:What is the data rate of bluetooth technology?  (    )
选项：
A: 10 Gb/s 
B:1 Gb/s
C: 10 Mb/s
D:1 Mb/s
答案: 【1 Mb/s】

8、 问题: Which application of bluetooth technology as shown in the figure?
选项：
A:Wearable devices
B:Home security 
C:Home automation
D:Industrial devices
答案: 【Home automation】

9、 问题: Peer-to-peer interconnection means (    )
选项：
A:one station works  as server, others as workstations
B: one station works as both server and workstation