数字光接收机的灵敏度Pr=100微瓦，则为（）dBm。-在线学习平台

您现在位置：在线学习平台> 模拟考场> 移动通信技术> 光纤通信> 浏览试题

[单选题]

数字光接收机的灵敏度Pr=100微瓦，则为（）dBm。

A-10

B10

C-20

D-30

收藏查看答案

相关题目

热门试题

1. 下列属于单位工程的是________。
2. 城市轨道交通系统在运营时间对设备进行临时抢修后，无须在停运后继续安排临时性的设备补修。
3. 镍氢电池由氢离子和金属镍合成，电量储备比镍镉电池多30%，密度比镍镉电池小，使用寿命也更长，并且对环境无污染。
4. 绘制圆时，需要按下〔〕键再拖动鼠标。
5. I like Chinese food very much. It is ________( difference/different) from America.Miller is a(n) ________(/dishonest/honest) person, and we don’t trust him.I am ________(interest/interested) in this movie. I want to watch it again.Don’t open the window, and keep it________(close/closed) please.Tom had just attended his son’s ________ (graduation/graduate) in Harvard University.I feel like________ (go/going) to Europe for a visit next summer vacation.________ (Personal/Personally), I think he is a very nice partner, though you may not agree.Please show me the photos ________ (take/taken) in Tibet.It is easy________ (say/to say) things, but it’s hard to do them.Many people find telephone interviews________ (difficult/more difficult) than face-to-face interviews.

热门试卷