网友您好， 请在下方输入框内输入要搜索的题目：

题目内容 （请给出正确答案）

According to Shannon's equation, what is the channel capacity of an analog voice-grade phone line with a bandwidth of 3100 Hz and a signal-to-noise ratio or 30 dB?

A．9.1 Kbps

B．9.3 Kbps

C．30.9 Kbps

D．30.17 Kbps

参考答案

更多 “ According to Shannon's equation, what is the channel capacity of an analog voice-grade phone line with a bandwidth of 3100 Hz and a signal-to-noise ratio or 30 dB?A．9.1 KbpsB．9.3 KbpsC．30.9 KbpsD．30.17 Kbps ” 相关考题
考题 Theprocessquantizingthecontinuousvaluesintoabinaryscaleiscalled(). A.digital-to-analogconversionB.digital-to-digitalconversionC.analog-to-digitalconversionD.analog-to-analogconversion
查看答案
考题 What’s () is to get information about the situation first. A.the wisestB.a wisestC.the wiserD.wisest
查看答案
考题 What’s the matter now, for God’s ()? A、faceB、sakeC、concernsD、best
查看答案
考题 —几点了？—12：30。—What ‘s________ ________？—It's 12:30．
查看答案
考题 What’s ____ in the bone will come out in the flesh. A、bredB、insertedC、raisedD、broken
查看答案
考题 关于无缓冲和有冲突的channel,下面说法正确的是() A. 无缓冲的channel是默认的缓冲为1的channelB. 无缓冲的channel和有缓冲的channel都是同步的C. 无缓冲的channel和有缓冲的channel都是非同步的D. 无缓冲的channel是同步的，而有缓冲的channel是非同步的
查看答案
考题 Which channel is designated for VHF Digital Selective Calling?A.Channel 70B.Channel 06C.Channel 13D.Channel 16
查看答案
考题 WhichportchannelcommandisrecommendedforN1KVonCiscoUCS?() A.channel-groupautomodeonB.channel-groupautomodeactiveC.channel-groupautomodeonsub-groupcdpD.channel-groupautomodeonsub-groupmanualE.channel-groupautomodeonmac-pinning
查看答案
考题 模拟数字转换器, 英文简称ADC, 英文全称为：A．Ambulance to Digital ConverterB．Analog-to- Destination ConverterC．Ambulance to Destination ConverterD．Analog-to-Digital Converter
查看答案
考题 下面复合过去时性数配合错误的是：A．Nous nous sommes lavés.B．Nous nous sommes lavés les mains.C．Nous sommes restés au lit.D．Nous leur avons téléphoné.
查看答案
热门标签
最新试卷