FDM的英文是（）A、Overload Frequency Division Multiplexing B、Orthogonal Frequency Division Multiplexing C、Overwhelming Frequency Division Multiplexing D、Outstanding Frequency Division Multiplexing

题目

FDM的英文是（）

  • A、Overload Frequency Division Multiplexing 
  • B、Orthogonal Frequency Division Multiplexing 
  • C、Overwhelming Frequency Division Multiplexing 
  • D、Outstanding Frequency Division Multiplexing
相似考题

1.在通信专业中，TDM的英文全称是（），“基带”英文通常翻译为（）。A．Time Delay Method B．Transmission Delay Method C．Time Division Multiplexing D．Time Dividing MultiplexingA．sideband B．baseband C．dual band D．single band

2.对于LTE物理层的多址方案，在下行方向上采用基于循环前缀(Cyclic Prefix，CP)的正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)，在上行方向上采用基于循环前缀的单载波频分多址(Single Carrrier-Frequency Division Multiplexing Access，SC-FDMA)。()

3.F－OFDM英文全称是Flexible Orthogonal Frequency Division Multiplexing,中文叫灵活的正交频分复用。()此题为判断题(对，错)。

4.在通信专业中，WDM的英文全称是（），“吞吐量”英文通常翻译为（）。A．Wierless Digital Modulation B．Wave Division Multiplexing C．Wavelength Division Multiplexing D．Wireless Data Modulation A．traffic flow B．rate C．throughout D．throughput

更多“FDM的英文是（）A、Overload Frequency Division Multiplexing B、Orthogonal Frequency Division Multiplexing C、Overwhelming Frequency Division Multiplexing D、Outstanding Frequency Division Multiplexing”相关问题

  • 第1题：

    Which two statements are true about optical networks?()

    A. SONET and SDH both use time-division multiplexing.

    B. An optical transport network system uses time-division multiplexing.

    C. SONET and SDH both use wavelength-division multiplexing.

    D. An optical transport network system uses wavelength-division multiplexing.


    参考答案：A, D

  • 第2题：

    The traditional way of allocating a single channel among multiple competing users is to chop up its ( ) by using one of the multiplexing schemes such as FDM (Frequency Division Multiplexing). If there are N users, the bandwidth is divided into N equal-sized portions, with each user being assigned one portion. Since each user has a private frequency ( ), there is no interference among users.When there is only a small and constant number of users, each of which has a steady stream or a heavy load of ( 本 题 ), this division is a simple and efficient allocation mechanism. A wireless example is FM radio stations. Each station gets a portion of the FM band and uses it most of the time to broadcast its signal.However, when the number of senders is large and varying or the traffic is ( ), FDM presents some problems. If the spectrum is cut up into N regions while fewer than N users are currently interested in communicating, a large piece of valuable spectrum will be wasted. If more than N users want to communicate, some of them will be denied ( ) for lack of bandwidth.?

    A. traffic
    B. date
    C. bursty
    D. flow

    答案：A
    解析：

  • 第3题：

    The traditional way of allocating a single channel among multiple competing users is to chop up its ( ) by using one of the multiplexing schemes such as FDM (Frequency Division Multiplexing). If there are N users, the bandwidth is divided into N equal-sized portions, with each user being assigned one portion. Since each user has a private frequency ( ), there is no interference among users.When there is only a small and constant number of users, each of which has a steady stream or a heavy load of ( ), this division is a simple and efficient allocation mechanism. A wireless example is FM radio stations. Each station gets a portion of the FM band and uses it most of the time to broadcast its signal.However, when the number of senders is large and varying or the traffic is ( ), FDM presents some problems. If the spectrum is cut up into N regions while fewer than N users are currently interested in communicating, a large piece of valuable spectrum will be wasted. If more than N users want to communicate, some of them will be denied ( 本题 ) for lack of bandwidth.??

    A. allowance
    B. connection
    C. percussion
    D. percussion

    答案：D
    解析：

  • 第4题：

    The traditional way of allocating a single channel among multiple competing users is to chop up its ( 本题 ) by using one of the multiplexing schemes such as FDM (Frequency Division Multiplexing). If there are N users, the bandwidth is divided into N equal-sized portions, with each user being assigned one portion. Since each user has a private frequency ( ), there is no interference among users.When there is only a small and constant number of users, each of which has a steady stream or a heavy load of ( ), this division is a simple and efficient allocation mechanism. A wireless example is FM radio stations. Each station gets a portion of the FM band and uses it most of the time to broadcast its signal.However, when the number of senders is large and varying or the traffic is ( ), FDM presents some problems. If the spectrum is cut up into N regions while fewer than N users are currently interested in communicating, a large piece of valuable spectrum will be wasted. If more than N users want to communicate, some of them will be denied ( ) for lack of bandwidth.??

    A. capability
    B. capacity
    C. ability
    D. power

    答案：B
    解析：

  • 第5题：

    frequency division multiplexing频分多路复用


    正确答案: 一种常用的多路复用技术，容许多个发送方通过公共介质发送。由于每个发送方使用不同的频率，多个发送方能同时发送而不会冲突。

  • 第6题：

    LTE FDD（Frequency Division Duplexing，FDD）采用的是（）

    • A、频分双工
    • B、时分双工
    • C、码间干扰
    • D、多址干扰

    正确答案:A

  • 第7题：

    对于LTE物理层的多址方案，在下行方向上采用基于循环前缀（Cyclic Prefix，CP）的正交频分复用（Orthogonal Frequency Division Multiplexing，OFDM），在上行方向上采用基于循环前缀的单载波频分多址（Single Carrrier-Frequency Division Multiplexing Access，SC-FDMA）。在上行方向上采用基于循环前缀的单载波频分多址（Single Carrrier-Frequency Division Multiplexing Access，SC-FDMA）。


    正确答案:正确

  • 第8题：

    802.11b是基于正交频分复用（Orthogonal Frequency Division Multiplexing，简称OFDM）技术的协议。


    正确答案:错误

  • 第9题：

    WDM与（）本质是相同的。

    • A、OFDM(optical frequency division multiplexing)
    • B、OTDM(optical time division multiplexing)
    • C、CDM(code division multiplexing)
    • D、EDFA(erbium doped fiber amplifier)

    正确答案:A

  • 第10题：

    判断题
    802.11b是基于正交频分复用（Orthogonal Frequency Division Multiplexing，简称OFDM）技术的协议。
    A

    对

    B

    错


    正确答案： 错
    解析： 暂无解析

  • 第11题：

    多选题
    Which two statements are true about optical networks?（）
    A

    SONET and SDH both use time-division multiplexing.

    B

    An optical transport network system uses time-division multiplexing.

    C

    SONET and SDH both use wavelength-division multiplexing.

    D

    An optical transport network system uses wavelength-division multiplexing.


    正确答案： B,D
    解析： 暂无解析

  • 第12题：

    名词解释题
    Time division multiplexing时分多路复用

    正确答案： 一种通用的多路复用技术，容许多个发送方通过公共介质发送，各发送方轮流使用介质。
    解析： 暂无解析

  • 第13题：

    OFDM的英文是()

    A.OverloadFrequencyDivisionMultiplexing

    B.Orthogonal?Frequency?Division?Multiplexing

    C.Overwhelming?Frequency?DivisionMultiplexing

    D.Outstanding?Frequency?Division?Multiplexing


    正确答案：B

  • 第14题：

    The traditional way of allocating a single channel among multiple competing users is to chop up its ( ) by using one of the multiplexing schemes such as FDM (Frequency Division Multiplexing). If there are N users, the bandwidth is divided into N equal-sized portions, with each user being assigned one portion. Since each user has a private frequency ( ), there is no interference among users.When there is only a small and constant number of users, each of which has a steady stream or a heavy load of ( ), this division is a simple and efficient allocation mechanism. A wireless example is FM radio stations. Each station gets a portion of the FM band and uses it most of the time to broadcast its signal.However, when the number of senders is large and varying or the traffic is (本题), FDM presents some problems. If the spectrum is cut up into N regions while fewer than N users are currently interested in communicating, a large piece of valuable spectrum will be wasted. If more than N users want to communicate, some of them will be denied ( ) for lack of bandwidth.??

    A.CONTINUOUS
    B.STEADY
    C.BURSTY
    D.FLOW

    答案：C
    解析：

  • 第15题：

    The traditional way of allocating a single channel among multiple competing users is to chop up its ( ) by using one of the multiplexing schemes such as FDM (Frequency Division Multiplexing). If there are N users, the bandwidth is divided into N equal-sized portions, with each user being assigned one portion. Since each user has a private frequency ( 本题 ), there is no interference among users.When there is only a small and constant number of users, each of which has a steady stream or a heavy load of ( ), this division is a simple and efficient allocation mechanism. A wireless example is FM radio stations. Each station gets a portion of the FM band and uses it most of the time to broadcast its signal.However, when the number of senders is large and varying or the traffic is ( ), FDM presents some problems. If the spectrum is cut up into N regions while fewer than N users are currently interested in communicating, a large piece of valuable spectrum will be wasted. If more than N users want to communicate, some of them will be denied ( ) for lack of bandwidth.??

    A. band
    B. range
    C. domain
    D. assignment

    答案：B
    解析：

  • 第16题：

    码分复用（Code Division Multiplexing，CDM）中，各路信号码元在频谱上和时间上都是（）的，但是不同用户传输的信号是靠各自不同的（正交）编码序列来区分的。


    正确答案:重叠

  • 第17题：

    Time division multiplexing时分多路复用


    正确答案: 一种通用的多路复用技术，容许多个发送方通过公共介质发送，各发送方轮流使用介质。

  • 第18题：

    DWDM英文全称Dense Wavelengh Division Multiplexing，中文释义为（）。


    正确答案:密集波分复用

  • 第19题：

    OFDM的英文全称是（）

    • A、Orthogonal Frequency Division Multiplexing
    • B、Outstanding Frequency Division Multiplexing
    • C、Overwhelming Frequency Division Multiplexing
    • D、Orthogonal Frequency Division Modulation

    正确答案:A

  • 第20题：

    You are the Cisco Network Designer in Cisco.com. Which of these is a Layer 2 transport architecture that provides packet-based transmission optimized for data based on a dual ring topology?（）

    • A、DynamicTrunking Protocol
    • B、Resilient Packet Ring
    • C、Synchronous Digital Hierarchy
    • D、Coarse Wave Division Multiplexing

    正确答案:B

  • 第21题：

    单选题
    OFDM的英文全称是（）
    A

    Orthogonal Frequency Division Multiplexing

    B

    Outstanding Frequency Division Multiplexing

    C

    Overwhelming Frequency Division Multiplexing

    D

    Orthogonal Frequency Division Modulation


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    You are the Cisco Network Designer in Cisco.com. Which of these is a Layer 2 transport architecture that provides packet-based transmission optimized for data based on a dual ringtopology？（）
    A

     Dynamic Trunking Protocol

    B

     Resilient Packet Ring

    C

     Synchronous Digital Hierarchy

    D

     Coarse Wave Division Multiplexing


    正确答案： C
    解析： 暂无解析

  • 第23题：

    名词解释题
    frequency division multiplexing频分多路复用

    正确答案： 一种常用的多路复用技术，容许多个发送方通过公共介质发送。由于每个发送方使用不同的频率，多个发送方能同时发送而不会冲突。
    解析： 暂无解析

相关内容