名词解释题frequency division multiplexing频分多路复用
名词解释题
frequency division multiplexing频分多路复用
参考解析
解析：
暂无解析
相关考题：
在LTE系统中，为了支持成对的和不成对的频谱，支持频分双工(Frequency Division Duplex，FDD)模式和时分双工(Time Division Duplex，TDD)模式。LTE支持两种类型的无线帧结构：类型1，适应于全双工和半双工的FDD模式，类型2适应于TDD模式。()
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)。()
关于FDD(Frequency Division Duplex，频分全双工)描述正确的是(23)。A．FDD是一种允许专用通信的频分技术B．FDD是一种允许动态介质分配的频分技术C．FDD是一种允许有保证的信息投递的频分技术D．FDD是一种允许双向或全双工通信的频分技术
OFDM的英文是()A.OverloadFrequencyDivisionMultiplexingB.Orthogonal?Frequency?Division?MultiplexingC.Overwhelming?Frequency?DivisionMultiplexingD.Outstanding?Frequency?Division?Multiplexing
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.
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）。
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
OFDM的英文全称是（）A、Orthogonal Frequency Division MultiplexingB、Outstanding Frequency Division MultiplexingC、Overwhelming Frequency Division MultiplexingD、Orthogonal Frequency Division Modulation
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)
多选题Which two statements are true about optical networks?（）ASONET and SDH both use time-division multiplexing.BAn optical transport network system uses time-division multiplexing.CSONET and SDH both use wavelength-division multiplexing.DAn optical transport network system uses wavelength-division multiplexing.
名词解释题Time division multiplexing时分多路复用