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    2016下半年網(wǎng)絡(luò)工程師考試的報(bào)名即將開始。歷年軟考真題是必不可少的學(xué)習(xí)資料。希賽軟考網(wǎng)為大家整理了2014下半年網(wǎng)絡(luò)工程師考試真題，希望對(duì)大家有所幫助。

      ●CDMA for cellular systems can be described as follows.AS with FDMA,ech cell is allocated a frequency（71）,which is split into two parts,half for reverse(mobile unit to base station)and half for(72)(base station to mobile unit).For full-duplex(73).A mobile unit uses both reverse and forward channels.Transmission is in the form of direct-sequence spread(74),which uses a chipping code to increase the data rate of the transmission,resulting in an increated signal bandwidth.Multiple access is provided by assigning(75)chipping codes to multiple users,so that the receiver can recover the transmission of an individual unit from multiple transmission.

      （71）A.wave

      B.signal

      C.bandwidth

      D.domain

      （72）A.forward

      B.reverse

      C.backward

      D.ahead

      （73）A.connection

      B.transmission

      C.compromise

      D.communication

      （74）A.structure

      B.spectrun

      C.stream

      D.strategy

      （75）A.concurrent

      B.orthogonal

      C.higher

      D.lower

      【參考答案】C A D B A

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