首页
登录
从业资格
CDMA for cellular systems can be describ
CDMA for cellular systems can be describ
最全题库
2022-08-02
73
问题
CDMA for cellular systems can be described as follows.As with FDMA,each cell is allocated a frequency(本题),which is split into two parts,half for reverse(mobile unit to base station)and half for( )(base station to mobile unit).For full-duplex( ).a mobile unit uses both reverse and forwardchannels.Transmission is in the form of direct-sequence spread( ),which uses a chipping code to increase the data rate of the transmission,resulting inan increased signal bandwidth.Multiple access is provided by assigning( )chipping codes to multiple users,so that the receiver can recover the transmission of an individual unit from multiple transmissions.A.waveB.signalC.bandwidthD.domain
选项
A.wave
B.signal
C.bandwidth
D.domain
答案
C
解析
见下题
转载请注明原文地址:https://tihaiku.com/congyezige/2402486.html
本试题收录于:
中级 网络工程师题库软件水平考试初中高级分类
中级 网络工程师
软件水平考试初中高级
相关试题推荐
( )describestheconfigurableitemsof
CDMAforcellularsystemscanbedescrib
CDMAforcellularsystemscanbedescrib
CDMAforcellularsystemscanbedescrib
CDMAforcellularsystemscanbedescrib
CDMAforcellularsystemscanbedescrib
Duringthesystemsanalysisphase,greate
Duringthesystemsplanningphase,asyst
Thetermcomputerdescribesadevicemad
Thetermcomputerdescribesadevicemad
随机试题
[img]2015m11x/ct_epekm_epelist_0159_201510[/img][br][originaltext]Ienjoyswi
Whatdoesthewomanhelpthemando?[originaltext]WOkay,Ijustneedalittle
WildBillDonovanwouldhavelovedtheInternet.TheAmericanspymasterwhob
Hewasaqualifieddoctorwhorarelypracticedbutinsteaddevotedhislife
金字塔式买入、卖出是在市场行情与预料的相反的情况下所采用的方法。()A、正确B、错误B金字塔式建仓是一种增加合约仓位的方法,即如果建仓后市场行情走势
【教学过程】 (一)创设情境,导入新课 【多媒体展示】 【教师引导】火的使用给我们的生活带来了很多便利,但是使用不当,造成火灾,就会给我们的生活
专职安全员发现施工中的违章指挥和违章作业等不安全状态,正确的做法是()。A
预防羊水栓塞,以下哪项错误A.静脉点滴缩宫素时应避免宫缩过强 B.行人工破膜时
可能会降低企业的资产负债率的公司行为有( )。 Ⅰ.公司配股行为 Ⅱ.公司
患者,男性,70岁,因患胰腺癌入院,入院后经锁骨下静脉给予胃肠外营养,下列关于导
最新回复
(
0
)