1. what have we learned in the Unit projector, Possible answers: cellular Mobile Telephone System 2. What is cellular Mobile Telephone System? loud speaker Possible answers: to reuse the allocated frequency band in different geographic locations blackboard

1. Detailed analysis of difficult sentences in the text; 2. the usages of pastparticiple phrases; 3. Affix: inter-, multi

1. to know Cellular Mobile Telephone System Teaching 2. to understand the construction of cellular mobile telephone system Objectives

I单项选择 1.抽样频率 a. sampling rate b. repetition rate c. sampling frequency 答案:c 2.数字通信 a. digital communication b. digital transmission. transmission path 答案:a

Word14 implementi mp manvt.实现,完成成 subscriber szh' ra) traffic[t raf]n.通讯(量),业务,信息量 architectural[a:ki 't ktfa ral]a.建筑上的,结构上的 denote[di' vt.表示,意味着 node[.节点

Word13 multimedia[. mAl i''midjn.多媒体 describe[dis k]v.描述,形容 mixture['m tfan.混合,混合物 consequent['kon wan]a.作为结果的,随之发生的

NEW WORDS AND PHRASES vISIonary[ vita n ari]n.幻想家,梦想家 contribute [kan tribju]v.捐献,贡献 kan]adv.重大的,效果显著的,具有特殊意义的

1. The Internet is the largest repository of information which can provide very very large network resources. The network resources can be divided into

cellular[' se j u13]a.细胞(状)的,蜂窝状的,单元的 mobile[' mou a i l,' mou i()1]a.运动的,流动的,机动的,装在车上的 deploy[di' p iJv.;n.展开,使用,推广应用

asynchronous[a'si6 k ranas]a.异步的 serial[' sirian]a.串行的,串联的 transmission[ t raen z'mi∫an]a.传输,发送 interface[ i n taf e i s]r.接口