电信专业英语期末试卷B及部分答案.docVIP

考 生 信 息 栏 系 专业 级 班级 姓名 学号 装 订 线 20 07 －20 08 学年 第 1 学期 课程名称 专业英语 试卷 卷别 A □ B √ 专业 级 班级 考试 方式 闭卷 √ 开卷 □ 本试卷共 八 大题( 6 页)，满分100分，考试时间120分钟。 请在答题纸上作答，在试卷上作答无效。 一、sensor 传感器 manual 手册 modulate 调制 nucleus 核 oscilloscope 示波器 hardware 硬件 multimedia 多媒体 terminal controllers 终端控制器 downlink frequency spectrum 下行频谱 wireless telephone 无线电话 power cord 电源线 forward bias 正向偏压 二、根据英文缩写，写出英文完整形式及中文意思（本题共5小题，每题2分，共10分） BS 基站 LAN 区域网路 IC 集成电路 射频 Column A Column B (1) receiver (a) the medium used to transmit the signal from the transmitter to the receiver. (2) information source (b) the unwanted which may cause distortions(失真) of sound in a telephone, or errors in telegraph message or data. (3) noise (c) message which may written words, or spoken words, or some form of data. (4) transmitter (d) an equipment which converts the message into a signal suitable for transmission over the channel. (5) channel (e) an equipment which can change the received signal back into a message and passes the message onto its destination. 2. Column A Column B (1) LAN (a) an international standards organization (2) WAN (b) a network that provides communications across country or the entire world. (3) host computer (c) a station which is used to receive and retransmit microwave signals. (4) ISO (d) a computer which is located on a network and provides services to other nodes connected to the network. (5) Microwave relay (e) a network that provides com