目 录unit 1 signals and systems 1lesson 1 signals: audio, image and video 2lesson 2 systems: linear versus nonlinear 7lesson 3 modern electronic communication systems 12exercises 17extensive reading 22passage 1 fourier theorem and spectral analysis 22passage 2 nyquist theorem and analog-to-digital conversion 23passage 3 shannon theorem and channel capacity 25unit 2 information processing 28lesson 4 audio encoding & video encoding 29lesson 5 image and video compression 34lesson 6 data encryption: pgp and des 41exercises 46extensive reading 51passage 1 vocoders 51passage 2 choosing speech codecs for mobile communications 52passage 3 video coding systems 54unit 3 transmission and reception 57lesson 7 channel coding: error detection & correction 58lesson 8 analog modulation and digital modulation 63lesson 9 multiplexing: fdm, tdm and wdm 67exercises 72extensive reading 77passage 1 telephone modems 77passage 2 ofdm 79passage 3 w-cdma 80unit 4 essential components 83lesson 10 antennas 84lesson 11 transmission lines 90lesson 12 analog-to-digital converters (adc) 96exercises 101extensive reading 105passage 1 inside a digital cellular phone 105passage 2 rf circuit elements 107passage 3 digital to analog converters 108unit 5 functional circuits 112lesson 13 phase-locked loops 112lesson 14 prbs generators 116lesson 15 how to draw schematic diagrams 122exercises 126extensive reading 131passage 1 anti-aliasing filters 131passage 2 pcb layout guidelines for mixed-signal systems 132passage 3 selecting the right resonator 134unit 6 wireless communication 138lesson 16 wireless transmission 138lesson 17 the mobile telephone system 143lesson 18 the global positioning system (gps) 150exercises 154extensive reading 159passage 1 the rfid system 159passage 2 software radio 160passage 3 bluetooth wireless technology 162unit 7 cable and optical communication 167lesson 19 guided transmission media 166lesson 20 the fiber optic communication system 171lesson 21 optical amplifiers 176exercises 182extensive reading 186passage 1 adsl 186passage 2 fiber to the home 187passage 3 power line communication 189unit 8 telecommunications networks 194lesson 22 the internet 192lesson 23 third-generation mobile phone networks 196lesson 24 wireless lans: 802.11 201exercises 206extensive reading 211passage 1 network protocols 211passage 2 tcp/ip networks 213passage 3 sonet/sdh 215unit 9 design and implementation 217lesson 25 how to choose a dsp 218lesson 26 the implementation of dtmf decoder 225lesson 27 fiber optics system design 232exercises 239extensive reading 243passage 1 dsp applications in communications 243passage 2 design languages for embedded systems 244passage 3 digital cellular telephones implemented with dsp 247unit 10 measurement and instruments 249lesson 28 signal sources 250lesson 29 spectrum analyzers 255lesson 30 network analyzers 261exercises 266extensive reading 271passage 1 digital oscilloscopes 271passage 2 logic analyzers 272passage 3 mixed signal oscilloscope (mso) 274课文参考译文 277第1课 音频信号、图像信号和视频信号 277第2课 线性系统与非线性系统 278第3课 现代电子通信系统 279第4课 音频编码和视频编码 281第5课 图像和视频的压缩 283第6课 数据加密:pgp和des 285第7课 信道编码:检错与纠错 287第8课 模拟调制与数字调制 289第9课 频分复用、时分复用与波分复用 291第10课 天线 292第11课 传输线 294第12课 模数转换器 296第13课 锁相环(pll) 298第14课 伪随机序列(prbs)发生器 299第15课 如何绘制原理图 301第16课 无线通信信道 303第17课 移动电话系统 305第18课 全球定位系统(gps) 308第19课 制导传输介质 310第20课 光纤通信系统 312第21课 光放大器 315第22课 互联网 316第23课 第三代移动电话网 318第24课 802.11无线局域网 320第25课 如何选择数字信号处理器(dsp) 322第26课 双音多频(dtmf)解码器的实现 324第27课 光纤系统设计 327第28课 信号源 329第29课 频谱分析仪 332第30课 网络分析仪 334