數(shù)字與模擬通信系統(tǒng)

前言

　　Continuing the tradition of the first through the sixth editions of Digital and Analog　Communication Systems， this new edition provides the latest up-to-date treatment of digital communication systems. It includes numerous updates and new sections on satellite radio broad-casting systems， cable data modems， and wireless data networks， such as Wi-Fi （IEEE 802.11） and Wi-Max （IEEE 802.16） systems. It is written as a textbook for junior or senior engineering students and is also appropriate for an introductory graduate course or as a modem technical reference for practicing electrical engineers. For the first time a Student Solutions Manual is available for download on the web. Go to http：//lcouch.us or http：//couch.ece.ul.edu.

內(nèi)容概要

本書系統(tǒng)地介紹了現(xiàn)代通信系統(tǒng)的基本理論和最新發(fā)展技術(shù)。全書共分8章，內(nèi)容包括：緒論；信號與頻譜；基帶脈沖與數(shù)字信號；帶通信號傳輸原理與電路；AM、FM及數(shù)字調(diào)制系統(tǒng)；隨機(jī)過程與頻譜分析；噪聲背景下通信系統(tǒng)的性能；有線及無線通信系統(tǒng)。每章都有一定的助學(xué)例題及大量的習(xí)題，部分例題及習(xí)題附有MATLAB仿真軟件。新增內(nèi)容主要有數(shù)AM和FM廣播、DSL調(diào)制解調(diào)器、衛(wèi)星數(shù)字無線電廣播、第二代與第三代蜂窩電話系統(tǒng)、電纜數(shù)據(jù)設(shè)制解調(diào)器、Wi-Fi和Wi-Max無線網(wǎng)絡(luò)、學(xué)生資源手冊、Mathcad文件以及MATLAB M文件等。    本書可供工科二、三年級本科生作為教材使用，也適合作為研究生的入門課程教材，或作為電氣工程師的最新技術(shù)參考書。

作者簡介

庫奇教授出生于美國北卡羅來納州達(dá)勒姆，他從小就對電子工程感興趣，高中時就是一名廣播工程師。Leon教授1963年畢業(yè)于美國杜克大學(xué)，獲學(xué)士學(xué)位，以后又在佛羅里達(dá)大學(xué)獲得電子工程碩士和博士學(xué)位。Leoi3分別于1968年和1984年擔(dān)任佛羅里達(dá)大學(xué)助理教授和教授職務(wù)。1990年到2004年，Leon教授擔(dān)任佛羅里達(dá)大學(xué)電子與計算機(jī)協(xié)會副主席。

書籍目錄

PREFACELIST OF SYMBOLS1  INTRODUCTION2  SIGNALS AND SPECTRA3  BASEBAND PULSE AND DIGITAL SIGNALING4  BANDPASS SIGNALING PRINCIPLES AND CIRCUITS5  AM, FM, AND DIGITAL MODULATED SYSTEMS6  RANDOM PROCESSES AND SPECTRAL ANALYSIS7  PERFORMANCE OF COMMUNICATION SYSTEMS CORRUPTED BY NOISE8  WIRE AND WIRELESS COMMUNICATION SYSTEMSAPPENDIX A  MATHEMATICAL TECHNIQUES, IDENTITIES, AND TABLESAPPENDIX B  PROBABILITY AND RANDOM VARIABLESAPPENDIX C  USING MATLABREFERENCESANSWERS TO SELECTED PROBLEMSINDEX

章節(jié)摘錄

　　A digital communication system transfers information from a digital source to the intended receiver （also called the sink）.DEFINITION.An analog communication system transfers information from an analogsource to the sink.Strictly speaking， a digital waveform is defined as a function of time that can haveonly a discrete set of amplitude values. If the digital waveform is a binary waveform， onlytwo values are allowed. An analog waveform is a function of time that has a continuousrange of values.An electronic digital communication system usually has voltage and current waveformsthat have digital values; however， it may have analog waveforms. For example， the informa-tion from a binary source may be transmitted to the receiver by using a sine wave of 1，000 Hzto represent a binary 1 and a sine wave of 500 Hz to represent a binary 0. Here the digital sourceinformation is transmitted to the receiver by the use of analog waveforms， but the system is stillcalled a digital communication system. From this viewpoint， we see that a digital communica-tion engineer needs to know how to analyze analog circuits as well as digital circuits.

編輯推薦

　　這本經(jīng)典的通信原理教材在其第七版中繼承了以前各版本的風(fēng)格和傳統(tǒng)，為讀者介紹了數(shù)字通信系統(tǒng)的最新發(fā)展和技術(shù)?！稊?shù)字與模擬通信系統(tǒng)（第7版）（英文版）》不僅可供工科二、三年級的本科生使用，也適合作為研究生的入門課程教材，教師及學(xué)生可從網(wǎng)站下載學(xué)生題解手冊及教師題解手冊，教師題解手冊僅供授課老師使用。與《數(shù)字與模擬通信系統(tǒng)（第7版）（英文版）》配套的MATLABM文件及Mathcad文件也可從該網(wǎng)站下載?！　　稊?shù)字與模擬通信系統(tǒng)（第7版）（英文版）》特色：　　數(shù)字AM與FM廣播　　電纜數(shù)據(jù)調(diào)制解調(diào)器　　數(shù)字用戶線調(diào)制解調(diào)器　　Wi-F及WiMax無線網(wǎng)絡(luò)　　衛(wèi)星數(shù)字無線廣播　　學(xué)生題解手冊　　2G及3G蜂窩電話系統(tǒng)　　Mathcad文件　　MAtLAB M文件

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