contents chapter ⅰbasic communication knowledge/基礎通信知識 unit 1digital representation of information/信息的數(shù)字描述 unit 2multimedia information and system/多媒體信息與系統(tǒng) unit 3communication system/通信系統(tǒng) unit 4computer system/計算機系統(tǒng) unit 5computer network/計算機網(wǎng)絡 unit 6communication channel/通信信道 unit 7history of communication technology/通信技術的歷史 chapter ⅱcommunication technologies/通信技術 unit 8fdm tdm pcm/頻分復用時分復用脈沖編碼調制 unit 9mobile communication/移動通信 unit 10optical fiber/光纖通信 unit 11satellite communication/衛(wèi)星通信 unit 12wireless communication/無線通信 unit 13isdn/綜合業(yè)務數(shù)字網(wǎng) unit 14atm/異步傳輸模式 chapter ⅲnew communication technologies/新通信技術 unit 15bluetooth technology/藍牙技術 unit 16introduction to 3g/第3代移動通信技術介紹 unit 174g/第4代移動通信技術 unit 185g/第5代移動通信技術 appendix areference answers/練習參考答案 appendix breference translation/參考譯文 appendix cglossary/詞匯表 reference/參考文獻