【正文】 ............................................................................................................ 13 有線電視子系統(tǒng) ...................................................................................................................................... 14 技術(shù)指標(biāo)分配 ............................................................................................................................... 14 系統(tǒng)節(jié)目規(guī)劃 ............................................................................................................................... 14 3 公共廣播系統(tǒng) .................................................................................................................................................... 15 概述 ........................................................................................................................................................... 15 設(shè)計依據(jù) ................................................................................................................................................... 15 基本功能 ................................................................................................................................................... 15 背景音樂 ........................................................................................................................................ 15 業(yè)務(wù)廣播 ........................................................................................................................................ 15 緊急廣播 ........................................................................................................................................ 15 系統(tǒng)組成 ................................................................................................................................................... 16 系統(tǒng)設(shè)計 ................................................................................................................................................... 16 整體設(shè)計 ........................................................................................................................................ 16 系統(tǒng)組成 ........................................................................................................................................ 16 系統(tǒng)功能 ........................................................................................................................................ 17 線路敷設(shè)及揚聲器安裝 .......................................................................................................................... 17 設(shè)備介紹 ................................................................................................................................................... 17 4 計算機(jī)網(wǎng)絡(luò)系統(tǒng) ................................................................................................................................................ 19 概述 ........................................................................................................................................................... 19 建設(shè)目標(biāo) ........................................................................................................................................ 19 系統(tǒng)設(shè)計原則 ............................................................................................................................... 20 設(shè)計標(biāo)準(zhǔn)及規(guī)格 ........................................................................................................................... 21 局域網(wǎng)系統(tǒng) ............................................................................................................................................... 22 系統(tǒng)總體設(shè)計 ............................................................................................................................... 22 核 心層 ............................................................................................................................................ 23 接入層 ............................................................................................................................................ 23 網(wǎng)絡(luò)管理系統(tǒng) ............................................................................................................................... 23 西安航空職業(yè)技術(shù)學(xué)院 畢業(yè)設(shè)計 論文 5 INTERNET接入 .............................................................................................................................. 24 設(shè)備介紹 ................................................................................................................................................... 24 5 電視監(jiān)控及防盜報警系統(tǒng) ............................................................................................................................... 28 概述 ........................................................................................................................................................... 28 設(shè)計依據(jù) ................................................................................................................................................... 28 設(shè)計原則 ................................................................................................................................................... 29 合理性 ............................................................................................................................................ 29 可靠實用性 .................................................................................................................................... 29 模塊化設(shè)計 .................................................................................................................................... 29 規(guī)范化管理 .................................................................................................................................... 29 系統(tǒng)特點 ................................................................................................................................................... 29 系統(tǒng)功能 ..................................