【正文】 公交車載視頻監(jiān)控系統(tǒng)解決方案0公交車載視頻監(jiān)控系統(tǒng)解決方案公交車載視頻監(jiān)控系統(tǒng)解決方案第 1 頁(yè) 總共 48 頁(yè)目 錄第 1 章 系統(tǒng)概述 ..........................................................................................................................4 項(xiàng)目背景 .................................................................................................................................4 總體需求 .................................................................................................................................4 網(wǎng)絡(luò)監(jiān)控 .........................................................................................................................4 無(wú)線網(wǎng)絡(luò)適應(yīng)性 .............................................................................................................5 數(shù)據(jù)多級(jí)管理 .................................................................................................................5 智能交通管理 .................................................................................................................6第 2 章 設(shè)計(jì)目標(biāo)與原則 ...............................................................................................................7 設(shè)計(jì)目標(biāo) .................................................................................................................................7 設(shè)計(jì)原則 .................................................................................................................................7第 3 章 系統(tǒng)方案設(shè)計(jì) ...................................................................................................................9 總體設(shè)計(jì) .................................................................................................................................9 設(shè)備接入層 .....................................................................................................................9 網(wǎng)絡(luò)傳輸層 .....................................................................................................................9 中心管理層 ...................................................................................................................10 業(yè)務(wù)處理層 ...................................................................................................................10 前端設(shè)計(jì) ...............................................................................................................................10 前端攝像機(jī) ...................................................................................................................10 前端拾音器 ...................................................................................................................11 數(shù)字視音頻編碼 ...........................................................................................................12 GPS 定位模塊 ....................................................................................................................12 緊急報(bào)警按鈕（可選） ...............................................................................................12 液晶顯示屏（可選） ...................................................................................................12 管理中心設(shè)計(jì) ........................................................................................................................12 CMS （中心管理服務(wù)器） ..............................................................................................12 VTDU（流媒體服務(wù)器） ..................................................................................................13公交車載視頻監(jiān)控系統(tǒng)解決方案第 2 頁(yè) 總共 48 頁(yè) NRU（存儲(chǔ)服務(wù)器） ........................................................................................................13 接入服務(wù)器 ...................................................................................................................14 Alarm server（報(bào)警服務(wù)器） ...........................................................................................15 安全性與擴(kuò)容性 ...........................................................................................................15 存儲(chǔ)設(shè)計(jì) ...............................................................................................................................15 無(wú)線流量控制設(shè)計(jì) ................................................................................................................16 流量和時(shí)長(zhǎng)統(tǒng)計(jì) ...........................................................................................................16 視頻分發(fā) .......................................................................................................................17 限時(shí)播放 .......................................................................................................................17 報(bào)警提醒 .......................................................................................................................18 短信上下線 ...................................................................................................................19 無(wú)線網(wǎng)絡(luò)適應(yīng)性設(shè)計(jì) ............................................................................................................20 先進(jìn)的 視頻壓縮技術(shù) ........................................................................................20 動(dòng)態(tài)調(diào)整編碼參數(shù) .......................................................................................................20 無(wú)線防火墻穿透技術(shù) ...................................................................................................20 系統(tǒng)功能 ...............................................................................................................................21 視音頻實(shí)時(shí)預(yù)覽 ...........................................................................................................21 錄像檢索與回放功能 ...................................................................................................22 圖片抓拍 .......................................................................................................................23 手機(jī)監(jiān)控 .......................................................................................................................23 報(bào)警上傳功能 .........................................................................................................