【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 總共 48 頁目 錄第 1 章 系統(tǒng)概述 ..........................................................................................................................4 項目背景 .................................................................................................................................4 總體需求 .................................................................................................................................4 網(wǎng)絡(luò)監(jiān)控 .........................................................................................................................4 無線網(wǎng)絡(luò)適應(yīng)性 .............................................................................................................5 數(shù)據(jù)多級管理 .................................................................................................................5 智能交通管理 .................................................................................................................6第 2 章 設(shè)計目標與原則 ...............................................................................................................7 設(shè)計目標 .................................................................................................................................7 設(shè)計原則 .................................................................................................................................7第 3 章 系統(tǒng)方案設(shè)計 ...................................................................................................................9 總體設(shè)計 .................................................................................................................................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 ...............................................................................................................................10 前端攝像機 ...................................................................................................................10 前端拾音器 ...................................................................................................................11 數(shù)字視音頻編碼 ...........................................................................................................12 GPS 定位模塊 ....................................................................................................................12 緊急報警按鈕（可選） ...............................................................................................12 液晶顯示屏（可選） ...................................................................................................12 管理中心設(shè)計 ........................................................................................................................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 總共 48 頁 NRU（存儲服務(wù)器） ........................................................................................................13 接入服務(wù)器 ...................................................................................................................14 Alarm server（報警服務(wù)器） ...........................................................................................15 安全性與擴容性 ...........................................................................................................15 存儲設(shè)計 ...............................................................................................................................15 無線流量控制設(shè)計 ................................................................................................................16 流量和時長統(tǒng)計 ...........................................................................................................16 視頻分發(fā) .......................................................................................................................17 限時播放 .......................................................................................................................17 報警提醒 .......................................................................................................................18 短信上下線 ...................................................................................................................19 無線網(wǎng)絡(luò)適應(yīng)性設(shè)計 ............................................................................................................20 先進的 視頻壓縮技術(shù) ........................................................................................20 動態(tài)調(diào)整編碼參數(shù) .......................................................................................................20 無線防火墻穿透技術(shù) ...................................................................................................20 系統(tǒng)功能 ...............................................................................................................................21 視音頻實時預覽 ...........................................................................................................21 錄像檢索與回放功能 ...................................................................................................22 圖片抓拍 .......................................................................................................................23 手機監(jiān)控 .......................................................................................................................23 報警上傳功能 .........................................................................................................