【正文】 ....................49 ....................................................................................................................................49 ........................................................................................................................................................50四、門禁系統(tǒng)主要構(gòu)件介紹 ............................................................................52五、工作原理 ....................................................................................................533 / 80***停 車 場*** ................................................................................................55一、概述 ............................................................................................................55二、特點(diǎn) ............................................................................................................55三、停車場所具有的主要功能： ....................................................................56四、主要設(shè)備功能 ............................................................................................56 ................................................................................................................................................56 ............................................................................................................................................57 ............................................................................................................................................57 ....................................................................................................................................57（見下表） ............................................................................................................................58 ....................................................................................................................................59 ............................................................................................................................................59***對講系統(tǒng)*** ................................................................................................66考核點(diǎn)及評分 ....................................................................................................71考核說明： ........................................................................................................71考核表 ................................................................................................................714 / 80***閉路監(jiān)控系統(tǒng)***一、攝像機(jī) a. 什么是 CCD 攝像機(jī)？ 　　CCD 是 Charge Coupled Device(電荷耦合器件)的縮寫，它是一種半導(dǎo)體成像器件，因而具有靈敏度高、抗強(qiáng)光、畸變小、體積小、壽命長、抗震動等優(yōu)點(diǎn)。1 / 80目 錄***閉路監(jiān)控系統(tǒng)*** ..........................................................................................4一、攝像機(jī) ..........................................................................................................4 ..........................................................................................................................................................4 攝像機(jī)的選擇和分類 ...............................................................................................................................5 攝像機(jī)的安裝與調(diào)整 ...............................................................................................................................7二、攝像機(jī)鏡頭 ..................................................................................................9 ..................................................................................................................................................................9 ....................................................................................................................................10三、監(jiān)控外圍設(shè)備介紹 ....................................................................................12 ................................................................................................................................................................12 ................................................................................................................................................................14 ............................................................................................................................................................15 ............................................................................................................................................................15 ....................................................................................................................................................15 ....................................................................................................................................................16 ....................................................................................................................................................16 ....................................................................................................................................................16 ............................................................................................................................................................17 ..............................................................................................................................................17 ..........................................................................................................................................17 ..........................................................................................................................................................17 ..............................................................................................................................17 ..........................................................................................................................................18四、DVR(