【正文】 .................. 57 二、接線方式： ............................................................................................................. 57 三、注意事項(xiàng)： ............................................................................................................. 58 第二十 五章 闖紅燈照相機(jī)工作原理 .............................................................................. 59 一、闖紅燈照相機(jī)工作原理 ............................................................................................ 59 二、多部照相機(jī)安裝在路口高處，可全視角監(jiān)控任何交通違章者 .................................... 60 三、多數(shù)現(xiàn)代的闖紅燈違章監(jiān)控系統(tǒng)都使用數(shù)碼相機(jī) ..................................................... 60 四、當(dāng)汽車駛過(guò)感應(yīng)環(huán)路時(shí)，它會(huì)擾亂環(huán)路中的電磁場(chǎng) .................................................. 61 五、施工人員切開(kāi)瀝青路面安裝環(huán)路傳感器 ................................................................... 61 六、中央控制盒中安放的就是計(jì)算機(jī) —— 系統(tǒng)的大腦 ..................................................... 62 七、照相機(jī)通過(guò)耐用的長(zhǎng)電線與計(jì)算機(jī)相連 ................................................................... 63 八、抓拍觸發(fā)點(diǎn) ............................................................................................................. 64 九、抓拍中所使用到的其他技術(shù) ..................................................................................... 64 十、電子警察工作原理總結(jié) ............................................................................................ 65 十一、后期處理歸納 ...................................................................................................... 66 十二、信 息損失問(wèn)題 ...................................................................................................... 66 十三、拍攝范圍 ............................................................................................................. 66 十四、如何避免被抓拍 ................................................................................................... 67 第二十六章 紅外的原理知識(shí)介紹 ................................................................................. 68 一． 紅外輻射的發(fā)射及其規(guī)律 ...................................................................................... 68 （一） 黑體的紅外輻射規(guī)律 .......................................................................................... 68 3． 輻射的空間分部規(guī)律 朗伯余弦定律 ......................................................................... 70 （四） 物體之間的輻射傳遞的影響 ............................................................................... 73 （五） 大氣衰減的影響 ................................................................................................. 73 第二十七章 治安卡口系統(tǒng)對(duì)閃光燈的要求 ................................................................... 74 一、治安卡口系統(tǒng)閃光燈概述 ........................................................................................ 74 二、在卡口系統(tǒng)中光源的選擇應(yīng)滿足下列條件： ............................................................ 75 專業(yè)性強(qiáng)： ............................................................................................................... 75 高壽命： .................................................................................................................. 75 瞬間高光強(qiáng)度： ........................................................................................................ 76 支持長(zhǎng)時(shí)間連閃和短時(shí)間內(nèi)高頻連閃； ..................................................................... 76 發(fā)光時(shí)間可以精確調(diào)整： .......................................................................................... 76 具有數(shù)字接口： ........................................................................................................ 76 遠(yuǎn)程智能控制： ........................................................................................................ 77 功率要留有 余地： .................................................................................................... 77 第二十八章 LED 術(shù)語(yǔ) .................................................................................................. 78 綠色照明 .................................................................................................................. 78 視覺(jué)作業(yè) .................................................................................................................. 78 光通量 ...................................................................................................................... 78 發(fā)光強(qiáng)度 .................................................................................................................. 78 亮度 ......................................................................................................................... 79 照度 ......................................................................................................................... 79 維持平均照度 ........................................................................................................... 79 參考平面 .................................................................................................................. 80 作業(yè)面 ...................................................................................................................... 80 亮度對(duì)比 ................................................................................................................ 80 1識(shí)別對(duì)象 ................................................................................................................ 80 1維護(hù)系數(shù) ................................................................................................................ 80 1一般照明 ................................................................................................................ 81 1分區(qū)一般照明 ......................................................................................................... 81 1局部照明 ................................................................................................................ 81 1混合照明 ................................................................................................................ 81 1正常照明 ................................................................................................................ 81 1應(yīng)急照明 .......