【正文】 ................... 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 .................................................................................................. 78 綠色照明 .................................................................................................................. 78 視覺作業(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 ................................................................................................................ 81 1疏散照明 ................................................................................................................ 81 安全照明 ................................................................................................................ 82 2備用照明 ................................................................................................................ 82 2值班照明 ................................................................................................................ 82 2警衛(wèi)照明 ................................................................................................................ 82 2 .障礙照明 ............................................................................................................... 82 2頻閃效應(yīng) ................................................................................................................ 82 2光強(qiáng)分布 ................................................................................................................ 82 2光源的發(fā)光效能 ...................................................................................................... 83 2燈具效率 ................................................................................................................ 83 2照度均勻度 ............................................................................................................. 83 眩光 ....................................................................................................................... 83 3 .直接眩光 ............................................................................................................... 83 3不舒適眩光 ............................................................................................................. 83 3統(tǒng)一眩光值 ...............................