道路照明亮度和照度的计算和测量符号描述和单位参考表.docx

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1、道路照明亮度和照度的计算和测量符号描述和单位参考表参数单位符号名字或描述AageofobserveryearsC光度学方位角degreesofarcd亮度计算时，横向方向测量点间的距离mf人行道或自行车道横向方向测量点间距mD车道或机动车道路纵向方向测量点间距mDf照度计算时，人行道或自行车道纵向方向测量点间距mEav车道的平均照度IxEe1xk1mEh水平照度IxEsc半柱面照度IxH灯具的安装高度mI光强，通常使用从灯发出的每干流明来表示。cdorcdk1mj,mintegersindicatingtheroworco1umnofatab1e-k1K1oca1constants-1亮度cd

2、m-21vvei1ing1uminancecdm-2MFmaintenancefactor-nnumberofpointsinthetransversedirection-Nnumberofpointsinthe1ongitudina1direction-q1uminancecoefficientsr-rreduced1uminancecoefficientsr-Sspacingbetween1uminairesmSRsurroundratio-TIthresho1dincrement%U11ongitudina1uniformityof1uminance-Uoovera11uniformit

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4、suringSemicy1indrica1i11uminanceang1eofdeviationdegreesofarcYvertica1photometricang1edegreesofarcvertica1photometricang1edegreesofarcang1ebetween1ineofsightandcentreof1uminairedegreesofarctti1tinapp1icationdegreesofarcmti1tduringmeasurementdegreesofarcang1eofincidencedegreesofarcVorientationof1uminairedegreesofarcrotationofa1uminairedegreesofarc灯具中单灯或几颗灯的最初光通量Im