@prefix isq: .
@prefix smart: .
@prefix rdf: .
@prefix dcterms: .
@prefix skos: .
a isq:Entry ;
rdf:type isq:Quantity ;
rdf:type smart:TermEntry ;
dcterms:identifier "7-18" ;
skosxl:prefLabel "luminous exposure"@en ;
skosxl:altLabel "DEPRECATED: quantity of illumination"@en ;
skosxl:altLabel "DEPRECATED: light exposure"@en ;
skosxl:altLabel "H_\"v\""@en ;
skosxl:altLabel "(H)"@en ;
skos:definition "density of incident luminous energy with respect to area at a point on a real or imaginary surface, expressed by\n\n[stem%unnumbered]\n++++\nH_\"v\" = (\"d\"Q_\"v\")/(\"d\"A)\n++++\n\nwhere stem:[Q_\"v\"] is luminous energy (<>) and stem:[A] is the area on which the luminous energy is incident (<>)\n"@en ;
smart:hasBindingnessType "bindingness-type:normative" ;
dcterms:isPartOf ;
isq:hasUnit [
skos:notation "lx*s" ;
skosxl:prefLabel "lux second"@en
] ;
isq:hasUnit [
skos:notation "cd*sr*m^(-2)*s" ;
skosxl:prefLabel "candela steradian second per square metre"@en
] ;
skos:note "Luminous exposure can be derived from the spectral radiant exposure distribution by\n\n[stem%unnumbered]\n++++\nH_\"v\" = K_\"m\" int_0^(oo) H_(\"e\",lambda)(lambda) V(lambda) \"d\"lambda\n++++\n\nwhere stem:[K_\"m\"] is maximum luminous efficacy (<>), stem:[H_(\"e\",lambda)(lambda)] is the spectral radiant exposure (<>) at wavelength stem:[lambda] (<>), and stem:[V(lambda)] is spectral luminous efficiency (<>).\n\nIntegral limits can be confined depending on the spectral sensitivity of the detectors used as a sensor.\n\nThe corresponding radiometric quantity is \"radiant exposure\" (<>). The corresponding quantity for photons is \"photon exposure\" (<>).\n"@en ;
iso:urn .