@prefix isq: <https://w3id.org/standards/isq/ontologies/core/> .
@prefix smart: <https://example.org/smart-sdu/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<isq:t3-15>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "3-15" ;
  skosxl:prefLabel "time constant"@en ;
  skosxl:altLabel "tau"@en ;
  skosxl:altLabel "T"@en ;
  skos:definition "parameter characterizing the response to a step input of a first-order, linear time-invariant system"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-3> ;
  isq:hasUnit [
    skos:notation "s" ;
    skosxl:prefLabel "second"@en
  ] ;
  skos:note "If a quantity is a function of the duration (<<t3-9>>) expressed by:\n\n[stem%unnumbered]\n++++\nF(t) prop \"e\"^(-t//tau)\n++++\n\nwhere stem:[t] denotes the duration (<<t3-9>>), then stem:[tau] denotes the time constant. Here the time constant stem:[tau] applies to an exponentially decaying quantity.\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-3:ed-2:en:item:3-15> .