@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:t3-26.3>
  a isq:Entry ;
  rdf:type isq:Quantity ;
  rdf:type smart:TermEntry ;
  dcterms:identifier "3-26.3" ;
  skosxl:prefLabel "propagation coefficient"@en ;
  skosxl:altLabel "gamma"@en ;
  skos:definition "measure of the change of amplitude and phase angle (<<t3-7>>) of a plane wave propagating in a given direction"@en ;
  smart:hasBindingnessType "bindingness-type:normative" ;
  dcterms:isPartOf <isq:part-3> ;
  isq:hasUnit [
    skos:notation "m^(-1)" ;
    skosxl:prefLabel "per metre"@en
  ] ;
  skos:note "The propagation coefficient is given by:\n\n[stem%unnumbered]\n++++\ngamma = alpha + \"i\" beta\n++++\n\nwhere stem:[alpha] denotes attenuation (<<t3-26.1>>) and stem:[beta] the phase coefficient (<<t3-26.2>>) of a plane wave.\n"@en ;
  iso:urn <urn:iso:std:iso:80000:-3:ed-2:en:item:3-26.3> .