<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:controlfield tag="001">9.879546</marc:controlfield>
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    <marc:controlfield tag="005">20221107165537</marc:controlfield>
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      <marc:subfield code="c">CaOODSP</marc:subfield>
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      <marc:subfield code="a">eng</marc:subfield>
      <marc:subfield code="b">fre</marc:subfield>
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      <marc:subfield code="a">n-cn---</marc:subfield>
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      <marc:subfield code="a">Co24-228/1992E-PDF</marc:subfield>
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    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Caron, Bernard, </marc:subfield>
      <marc:subfield code="d">1955- </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Computer simulations and laboratory tests of proposed ghost cancelling systems / </marc:subfield>
      <marc:subfield code="c">by Bernard Caron.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Ottawa : </marc:subfield>
      <marc:subfield code="b">Communications Research Center = Centre de recherches sur les communications,  </marc:subfield>
      <marc:subfield code="c">March 1992.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (31 pages) : </marc:subfield>
      <marc:subfield code="b">charts</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="336" ind1=" " ind2=" ">
      <marc:subfield code="a">text</marc:subfield>
      <marc:subfield code="b">txt</marc:subfield>
      <marc:subfield code="2">rdacontent</marc:subfield>
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    <marc:datafield tag="337" ind1=" " ind2=" ">
      <marc:subfield code="a">computer</marc:subfield>
      <marc:subfield code="b">c</marc:subfield>
      <marc:subfield code="2">rdamedia</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
      <marc:subfield code="2">rdacarrier</marc:subfield>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Digitized edition from print [produced by Innovation, Science and Economic Development Canada].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (page 30).</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"Five different video Ghost Cancelling Reference signais have been proposed to improve television reception in North America. One of them must be selected as a standard. This report presents the computer simulations and laboratory tests performed to evaluate and compare the effectiveness of the proposed video Ghost Cancelling Reference (GCR) Signal. The results have demonstrated that a ghost cancellation system can significantly improve television service, It appears however that more tests may be required before the best GCR signal can be selected as a standard"--Abstract, page 2.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="546" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes abstract in French.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Television</marc:subfield>
      <marc:subfield code="x">Picture quality</marc:subfield>
      <marc:subfield code="x">Computer simulation.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Television</marc:subfield>
      <marc:subfield code="x">Picture quality</marc:subfield>
      <marc:subfield code="x">Testing.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Signal processing</marc:subfield>
      <marc:subfield code="x">Digital techniques</marc:subfield>
      <marc:subfield code="x">Computer simulation.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Télévision</marc:subfield>
      <marc:subfield code="x">Qualité de l'image</marc:subfield>
      <marc:subfield code="x">Simulation par ordinateur.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Télévision</marc:subfield>
      <marc:subfield code="x">Qualité de l'image</marc:subfield>
      <marc:subfield code="x">Essais.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Traitement du signal</marc:subfield>
      <marc:subfield code="x">Techniques numériques</marc:subfield>
      <marc:subfield code="x">Simulation par ordinateur.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="1" ind2=" ">
      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Department of Communications.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">3.56 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/isde-ised/Co24/Co24-228-1992-eng.pdf</marc:subfield>
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