<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:controlfield tag="005">20221107173917</marc:controlfield>
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    <marc:controlfield tag="008">210105e198308  onca    obt  f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">CaOODSP</marc:subfield>
      <marc:subfield code="b">eng</marc:subfield>
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      <marc:subfield code="a">Co24-3/7-1363-1983E-PDF</marc:subfield>
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      <marc:subfield code="a">Rook, B. J., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Preliminary coverage studies for space-based radar surveillance and tracking / </marc:subfield>
      <marc:subfield code="c">by B.J. Rook.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Ottawa : </marc:subfield>
      <marc:subfield code="b">Communications Research Centre, </marc:subfield>
      <marc:subfield code="c">August 1983.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (iv, 23 pages) : </marc:subfield>
      <marc:subfield code="b">illustrations.</marc:subfield>
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      <marc:subfield code="a">text</marc:subfield>
      <marc:subfield code="b">txt</marc:subfield>
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      <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="490" ind1="1" ind2=" ">
      <marc:subfield code="a">CRC report ; </marc:subfield>
      <marc:subfield code="v">no. 1363</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"Radar and Communications Technology Branch."</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"This work was sponsored by the Department of National Defence, Research and Development Branch under Project No. 33C81."</marc:subfield>
    </marc:datafield>
    <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="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Some pages rotated in this copy.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (page 23).</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"A time-based computer simulation of space-based radar (SBR) systems is described. This simulation models the orbital dynamics of multiple radar satellites and computes the instantaneous fields of view of hypothetical onboard surveillance radars. The procedures are illustrated by computer-generated graphical examples. Preliminary coverage studies have been carried out for various satellite configurations, and illustrative results from these studies are provided to demonstrate the usefulness of this simulation in evaluating the performance of SBR systems"--Abstract, page 1.</marc:subfield>
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      <marc:subfield code="a">Issued also in print format.</marc:subfield>
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    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Space-based radar</marc:subfield>
      <marc:subfield code="x">Computer simulation.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Space surveillance</marc:subfield>
      <marc:subfield code="x">Computer simulation.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Artificial satellites</marc:subfield>
      <marc:subfield code="x">Orbits</marc:subfield>
      <marc:subfield code="x">Computer simulation.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Radars spatiaux</marc:subfield>
      <marc:subfield code="x">Simulation par ordinateur.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Reconnaissance spatiale</marc:subfield>
      <marc:subfield code="x">Simulation par ordinateur.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Satellites artificiels</marc:subfield>
      <marc:subfield code="x">Orbites</marc:subfield>
      <marc:subfield code="x">Simulation par ordinateur.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="2" ind2=" ">
      <marc:subfield code="a">Communications Research Centre (Canada), </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">CRC report ;</marc:subfield>
      <marc:subfield code="v">no. 1363.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.882492</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">1.16 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2021/isde-ised/co24/Co24-3-7-1363-1983-eng.pdf</marc:subfield>
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