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    <marc:controlfield tag="008">190813e197901##onc||||#ob   f000 0|eng d</marc:controlfield>
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      <marc:subfield code="a">Co23-71/1979E-PDF </marc:subfield>
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      <marc:subfield code="a">Wong, Paul, </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Cross-modulation in the time and frequency domains / </marc:subfield>
      <marc:subfield code="c">Paul K. Wong.</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">Department of Communications, CATV Standards and Practices, </marc:subfield>
      <marc:subfield code="c">January 1979.</marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Innovation, Science and Economic Development Canada].</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (page 24).</marc:subfield>
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      <marc:subfield code="a">"This paper reviews the definitions of amplitude cross-modulation in the time and frequency domains with respect to modulation depths of the video carrier. It is shown that the variations in the percentage of modulation of the desired video carrier can change the compatibility of cross-modulation ratio between the time and frequency domains when cross-modulation ratio is defined as per Broadcast Procedure 23 and 24"--Abstract, page 2.</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Department of Communications.</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">3.33 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/isde-ised/Co23/Co23-71-1979-eng.pdf</marc:subfield>
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