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    <identifier>10.57760/sciencedb.j00168.00030</identifier>
    <datestamp>2026-01-14T11:41:35Z</datestamp>
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  <dc:date>2026-01-14</dc:date>
  <dc:title>Research on integer delay estimation method with input signal bandwidth of 20 MHz and center frequency of 1.9 GHz of digital predistortion system</dc:title>
  <dc:identifier>doi:10.57760/sciencedb.j00168.00030</dc:identifier>
  <dc:language>en</dc:language>
  <dc:description>在数字预失真系统中，相关检测方法是一种常用的时间延迟估计算法。为了降低相关函数对噪声的敏感性，降低数字预失真系统的时延估计误差，该文将Hilbert插值法与具有不同加权函数的广义互相关时延估计算法相结合，选择具有较好时延估计性能的基于CC加权的广义相关Hilbert差分算法进行数字整数时延估计通过仿真比较的预失真系统。仿真结果表明，基于CC加权的广义互相关Hilbert差分算法耗时更短，受噪声影响更小，具有较好的时延估计性能，可以有效降低时延估计误差，提高系统性能，具有良好的实际应用价值。</dc:description>
  <dc:subject>digital predistortion; time delay estimation; Hilbert difference;  generalized cross correlation</dc:subject>
  <dc:creator>wang jing yan</dc:creator>
  <dc:creator>Wu Huabing</dc:creator>
  <dc:creator>Ma Hongjiao</dc:creator>
  <dc:rights>PUBLIC</dc:rights>
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  <dc:type>dataset</dc:type>
  <dc:relation>http://www.doi.org/10.13875/j.issn.1674-0637.2024-03-0180-12</dc:relation>
  <dc:publisher>Science Data Bank</dc:publisher>
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