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    <title>Nyquist-Ghost on Digital garden</title>
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      <title>EPI成像中周期性调制对Nyquist伪影的影响分析</title>
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      <pubDate>Sun, 18 Aug 2024 10:00:08 +0800</pubDate>
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      <description>引言 在回波平面成像(EPI)中，Nyquist(N/2)伪影是由k空间奇偶线之间的相位差异引起的常见问题。多激发EPI采集时，这些伪影的表现</description>
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