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EntityQ904043· pop 14· linked from 55 articles

自旋迴訊

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Also known as Spin echo、SE

response of spin to electromagnetic radiation

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Vinony's link graph records 55 inbound references to 自旋迴訊, and connects out to spectroscopy, International Standard Book Number and electromagnetic radiation.

It sits within the topics Electron paramagnetic resonance, Magnetic resonance imaging and Nuclear magnetic resonance.

Vinony links it to 13 Wikipedia language editions.

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Spin echo
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Article · 中文

自旋回声,是磁共振現象中的一種訊號來源,相對於第一個射頻脈衝(RF pulse)激發後立刻出現的自由感應衰減(FID),自旋迴訊是透過第二個射頻脈衝之後,將的磁化向量重新聚焦(refocus)而長回來的訊號。「自旋迴訊」是項歷史名詞,若從意義上來看,稱之為射頻迴訊(RF echo)可能更為貼切,以其為射頻聚焦造成的迴訊,相對於利用梯度反轉達成聚焦的梯度迴訊(gradient echo)。

Abstract from DBpedia / Wikipedia · CC BY-SA

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