FID：自由感应衰减

“自由感应衰减”（Free Induction Decay，简称FID）是物理学等科学领域中常用的术语，通常采用英文缩写FID，以便在书写和学术交流中便捷使用。这一概念主要出现在核磁共振、光谱分析等实验研究中，用于描述特定物理过程信号的衰减现象。

This chapter starts from the history and characteristics of the low-field NMR, then introduces the phenomenon of nuclear magnetic resonance free induction decay ( FID ) signal and spin-echo signal and their obtaining principle, and the entire experiment measuring devices and circuit analysis.
这一章从低场NMR的历史、特点出发，介绍了核磁共振现象中自由感应衰减(FID)（FID）信号和自旋回波（spin-echo）信号的获得原理、整个实验系统的测量装置和电路分析。
It is based on the measurement of the free induction decay ( FID ) signal of the solid phase ( protein and carbo hydrate ) and the liquid phase ( oil ) of oilseed.
它是测量油料种子的固相（蛋白质和碳水化合物）和液相（油）的自由感应衰减(FID)（FID）信号。
Free induction decay signals were transferred into one-dimensional NMR spectrogram via 32 k Fourier transformation.
自由感应衰减(FID)信号经过32k傅立叶变换转为一维NMR谱图。
Measurement of NMR transverse relaxation time of water protons in blood cells by using free induction decay signal
利用FID信号直接测量血细胞中水质子的NMR横向弛豫时间
It has been shown that the optical free induction decay in hollow slab optical waveguides has a lot of different properties from those in non-waveguides.
结果表明：与非波导情况相比，空心平板光波导中的光学自由感应衰减(FID)有许多不同的性质。

本站英语缩略词为个人收集整理，可供非商业用途的复制、使用及分享，但严禁任何形式的采集或批量盗用

若FID词条信息存在错误、不当之处或涉及侵权，请及时联系我们处理：675289112@qq.com。