1986 年 42 巻 1 号 p. 7-12
In this paper, the basic concepts of nuclear magnetic resonance (NMR) are surveyed and the principle of the recent conventional NMR-CT is described briefly. The topics of this survey include : concepts of NMR ; pulsed NMR systems ; spinechos ; method for measuring T_1, T_2 ; principles of projection reconstruction and 2-D FT NMR imaging techniques ; and pulse sequences for these NMR-CTs.