As for purpose of this invention, being the method of executing the nuclear magnetic resonance picture method of the organism,The step which puts the organism in magnetostatic field in order to line up nuclear spin alongside the magnetization axis and,The step which the flip it can point the aforementioned nuclear spin of the atom which exposes the aforementioned organism to slope pulse (G) and cross direction radio frequency pulse (B1) in order to execute the selective excitation of the aforementioned nuclear spin, because of this, is included while slicing the aforementioned organism and,The step which detects the signal which is given out from the nuclear spin which was excited and,The step which reconstructs the magnetic resonance picture of the aforementioned slice of the aforementioned organism the description above on the basis of the signal which is detected and, implication,The aforementioned method, in order for the aforementioned radio frequency pulse to revise the non-uniformity of the aforementioned radio frequency magnetic field of the aforementioned in vivo, has featured that it is constituted by the basic pulse string of the slice selectivity which is almost equal to the basic rectangular pulse train which possesses the fixed frequency which is designed.< Selective figure > Figure 2本発明の目的は、生体の核磁気共鳴画像法を実行する方法であって、磁化軸に沿って核スピンを整列させるために静磁場に生体を置くステップと、前記核スピンの選択的励起を実行するために勾配パルス(G)と横方向ラジオ周波数パルス(B1)に前記生体を露光し、これにより、前記生体のスライス内に含まれる原子の前記核スピンをフリップさせるステップと、励起された核スピンから発せられる信号を検出するステップと、前記検出された信号に基づいて前記生体の前記スライスの磁気共鳴画像を再構成するステップと、を含み、前記方法は、前記ラジオ周波数パルスが前記生体内の前記ラジオ周波数磁場の不均一性を補正するように設計された一定の周波数を有する基本矩形パルス列とほぼ等しいスライス選択性の基本パルス列によって構成されることを特徴としている。【選択図】 図2
