PROBLEM TO BE SOLVED: To provide an MRI system that can provide a notification in accordance with frequency characteristic and conduct measurement of frequency characteristic using a search coil.SOLUTION: A magnetic resonance imaging system 1 includes: a coil for detecting a magnetic field and outputting a detection signal measurement means for conducting frequency sweep over the detection signal to measure frequency characteristic of the detection signal and notification means for notifying that the detection signal contains noise based on the frequency characteristic or notifying whether tuning for the coil is appropriate or not based on the frequency characteristic.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2018,JPO&INPIT【課題】周波数特性に応じた報知や、サーチコイルを用いた周波数特性の計測を行うことができるMRI装置を提供する。【解決手段】磁気共鳴イメージング装置1は、磁場を検知して検知信号を出力するコイルと、検知信号を周波数スイープして、検知信号の周波数特性を計測する計測手段と、周波数特性に基づいて検知信号にノイズが含まれることを報知する、又は周波数特性に基づいてコイルのチューニングが適正であるか否かを報知する報知手段と、を有する。【選択図】図2