Still further, the spatial distribution of the magnetic field due to the eddy current caused by ON and {HEAD ~ OFF} of {TAIL ~ the gradient magnetic field} is measured in a plurality of times in an equal time interval along with lapse of time 
of
Still further , the spatial distribution of the magnetic field due to the eddy current caused by ON and { HEAD ~ OFF } of { TAIL ~ the gradient magnetic field } is measured in a plurality of times in an equal time interval along with lapse of time
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH