Magnetic resonance imaging apparatus and magnetic resonance imaging method
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United States of America Patent
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Jul 7, 2009
Grant Date -
Oct 4, 2007
app pub date -
Mar 27, 2007
filing date -
Apr 4, 2006
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Abstract
A magnetic resonance imaging apparatus includes a data acquisition unit, a frequency offset acquisition unit, a frequency modulation unit and a phase shift correction unit. The data acquisition unit acquires pieces of echo data due to nuclear magnetic resonance after applying an excitation pulse. The frequency offset acquisition unit acquires a frequency offset. The frequency modulation unit frequency-modulates the excitation pulse according to the frequency offset. The phase shift correction unit cancels a phase shift occurring on each of the pieces of the echo data due to a frequency modulation according to the frequency offset during a readout of the pieces of the echo data.
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